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Nautel ATU-HP Technical Instruction Manual

Automatic antenna tuning unit
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Enlarged version
ATU-HP
Automatic
Antenna Tuning
Unit
Technical Instruction Manual
Issue 2.0 .........................06 October 2011
Nautel Limited
10089 Peggy's Cove Road,
Hackett's Cove, NS, Canada B3Z 3J4
T.+1.902.823.2233 F.+1.902.823.3183
info@nautel.com
U.S. customers please contact:
Nautel Inc.
201 Target Industrial Circle, Bangor ME 04401
T.+1.207.947.8200 F.+1.207.947.3693
info@nautel.com
e-mail: support@nautel.com
www.nautel.com
© Copyright 2011 NAUTEL. All rights reserved.

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  • Page 1 Nautel Limited 10089 Peggy's Cove Road, Hackett's Cove, NS, Canada B3Z 3J4 T.+1.902.823.2233 F.+1.902.823.3183 info@nautel.com U.S. customers please contact: Nautel Inc. 201 Target Industrial Circle, Bangor ME 04401 T.+1.207.947.8200 F.+1.207.947.3693 info@nautel.com e-mail: support@nautel.com www.nautel.com © Copyright 2011 NAUTEL. All rights reserved.
  • Page 3 Nautel for repair. The repairs will be made without charge to the Customer. Where warranty replacements or repair are provided under items 2 or 3, Nautel will pay that part of the shipping costs incurred in returning the part/assembly to the Customer.
  • Page 4 MODULE EXCHANGE SERVICE In order to provide Nautel customers with a fast and efficient service in the event of a problem, Nautel operates a factory rebuilt, module exchange service which takes full advantage of the high degree of module redundancy in Nautel equipment.
  • Page 5 CAUTION shall immediately precede the text to which it applies. NOTE A NOTE denotes important information pertaining to an operating procedure, condition, statement, etc., which is essential to highlight. A NOTE may precede or follow the text to which it applies. ATU-HP Technical Instruction Manual Oct.06.11...
  • Page 6 These devices are specifically identified in the equipment parts list(s). DO NOT cut, crush or grind devices because the resulting dust may be HAZARDOUS IF INHALED. Unserviceable devices should be disposed of as harmful waste. ATU-HP Technical Instruction Manual Oct.06.11...

  • Page 7: Table Of Contents

    2.2.9.1 Solar Shield 2.2.9.2 Frequency Agile Capacitor Kit 2.2.9.3 Series Resistor UNPACKING INSTALLATION 2-10 SYSTEM TURN-ON/TUNING PROCEDURE 2-10 2.5.1 Adjusting the Spark Gap 2-26 INCREASING ANTENNA BANDWIDTH 2-28 OPERATING INSTRUCTIONS INTRODUCTION EMERGENCY SHUTDOWN CONTROLS AND INDICATORS ATU-HP Technical Instruction Manual Oct.06.11...
  • Page 8 ATU Control PWB 6.2.1.1 Power Supplies 6.2.1.2 Servo Probe 6.2.1.3 Forward/Reflected Power Probe 6.2.1.4 Input Voltage and Current Probes 6.2.1.5 Microcontroller 6.2.1.6 Antenna Current Probe 6.2.2 Matching Transformer/Current Probe 6.2.3 Resistive Matcher/Capacitor PWB 6.2.4 Tuning Coils ATU-HP Technical Instruction Manual Oct.06.11...
  • Page 9 7.5 COMMON ABBREVIATIONS/ACRONYMS WIRING INFORMATION 8.1 INTRODUCTION 8.2 WIRING LISTS NOT PROVIDED 8.3 PRINTED WIRING PATTERNS 8.4 WIRE COLORS 8.5 WIRING LISTS PROVIDED ELECTRICAL SCHEMATICS 9.1 INTRODUCTION 9.2 COMPONENT VALUES 9.3 GRAPHIC SYMBOLS 9.4 LOGIC SYMBOLS ATU-HP Technical Instruction Manual Oct.06.11...
  • Page 10 Loading Coil (NDB High Power) Parallel Connection (299-25 μH) 2-6f 2-25 T2 Taps vs Series Resistance 2-31 ATU Control/Monitor PWB Controls and Indicators Manufacturer’s Index Wiring Lists Provided Wiring List – ATU-HP – Automatic Antenna Tuning Unit Electrical Schematics 10-1 Mechanical Drawings 10-1 ATU-HP Technical Instruction Manual Oct.06.11...
  • Page 11 Partial View of Series Resistance Transformer T2 Taps 2-31 2-16 ATU-HP – Dimensional Information and Mounting Options 2-32 Part of ATU Control/Monitor PWB A1 (NAPC144A/01) Block Diagram of ATU-HP Automatic Antenna Tuning Unit SD-1 Electrical Schematic – ATU-HP Automatic Antenna Tuning Unit (NAT40A) SD-1 SD-2 Electrical Schematic –...
  • Page 13 Release Control Record Issue Date Reason 06 October 2011 Release 2 of product (NAT40A) ATU-HP Technical Instruction Manual Oct.06.11...

  • Page 15: General Information

    1.5 MECHANICAL DESCRIPTION • Operates in the LF/MF band (190 kHz The ATU-HP (see Figure 1-1) is housed in to 550 kHz). an all-weather cabinet suitable for outdoor installation close to the antenna. Electrical Options include a sunshield for use in...

  • Page 16: Technical Summary

    ATU-HP. dirt and moisture do not enter the cabinet. Figure 1-1 – ATU-HP- Automatic Antenna Tuning Unit ATU-HP Technical Instruction Manual Page 1-2 Issue 2.0...

  • Page 17: Recommended Site Test Equipment And Special Tools

    1/4 inch and 1/2 inch sizes Spark gap adjustment and RF feed cable connection. Hex-Head Allen Key M3 size Tuning motor maintenance or replacement. Handheld Calculator Various Calculating resistance ratios ATU-HP Technical Instruction Manual Page 1-3 Section 1 General Information Issue 2.0...

  • Page 19: Preparation For Use And Installation

    Section 2 PREPARATION FOR USE AND INSTALLATION 2.1 INTRODUCTION NOTE This section contains pre-installation and Nautel ships the ATU-HP with brackets installation information required in installed for rear mounting. unpacking, installing and preparing the 2.2.2 Environmental ATU-HP antenna tuning unit for use.

  • Page 20: Typical Site Layout

    Figure 2-1 – Typical Site Layout ATU-HP Technical Instruction Manual Page 2-2 Issue 2.0 Section 2 Preparation for Use and Installation...

  • Page 21: Examples Of Typical Installations (Sheet 1 Of 2)

    T Antenna Figure 2-2 – Examples of Typical Installations (Sheet 1 of 2) ATU-HP Technical Instruction Manual Page 2-3 Section 2 Preparation for Use and Installation Issue 2.0...

  • Page 22: Examples Of Typical Installations (Sheet 2 Of 2)

    Vertical Tower Antenna Figure 2-2 – Examples of Typical Installations (Sheet 2 of 2) ATU-HP Technical Instruction Manual Page 2-4 Issue 2.0 Section 2 Preparation for Use and Installation...

  • Page 23: Customer Required Interfacing

    ATU-HP feed-through/insulator. Refer to Figure 2-2 cabinet to TB2 of ATU control/monitor (a) or (b) for a typical downlead connection.

  • Page 24: Pre-Startup User Determined Information

    AC INPUT CONFIGURATION, CUSTOMER CONNECTION Figure 2-3 – ATU-HP Automatic Tuning Unit – Customer Interface Connections The ground lug should also connect to 2.2.6.1 Carrier Frequency ground rod(s) that provide a low Determine/record the carrier frequency impedance path to ground for lightning assigned to the associated transmitter.

  • Page 25: Parts Supplied By Nautel

    2.3 UNPACKING The test equipment and special tools required to install and maintain the The ATU-HP is packed in a wooden crate, ATU-HP are listed in Table 1-1. fully assembled. A packing list, on the outside of the crate, provides a detailed 2.2.9 Available Options...

  • Page 26: A Frequency Dependent Capacitors For Dgps Applications

    Table 2-1a: Frequency Dependent Capacitors for DGPS Applications (from Nautel Part # 195-9094 capacitor kit) Capacitors (pF) and qty Capacitors (pF) and qty FREQ FREQ (kHz) (kHz) 1750 1750 Table 2-1b: Frequency Dependent Capacitors for Low Power NDB Applications (from Nautel Part # 195-9094-02 capacitor kit)

  • Page 27: C Frequency Dependent Capacitors For High Power Ndb Applications

    Table 2-1c: Frequency Dependent Capacitors for High Power NDB Applications (from Nautel Part # 195-9094-01 capacitor kit) Capacitors (pF) and qty Capacitors (pF) and qty FREQ FREQ (kHz) (kHz) 1750 1750 Table 2-1d: Capacitor Ordering Information Capacitor Value Nautel Part #...

  • Page 28: Installation

    2.4 INSTALLATION (f) Connect the antenna RF feed cable to Secure the ATU-HP in its final position and the feed-through insulator (J2). Ensure connect user interface cabling as follows: the requirements of paragraph 2.2.5.1 are met. Ensure the centre conductor...

  • Page 29: Tuning Coil Inductance Values (Μh)

    RF burns, are pages to determine the stage number and present when an RF input of any level other applicable information. is applied to the ATU-HP. CAUTION (a) Determine the approximate loading coil inductance by entering the data Wires connecting to tuning coil taps must recorded for operating frequency (see.

  • Page 30: Atu Control/Monitor Pwb - Pushbutton Switches And Leds

    Initial Setting of L Tuning Taps (LOCAL control, TUNE SETUP on) Paragraph 2.5 continued terminal blocks (T1-TB1 and T1-TB2) as shown in Figure 2-4. Disconnect (d) Gain access to the ATU-HP’s control wiring from capacitor bank as circuitry, by removing the transparent necessary.

  • Page 31: Flow Diagram – Loading Coil Tuning

    Paragraph 2.5 continued (h) Using the flow diagram illustrated in Figure 2-6, tune the ATU-HP loading (g) With the ATU-HP connected to both coils. Disregard the status of the R the transmitter and the antenna TUNING LEDs on the ATU control/ system, turn on the transmitter (use monitor PWB during this procedure.

  • Page 32: Post-Inductive Tuning Rf Wiring Connections

    View reflected power on the ATU control/monitor PWB’s meter, noting switch A1S10 must be set to REFLD PWR and switch A1S11 must be set to RF POWER. ATU-HP Technical Instruction Manual Page 2-14 Issue 2.0 Section 1 Preparation for Use and Installation...

  • Page 33: Flow Diagram – Determining Antenna Resistance

    MAX LIMIT INCREASE NORMAL DECREASE MIN LIMIT INHIBIT Note reflected power level on meter ANTENNA RESISTANCE DETERMINED Figure 2-8 - Flow Diagram – Determining Antenna Resistance ATU-HP Technical Instruction Manual Page 2-15 Section 2 Preparation for Use and Installation Issue 2.0...

  • Page 34: T1 Matching Transformer 50 Ohm Connections

    ATU-HP. (n) Using Table 2-4, select the nearest Lethal voltages are present when any operating frequency and determine level of RF is applied to the ATU-HP. the ‘R match’ value. The termination points for the T1 INPUT (green) and...

  • Page 35: Determining 'R Match'

    ATU-HP. Lethal voltages are present when any WARNING level of RF is applied to the ATU-HP. Ensure the transmitter is off when making adjustments on the ATU-HP. Lethal voltages are present when any level of RF is applied to the ATU-HP.

  • Page 36: Variometer Positioning Within Loading Coil L1A

    Table 2-6 (a-f). Turn transmitter on, allow the ATU-HP to the transmitter back on, allow the tune and then recheck the variable ATU-HP to tune and then recheck the matching transformer’s position. variometer’s position. If the variometer Repeat if necessary to achieve is further away from perpendicular, optimum position.

  • Page 37: Variable Matching Transformer

    2.6. radiated signal. The antenna bandwidth may be increased by (bb) Adjust the ATU-HP’s spark gap (see increasing the antenna system paragraph 2.5.1). resistance using Nautel’s Series Resistor Kit (optional), as detailed in paragraph 2.6.

  • Page 38: A Loading Coil (Dgps) Series Connection (500-136 Μh)

    Table 2-6a: Loading Coil (DGPS) Series Connection (500-136 μH) Inductance (μH) input output input output Figure 2-12a: Loading Coil (DGPS) Series Connection (500-136 μH) (215 μH shown) ATU-HP Technical Instruction Manual Page 2-20 Issue 2.0 Section 2 Preparation for Use and Installation...

  • Page 39: B Loading Coil (Dgps) Parallel Connection (135-20 Μh)

    Table 2-6b: Loading Coil (DGPS) Parallel Connection (135-20 μH Inductance (μH) input output input output Figure 2-12b: Loading Coil (DGPS) Parallel Connection (135-20 μH) (90 μH shown) ATU-HP Technical Instruction Manual Page 2-21 Section 2 Preparation for Use and Installation Issue 2.0...

  • Page 40: C Loading Coil (Ndb Low Power) Series Connection (2700-640 Μh)

    2500 2350 2250 2100 2000 1850 1750 1625 1375 1160 1050 Figure 2-12c: Loading Coil (NDB Low Power) Series Connection (2700-640 μH) (1375 μH shown) ATU-HP Technical Instruction Manual Page 2-22 Issue 2.0 Section 2 Preparation for Use and Installation...

  • Page 41: D Loading Coil (Ndb Low Power) Parallel Connection (639-50 Μh)

    Table 2-6d: Loading Coil (NDB Low Power) Parallel Connection (639-50 μH) Inductance (μH) input output input output Figure 2-12d: Loading Coil (NDB Low Power) Parallel Connection (639-50 μH) (200 μH shown) ATU-HP Technical Instruction Manual Page 2-23 Section 2 Preparation for Use and Installation Issue 2.0...

  • Page 42: E Loading Coil (Ndb High Power) Series Connection (1200-300 Μh)

    Table 2-6e: Loading Coil (NDB High Power) Series Connection (1200-300 μH) Inductance (μH) input output input output 1150 1050 Figure 2-12e: Loading Coil (NDB High Power) Series Connection (1200-300 μH) (580 μH shown) ATU-HP Technical Instruction Manual Page 2-24 Issue 2.0 Section 2 Preparation for Use and Installation...

  • Page 43: F Loading Coil (Ndb High Power) Parallel Connection (299-25 Μh)

    Table 2-6f: Loading Coil (NDB High Power) Parallel Connection (299-25 μH) Inductance (μH) input output input output Figure 2-12f: Loading Coil (NDB High Power) Parallel Connection (299-25 μH) (110 μH shown) ATU-HP Technical Instruction Manual Page 2-25 Section 2 Preparation for Use and Installation Issue 2.0...

  • Page 44: Adjusting The Spark Gap

    ATU-HP. Lethal voltages are present when any (b) Turn the transmitter off. level of RF is applied to the ATU-HP. (c) Calculate the ATU-HP reactance (X (e) Enter the graph shown in Figure 2-13 using the following formula:...
  • Page 45 This Page Intentionally Left Blank ATU-HP Technical Instruction Manual Page 2-27 Section 2 Preparation for Use and Installation Issue 2.0...
  • Page 46 Figure 2-14b (for NDB The series resistor kit is factory installed if applications), determine the additional purchased with the ATU-HP. The kit is series resistance by selecting the T2 user-installed, using a separate tap settings that provide acceptable Information Sheet document, if purchased reflected power.

  • Page 47: A Flow Diagram – Adding Antenna Series Resistance (Dgps)

    MAX LIMIT ratio as per Table ATU-HP LED on? 2-5. Turn TUNED transmitter on. Figure 2-14a - Flow Diagram – Adding Antenna Series Resistance (DGPS Applications) ATU-HP Technical Instruction Manual Page 2-29 Section 2 Preparation for Use and Installation Issue 2.0...

  • Page 48: B Flow Diagram – Adding Antenna Series Resistance (Ndb)

    MAX LIMIT ratio as per Table TUNED LED on? 2-5. Turn transmitter on. Figure 2-14b - Flow Diagram – Adding Antenna Series Resistance (NDB Applications) ATU-HP Technical Instruction Manual Page 2-30 Issue 2.0 Section 2 Preparation for Use and Installation...

  • Page 49: T2 Taps Vs Series Resistance

    A1TB1-7/8 (A) load resistor load resistor Figure 2-15 Partial View of Series Resistance Transformer T2 Taps (shown connected to provide an additional 0.8 Ω series resistance) ATU-HP Technical Instruction Manual Page 2-31 Section 2 Preparation for Use and Installation Issue 2.0...

  • Page 51: Atu-Hp – Dimensional Information And Mounting Options

    Figure 2-16 ATU-HP – Dimensional Information and Mounting Options ATU-HP Technical Instruction Manual Page 2-32 Section 2 Preparation for Use and Installation Issue 2.0...

  • Page 52: Operating Instructions

    3.3 CONTROLS AND INDICATORS This section provides the information required All of the controls and indicators for the to place the ATU-HP in operation. The automatic antenna tuning unit are located on ATU-HP will normally be unattended during the ATU control/monitor PWB (A1). Figure use.

  • Page 53: Part Of Atu Control/Monitor Pwb A1 (Napc144A/01)

    +12V-B S1 – S9 A - C DS5 – DS10 DS11 DS1 – DS3 DS12 - DS17 DS18 Fig. 3-1 - Part of ATU Control/Monitor PWB A1 (NAPC144A/01) ATU-HP Technical Instruction Manual Page 3-2 Issue 2.0 Section 3 Operating Instructions...

  • Page 54: Atu Control/Monitor Pwb Controls And Indicators

    REF DES DESCRIPTION MARKING A1DS1 LOCAL/REMOTE When turned on (amber), indicates the ATU-HP is in local mode. A1DS2 XMTR OFF When turned on (amber), indicates the transmitter‘s remote power trim level has been set to zero volts, via a serial communication link, using the XMTR ON/OFF switch (A1S8).
  • Page 55 A1DS16 R TUNING – MIN When turned on (red), indicates that the ATU-HP reached a LIMIT minimum resistive matching limit while attempting to tune by decreasing the input resistance. The motor will be inhibited from causing further resistive match decrease.
  • Page 56 Antenna current, on one of two scales (0 – 30 A or 0 – 10 A), when switch A1S11 is set to RF CURRENT. The modulation 0 – 100% scale is not used in the ATU-HP. A1R51 Factory adjusted to provide an antenna current sample,...
  • Page 57 INHIBIT LED will turn on. A1S8 XMTR ON/OFF When pressed (with ATU-HP in local mode only), with a serial communication link connected between the ATU-HP and a Nautel transmitter, sets the transmitter’s remote power trim level to zero volts. Associated LED (A1DS2) will also turn on.

  • Page 58: Testing And Adjustment

    ON. troubleshooting procedures. WARNING Extremely high, potentially lethal, RF voltages are present in the ATU-HP when an RF input is being applied. Use extreme caution during maintenance or troubleshooting inside the ATU-HP cabinet. Where possible, turn off the associated transmitter.

  • Page 59: Manual Check Of Tuning Drive

    ATU. WARNING Extremely high, potentially lethal, RF voltages are present in the ATU-HP when an RF input is being applied. Use extreme caution during maintenance or troubleshooting inside the ATU-HP cabinet. Where possible, turn off the associated transmitter.

  • Page 60: Initial Check Of Rf Tuning And Automatic Operation

    NORMAL indication. WARNING Extremely high, potentially lethal, RF voltages are present in the ATU-HP when an RF input is being applied. Use extreme caution during maintenance or troubleshooting inside the ATU-HP cabinet. Where possible, turn off the associated transmitter.

  • Page 61: Final Tuning Of Rf Circuits

    Table 3-1 for details on jumper settings WARNING Extremely high, potentially lethal, RF voltages are present in the ATU-HP when an RF input is being applied. Use extreme caution during maintenance or troubleshooting inside the ATU-HP cabinet. Where possible, turn off the associated transmitter.

  • Page 62: Antenna Current Meter Calibration

    (m) Return the transmitter and ATU-HP to service. WARNING Extremely high, potentially lethal, RF voltages are present in the ATU-HP when an RF input is being applied. Use extreme caution during maintenance or troubleshooting inside the ATU-HP cabinet. Where possible, turn off the associated transmitter.

  • Page 64: General

    ATU-HP. WARNING Extremely high, potentially lethal, RF voltages are present in the ATU-HP when an RF input is being applied. Use extreme caution during maintenance or troubleshooting inside the ATU-HP cabinet. Where possible, turn off the associated transmitter.

  • Page 65: Replacing A Failed Fan

    WARNING Extremely high, potentially lethal, RF voltages are present in the ATU-HP when an RF input is being applied. Use extreme caution during maintenance or troubleshooting inside the ATU-HP cabinet. Where possible, turn off the associated transmitter.

  • Page 66: Checking/Replacing The Resistive Tuning Motor

    WARNING Extremely high, potentially lethal, RF voltages are present in the ATU-HP when an RF input is being applied. Use extreme caution during maintenance or troubleshooting inside the ATU-HP cabinet. Where possible, turn off the associated transmitter.
  • Page 67 WARNING Extremely high, potentially lethal, RF voltages are present in the ATU-HP when an RF input is being applied. Use extreme caution during maintenance or troubleshooting inside the ATU-HP cabinet. Where possible, turn off the associated transmitter.

  • Page 68: Theory Of Operation

    Section 6 THEORY OF OPERATION 6.1 INTRODUCTION 6.2.1.1 Power Supplies The theory of operation for the ATU-HP is The ac power is rectified and filtered. This presented in this section. Paragraph 6.2 unregulated supply is used to power the fans,...
  • Page 69 6.2.3 Resistive Matcher/Capacitor 6.2.1.4 Input Voltage and Current Probes Samples of the input voltage and current, which are used to determine the ATU-HP’s The resistive matcher provides a fine input resistance, are applied to the adjustment for the antenna resistance microcontroller.
  • Page 70 AC INPUT REGULATORS TEMPERATURE FAN ENABLE (TEMPERATURE DEPENDENT) COOLING FANS SENSOR B1950006 VB Figure 6-1 – Block Diagram of ATU-HP Automatic Antenna Tuning Unit ATU-HP Technical Instruction Manual Page 6-3 (Page 6-4 Blank) Section 6 Theory of Operation Issue 2.0...

  • Page 71: Power Supplies

    +12 V dc for the motor drive the 10-turn secondaries of transformer T1, circuitry and motor supply. the net dc output will be positive from one diode bridge and negative from the other. ATU-HP Technical Instruction Manual Page 6-5 Section 6 Theory of Operation Issue 2.0...

  • Page 72: Current/Voltage Samples

    L, NORMAL L or DECREASE L) for the loading coil accordingly. 6.3.5 Antenna Current Probe The RF current flowing into the ATU-HP’s 6.3.6.1.2 The Voltage_Sample and tuning coils also flows through the primary Current_ Sample inputs are provided by the winding of transformer T1.

  • Page 73: Digital Inputs

    6.3.6.2.4 INHIBIT R TUNING and INHIBIT L TUNING switches disable the ATU-HP 6.3.6.1.4 The Temp Sensor input, from auto tuning. Once the switch is representative of the ATU-HP’s...

  • Page 74: Digital Outputs

    FAN FAIL (1 descriptions in paragraphs 6.3.6.3.6 through or 2) alarm will be generated and the fan 6.3.6.3.9. (B2 or B3) will be turned off by the microcontroller. ATU-HP Technical Instruction Manual Page 6-8 Issue 2.0 Section 6 Theory of Operation...

  • Page 75: Serial Communications (Rs485)

    A2A1U2’s are opto-isolators used to provide isolation operation if the resistive matcher is at between the ATU-HP and the associated minimum. For a maximum limit, an open transmitter. U14 translates the TTL outputs circuit will be present on J1-13 of the from U12 and U13 to balanced RS485.

  • Page 77: Parts Information

    • 7.3.3 Nautel # Column assemblies that are assigned an alpha- prefixed Nautel nomenclature (e.g., This column contains the Nautel part number NAPC144A/01) assigned to each part. This number is Nautel's drawing number for Nautel •...

  • Page 78: Oem Code Column

    (OEM) identifier. The code etc.) shall be displayed. Please contact was extracted from Cataloging Handbook Nautel if a part cannot be obtained (see H4/H8 - Commercial and Government Entity also ON-LINE PART QUOTES in this (Cage) Code. Manufacturers that were not manual’s Warranty section).

  • Page 79: Manufacturer's Index

    See 22421 45496 Digital Systems MORGAN Morgan Electro Ceramics 5Y407 Phoenix Contact Incorporated POLYVOLT Custom Products Corp. 50434 Agilent Technologies Incorporated VENKEL (3EQW4) Venkel Limited 56289 Sprague Electric Company ATU-HP Technical Instruction Manual Page 7-3 Section 7 Parts Information Issue 2.0...
  • Page 81 195-9002-01 ATU Cableform REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE Conn, IDC, D-Sub, P, HDE-20, 25-Pos JT31 745496-3 09482 Conn, IDC, D-Sub, S, HDE-20, 25-Pos JT30 745495-3 09482 Conn, IDC, D-Sub, S, HDE-20, 25-Pos JT30 745495-3 09482 Conn, IDC, D-Sub, P, HDE-20, 25-Pos...
  • Page 82 195-9089 Temperature Sensor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE Capacitor, Tantalum, Dipped, 10uF, 35V CCP36 T351G106K035AT(Ro 96095 HS) KEMET Capacitor, Ceramic, 0.1uF 10%100V CCG07 CKR06BX104KRV 56289 Capacitor, Ceramic, 0.1uF 10%100V CCG07 CKR06BX104KRV 56289 Conn, Socket, D-Sub, 25 pin, PWB Mt...
  • Page 83 NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE Cap,SMT,Ceramic,0.47uF,10%,25V,X7R,0805 CCFS09 C0805C474K3RAC 31433 Cap,SMT,Ceramic,0.47uF,10%,25V,X7R,0805 CCFS09 C0805C474K3RAC 31433 Cap,SMT,Ceramic,0.47uF,10%,25V,X7R,0805 CCFS09 C0805C474K3RAC 31433 Cap,SMT,Ceramic,0.47uF,10%,25V,X7R,0805 CCFS09 C0805C474K3RAC 31433 Installed at Next Higher Assy INSTALLED AT NEXT 37338 HIGHER ASSY Cap,SMT,Ceramic,0.1uF,10%,50V,X7R,0805...
  • Page 84 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE Cap,SMT,Tantalum,1uF,10%,35V,1411 CTFS02 T494B105K035AS 31433 Cap,SMT,Ceramic,0.1uF,10%,50V,X7R,0805 CCFS07 C0805C104K5RAC 31433 Cap,SMT,Ceramic,0.01uF,10%,50V,X7R,0603 CCFS04 C0603C103K5RAC 31433 Cap,SMT,Ceramic,18pF,2%,50V,C0G,0603 CCFS23 C0603C180G5GAC 31433 Cap,SMT,Ceramic,18pF,2%,50V,C0G,0603 CCFS23 C0603C180G5GAC 31433 Cap,SMT,Ceramic,0.01uF,10%,50V,X7R,0603 CCFS04 C0603C103K5RAC 31433 Cap,SMT,Ceramic,0.01uF,10%,50V,X7R,0603...
  • Page 85 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE Cap,SMT,Ceramic,0.1uF,10%,50V,X7R,0805 CCFS07 C0805C104K5RAC 31433 Cap,SMT,Tantalum,10uF,10%,35V,2917 CTFS03 T494D106K035AS 31433 Installed at Next Higher Assy INSTALLED AT NEXT 37338 HIGHER ASSY Installed at Next Higher Assy...
  • Page 86 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE CR33 Installed at Next Higher Assy INSTALLED AT NEXT 37338 HIGHER ASSY CR34 Diode,SMT,Ultrafast,200V,1A,SMB QM47 MURS120T3 04713 CR35 Diode,SMT,Ultrafast,200V,1A,SMB QM47 MURS120T3 04713 CR36...
  • Page 87 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE DS07 Diode, SMT, LED, Green,(560nm), 0603 QDLS01 597-5312- 83330 402F(STATIC)(RoHS) DS08 Diode, SMT, LED, Amber,(592nm), 0603 QDLS07 598-8040- 83330 107F(STATIC)(RoHS) DS09 Diode, SMT, LED, Red, (660nm),0603...
  • Page 88 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE Inductor, SMT, Choke, 600ohms,2A, 0805 LCFS01 ILHB0805RK601V 56845 Inductor, SMT, Choke, 600ohms,2A, 0805 LCFS01 ILHB0805RK601V 56845 Installed at Next Higher Assy INSTALLED AT NEXT...
  • Page 89 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE R014 Resistor,SMT,MF,10.0Kohms,1%,1/10W,0603 RFFS50 RK73H1JLTD1002F 59124 R015 Resistor,SMT,MF,1820ohms,1%,1/10W,0603 RFFS41 RK73H1JLTD1821F 59124 R016 Resistor,SMT,MF,1820ohms,1%,1/10W,0603 RFFS41 RK73H1JLTD1821F 59124 R017 Resistor,SMT,MF,10.0Kohms,1%,1/10W,0603 RFFS50 RK73H1JLTD1002F 59124 R018 Resistor,SMT,MF,1820ohms,1%,1/10W,0603 RFFS41...
  • Page 90 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE R051 Resistor, Variable, Film, 100K Ohms, 1/2W RW01 3339P-1-104 80294 R052 Installed at Next Higher Assy INSTALLED AT NEXT 37338 HIGHER ASSY R053...
  • Page 91 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE R093 Resistor,SMT,MF,475ohms,1%,1/10W,0603 RFFS34 RK73H1JLTD4750F 59124 R094 Resistor,SMT,MF,475ohms,1%,1/10W,0603 RFFS34 RK73H1JLTD4750F 59124 R095 Resistor,SMT,MF,475ohms,1%,1/10W,0603 RFFS34 RK73H1JLTD4750F 59124 R096 Resistor,SMT,MF,475ohms,1%,1/10W,0603 RFFS34 RK73H1JLTD4750F 59124 R097 Resistor,SMT,MF,475ohms,1%,1/10W,0603 RFFS34...
  • Page 92 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE R132 Resistor,SMT,MF,2210ohms,1%,1/10W,0603 RFFS42 RK73H1JLTD2211F 59124 R133 Resistor,SMT,MF,1000ohms,1%,1/10W,0603 RFFS38 RK73H1JLTD1001F 59124 R134 Resistor,SMT,MF,10.0Kohms,1%,1/10W,0603 RFFS50 RK73H1JLTD1002F 59124 R135 Resistor,SMT,MF,10.0Kohms,1%,1/10W,0603 RFFS50 RK73H1JLTD1002F 59124 R136 Resistor,SMT,MF,10.0Kohms,1%,1/10W,0603 RFFS50...
  • Page 93 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE Switch, Rocker, SPDT, ON-ON SD58 M2T12TXW13-DA 63426 Installed at Next Higher Assy INSTALLED AT NEXT 37338 HIGHER ASSY Installed at Next Higher Assy...
  • Page 94 Continued from previous page NAPC144A/00 ATU Control/Monitor PWB Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE XF02 Fuseholder, PWB Mount, Type 3AG FA31 4245 91833 XM01 Not Used NOT USED 37338 XT03 Not Used NOT USED 37338 XT04 Not Used...
  • Page 95 NAPC144A/01 ATU Control/Monitor PWB AssyATU-HP REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE Capacitor, Mica, Dipped, 22pF+/-0.5 500V CB17 CD15ED220D03 14655 Capacitor, Elect,Snap Mt,4700uF +/-20% 100V CJ20 82DA472M100ME2D 62643 Not Used NOT USED 37338 Not Used NOT USED 37338 CR33...
  • Page 96 NAT40A ATU-HP Cabinet Assy REFDES DESCRIPTION NAUTEL # VENDOR # OEM CODE ATU Control/Monitor PWB AssyATU-HP NAPC144A/01 DWA 10-057 37338 ATU Variable Matching Transformer Assy (Standard 195-9021-02 195-9021-02 37338 band) Resistor Assy 37338 Limit Switch PWB Assy 195-9045 195-9045 37338...

  • Page 97: Wiring Information

    Table 8-1 Wiring Lists Provided information adequately depicted/ Table # Description tabulated on their assembly detail drawings. Refer to the associated Wiring List – ATU-HP assembly detail drawing for detailed Automatic Antenna Tuning Unit wiring information of these assemblies. 8.3 PRINTED WIRING PATTERNS Printed wiring pattern information is beyond the scope of this manual.
  • Page 98 Table 8-2: Wiring List – ATU-HP – Automatic Antenna Tuning Unit SOURCE DESTINATION WIRE # COLOR SIZE REMARKS P1-05 P2-13 White P1-06 P2-01 White P1-13 P2-10 White P1-14 P2-12 Black P1-15 P2-04 White P1-16 P2-02 Black P1-07 P3-06 White P1-08...

  • Page 99: Reference Designations

    9.6 UNIQUE SYMBOLOGY Block diagrams, simplified electrical schematics, and/or logic diagrams may be Nautel utilizes unique symbology on electrical included. Refer to Table 9-1 for an itemized schematics to describe two-state (logic) listing. inputs/outputs that differ from those inputs/ outputs having only one distinct state or 9.2 COMPONENT VALUES...

  • Page 100: Structure Of Schematics

    Table 9-1: Electrical Schematics Figure # Description SD-1 Electrical Schematic – ATU-HP – Automatic Antenna Tuning Unit (NAT40A) SD-2 Electrical Schematic – ATU Control/Monitor PWB (NAPC144A/01) (Sheet 1 of 2) SD-3 Electrical Schematic – ATU Control/Monitor PWB (NAPC144A/01) (Sheet 2 of 2)
  • Page 101 VARIABLE MATCHING C6 * TMP36G TRANSFORMER ASSY C11* t° 1000 C12* C13 * C14 * S1950200 V1 Dimensions = mm (inches) Electrical Schematic – ATU-HP Automatic Antenna Tuning Unit (NAT40A) Issue 2.0 Not to Scale Figure SD-1 Sheet 1 of 1...
  • Page 102 INC R R108 10.0K 10.0K 10.0K 10.0K 10.0K RESET # RESET - ADM803MAKS 1000 0.01 DEC R DE/RE PD.4 RESET 1000 INC L PD.1 MC74HC165AD SHEET 2 PD.0 VOUT AREF LT1790BIS6-4.096 1000 0.01 GND1 GND2 MISO MISO DEC L MOSI MOSI 1000 XTAL1...

  • Page 103: (Sheet 2

    50 OHM RF IN 50 OHM RF OUT 22pF SERVO CURRENT PROBE PROBE 1000 1000 SERVO CONTROL VOLTAGE CR18 CR17 1000 MURS120T3 MURS120T3 PROBE INC_L CR30 1000 BAT41 CR10 R159 100K MURS120T3 MURS120T3 22.1K 1000 CR32 BAT41 CR29 CR31 BAT41 BAT41 SHEET 1 15.0K...

  • Page 104: Mechanical Drawings

    Table 10-1. Table 10-1 Mechanical Drawings Figure # Description MD-1 Assembly Detail – ATU-HP Automatic Antenna Tuning Unit (NAT40A) MD-2 Assembly Detail – ATU Control/Monitor PWB (NAPC144A/01) ATU-HP Technical Instruction Manual Page 10-1 Section 10 Mechanical Drawings...
  • Page 106 (PART OF A2A1) (PART OF A4) Dimensions = mm (inches) Assembly Detail – ATU-HP Automatic Antenna Tuning Unit (NAT40A) Issue 2.0 Not to Scale Figure MD-1 Sheet 1 of 1...
  • Page 107 CR31 CR29 R159 LINE LINE NEUT SPLIT TUNE HIGH CR17 REFLD SINGLE LINE NEUT CR10 SETUP CR18 NAUTEL ASSY 195-9030 SCALE CR11 CR19 ATU CONTROL/MONITOR R100 R101 CR12 R160 DS11 DS18 NAPC SER. CR20 + 5V + 12V-A + 12V-B...

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