AR 2000W1000D Operating And Service Manual
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AR 2000W1000D Operating And Service Manual

Rf broadband amplifier
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Operating and
Service Manual
2000W1000D
Model
10039853
Part Number
Serial Number
160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 866-859-0582 • www.arworld.us

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Summary of Contents for AR 2000W1000D

  • Page 1 Operating and Service Manual 2000W1000D Model 10039853 Part Number Serial Number 160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 866-859-0582 • www.arworld.us...
  • Page 3 REGULATION (EC) 1907/2006 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 18 December 2006 concerning the Registration, Evaluation, Authorization and Restriction of Substances of Very High Concern Chemicals (SVHC) Supporting documentation is held by AR RF/Microwave Instrumentation’s Quality department in Pennsylvania, United States. Place of issue:...
  • Page 5 Instructions for European EMC Conformity WARNING It is the responsibility of the user of this equipment to provide electromagnetic shielding, filtering and isolation which is necessary for EMC compliance to Directive 2014/30/EU. The equipment must therefore be operated in a shielded area which provides a sufficient level of attenuation to meet the radiated emissions and immunity specifications.
  • Page 7 Avoid sudden care. stops and uneven surfaces. BEFORE APPLYING POWER Indicates a terminal intended for connection to an Your AR equipment may have more than one power supply external conductor protection against cable. Use only approved power cable(s). If you have not been...
  • Page 8 EQUIPMENT CONTAINING LASERS to unsafe product handling should be AR Field Probes (FL/PL Series) and Field Analyzers a fundamental consideration of every (FA Series) are Class 1 laser products containing user. An authoritative guideline for embedded Class 4 lasers.

  • Page 9: Table Of Contents

    Protection Circuits ....................2 Installation ......................2 1.5.1 Location ........................2 1.5.2 Power ........................3 1.5.3 Model 2000W1000D Drive Amplifier/500 Watt Amplifier Interconnection ..4 OPERATING INSTRUCTIONS ................ 9 General ........................9 Control and Indicator Functions................9 2.2.1 Keylock Switch ...................... 9 2.2.2 POWER Switch ....................
  • Page 10 Model 2000W1000D 3.3.1 A4 Two-Way Splitter ................... 33 3.3.2 A5, A6 Four-Way Splitters .................. 33 3.3.3 A7-A14 Final Amplifiers (Schematic 10045396) ..........33 3.3.4 Power Supplies, 500 Watt Power Amplifiers (PS1 and PS2) ......34 A6 and A7 Sixteen-Way Combiner..............34 A8 Two-Way Combiner/Dual Directional Coupler ..........

  • Page 11: General Information

    (EMI) susceptibility testing, as well as usage as a driver for frequency multipliers and high-power amplifiers. The Model 2000W1000D can be operated locally by using the unit’s front panel controls, or remotely by using the unit’s IEEE-488, RS-232 interface, USB, or Ethernet interface.

  • Page 12: Protection Circuits

    Select an operating location that will permit air to circulate freely around the amplifier’s cabinet. The Model 2000W1000D utilizes air cooling and should be located where the normal flow of air into or exiting from the unit will not be restricted, diverted, or re-circulated through the unit itself; in particular, the flow of warm air exiting the rear of the amplifier should not be impeded.

  • Page 13: Power

    1.5.2 Power The Model 2000W1000D is designed for a four-wire, three-phase power input: the four wires are for the three phases and a safety ground (GND). The primary input voltage range is 200-240 VAC phase-to-phase. A 50-amp common trip circuit breaker is used to supply power to the Model 2000W1000D.

  • Page 14: Model 2000W1000D Drive Amplifier/500 Watt Amplifier Interconnection

    Model 2000W1000D 1.5.3 Model 2000W1000D Drive Amplifier/500 Watt Amplifier Interconnection RF outputs from the controller/driver amplifier to the 500 watt amplifier inputs are located at the rear of • the unit. • RF outputs from the 500 watt amplifiers to the RF inputs of the two 16-way power combiners located in the controller cabinet.
  • Page 15 Forward Power and Re- flected Power plus amplifier status. Special The 2000W1000D has the ability to be up- features include a gain control, internal auto- graded at a later date to the 4000W1000B, matic level control (ALC) with front panel con- 4000 watt amplifier.
  • Page 16 Specifications Page 2 RATED OUTPUT POWER: Typical 2200 watts; 2000 NOISE FIGURE: 8 dB maximum, 6 dB typical 2000W1000D watts minimum PRIMARY POWER (specify voltage): 200-240 VAC 2000 Watts CW  INPUT FOR RATED OUTPUT: 1.0 milliwatt maximum Delta-connected (4-wire), 380-415 VAC Wye- 80MHz–1000MHz...
  • Page 17 2000W1000D 2000 Watts CW  80MHz–1000MHz  To order AR Products, call 215.723.8181. For an applications engineer call:800.933.8181. Direct to Service call: 215.723.0275 or email: service@arworld.us For Faxing Orders:866.859.0582 (Orders Only Please) info@arworld.us Approved for public release by AR RF/Microwave Instrumentation...

  • Page 19: Operating Instructions

    RF stages, when the chassis temperature reaches approximately 70°C. Normal operation can be resumed after the chassis temperature drops below 70° C. CONTROL AND INDICATOR FUNCTIONS The Model 2000W1000D’s front panel is shown in Figure 2-1; the unit’s rear panel features are detailed in Figure 2-2. 2.2.1...

  • Page 20: Power Switch

    Model 2000W1000D 2.2.2 POWER Switch The momentary POWER switch turns the main power to the amplifier on and off. The status of the green light-emitting diode (LED) in the switch indicates whether the amplifier’s power is on or off. The main power supply fans are active when power is on.

  • Page 21: Main Power

    Model 2000W1000D 2.2.3 Main Power The Main Power circuit breaker and the RF output (N female) are located on the rear panel of the amplifier. DRIVER/CONTROLLER AMPLIFIER 500 WATT POWER AMPLIFIER OUTPUT 500 WATT POWER AMPLIFIER MAIN POWER CIRCUIT BREAKER Figure 2-2.

  • Page 22: Digital Control Panel (Dcp) Operations

    Model 2000W1000D DIGITAL CONTROL PANEL (DCP) OPERATIONS The operations described in this section assume that the user is performing these operations from the amplifier’s front panel with the Keylock Switch in the LOCAL position. Remote control using a personal computer is available when the Keylock Switch is set to REMOTE. Refer to Section 2.5.5 for information on remote operation.

  • Page 23: Touch Panel Display Menu Map

    Model 2000W1000D Figure 2-3. Touch Panel Display Menu Map Values shown on screens are for illustration only. Rev B...

  • Page 24: Rf Gain Control

    2.4.3 IEEE-488, USB, and RS-232 Interfaces The Model 2000W1000D’s remote interfaces allow remote control, via a computer, of all amplifier functions (except for the Keylock Switch position) that can be controlled from the front panel. When the amplifier is in the Remote mode (as determined by the position of the Keylock Switch), a special Remote display is shown (see Figure 2-3).

  • Page 25: Safety Interlock Connector

    Model 2000W1000D 2.4.4 Safety Interlock Connector The safety interlock connector interface provides for external safety switch interlocks that will prevent the amplifier from entering or being placed in the Operate mode unless an external connection is made. A connection between Pins 1 and 8 must be completed to operate the amplifier.

  • Page 26: Rs-232 Communication

    Model 2000W1000D 2.6.1.1 Setting the IEEE-488 (GPIB) Address The IEEE-488 device address can be set to any number between 1 and 30. This selection is made by navigating to the GPIB address selection screen. To get there from the Main Menu, touch the User menu button followed by the I/O menu button and finally the GPIB menu button.

  • Page 27: Fiber-Optic Communication

    This port can be used in conjunction with either an AR model IF7000 RS-232 to Fiber-Optic Interface (1200 to 9600 baud only) or an AR model IF7001 USB to Fiber-Optic Interface (19200 baud only). Note that these devices use SMA connectors so a fiber-optic cable is needed with ST connectors on one end and SMA connectors on the other.

  • Page 28: Usb Communication

    Lantronix Ethernet devices. This list of found devices will include any connected AR Ethernet devices. By selecting one of the connected devices from the list, its IP address and subnet mask can be changed along with a number of other settings.

  • Page 29: Remote Commands

    Model 2000W1000D 2.6.6 Remote Commands • If a command or query is unrecognized it is echoed back out the port it came in on. All commands and queries are terminated with a Line Feed character. • A Line Feed character is indicated by <LF> in subsequent command and query definitions.
  • Page 30 Model 2000W1000D 2.6.6.1 Power On/Off This command controls the power on/off state of the amplifier. Syntax: POWER:x Parameters: State(x): OFF = power off ON = power on Response Format: None (No query for this command) Example: To turn the power on, send the following command: POWER:ON<LF>...
  • Page 31 Model 2000W1000D 2.6.6.4 Mode Select This command sets the ALC mode of the amplifier. MODE:x Syntax: Parameters: Mode(x): MANUAL = Set to Manual mode PULSE = Set to Pulse mode* ALC<space>INT = Set to ALC Internal mode ALC<space>EXT = Set to ALC External mode*...
  • Page 32 Model 2000W1000D Response Format: None (No query for this command) Example: To set the RF Gain to minimum, send the following command: LEVEL:GAIN0<LF> To set the RF Gain to 50%, send the following command: LEVEL:GAIN50<LF> To set the ALC Response Time to max, send the following command: LEVEL:RESP7<LF>...
  • Page 33 Model 2000W1000D 2.6.6.8 Machine State This query reads the RF gain, detector gain, ALC threshold, and ALC response time of the amplifier. Syntax: MSB? Parameters: None Query only (always requires a ? character) Response Format: RF<space>GAIN=x, DT<space>GAIN=x, THRES=x, RESP=y<LF> Value(x):...
  • Page 34 Model 2000W1000D 2.6.6.9 State Query to find the state of the amplifier. Syntax: STATE? Parameters: None Response Format: STATE=<space>xyza<LF> Where: x, y, z, and a are each an ASCII character representing a hexadecimal character. They can be 0 to 9 or A to F.
  • Page 35 Model 2000W1000D Example: To read the state, send the following query. STATE?<LF> Response: STATE=<space>8301<LF> (Remote Mode, Power On, RF OFF, and Manual Mode) 2.6.6.10 Forward Power Query to get the forward power. FPOW? Syntax: Parameters: None Response Format: FPOW=x<LF> Where: x = 0 to 99999 Values are corrected and linearized.
  • Page 36 Model 2000W1000D 2.6.6.12 RF Gain Query to get the RF gain. Syntax: RFG? Parameters: None Response Format: RFG=<space>x<LF> Where: x = 0000 to 0100 Example: To find out the RF gain of the amplifier, send the following query: RFG?<LF> Response: RFG=<space>0075<LF>...
  • Page 37 Model 2000W1000D The fault table for all RF blocks is the same, however, they are offset by a value of 40 decimal (0028 hexadecimal). The following table is for RF block number 1 (B1). RF block number 2 (B2) for example, has the same faults, but starts at 83 decimal (0053 hexadecimal).
  • Page 38 Model 2000W1000D 2.6.6.15 Operating Hours (Power On) Query to get the Power On operating hours. Syntax: OHP? Parameters: None Response Format: OHP=x<LF> Where: x = 0 to 100000 Units are Hours. Values can be up to six digits in length. Leading zeros are read as spaces.
  • Page 39 Model 2000W1000D Example 1: To set the default RF Gain to 75%, send the following command: DEFAULT:LEVEL:GAIN75<LF> Example 2: To query the default RF Gain setting, send the following command: DEFAULT:LEVEL:GAIN?<LF> DEFAULT:LEVEL:GAIN75<LF> Response: Example 3: To set the default mode to manual, send the following command: DEFAULT:MODE:MANUAL<LF>...
  • Page 40 Model 2000W1000D Rev B...

  • Page 41: Theory Of Operation

    3. THEORY OF OPERATION INTRODUCTION The Model 2000W1000D RF amplifier consists of a driver amplifier assembly, four 500 watt power amplifier assemblies, two 16-way combiners, a 2-way combiner and a directional coupler. The driver amplifier amplifies low level RF signals and provides RF signals that are matched in amplitude and phase to the 500 watt amplifiers.

  • Page 42: A3-A6 Driver Amplifiers (Schematic 10045396)

    Model 2000W1000D 3.2.3 A3-A6 Driver Amplifiers (Schematic 10045396) The A3-A6 Driver amplifiers consist of RF matching circuits, RF transistors, DC current control circuits, DC switching circuits and fault detection circuits. The RF input is fed to a 4:1 transformer composed of T1, T2, and T3. The push-pull output signal of the 4:1 transformer is connected to the gates of push-pull connected Q1.

  • Page 43: Rf Amplifier Operation (500 Watt Power Amplifier Schematic, 10045681)

    Model 2000W1000D The –12 V at 5 amps power supply is fed to the A1 Pre-Amplifier, A4-A7 Driver Modules to provide gate voltage for these modules. PS2 supplies +23 VDC at 44 amps. PS2 is a switching power supply that automatically sets the AC input circuits to the correct connections for the line voltage 120-240 VAC, 50-60 Hz.

  • Page 44: Power Supplies, 500 Watt Power Amplifiers (Ps1 And Ps2)

    Model 2000W1000D 3.3.4 Power Supplies, 500 Watt Power Amplifiers (PS1 and PS2) Power supply PS2 supplies a +5VDC housekeeping supply for the control system assemblies A1 Switch Breakout Assembly and A3 Fiber Optic interface for the system control. PS2 also supplies +24 VDC at 10 amps, +12 VDC at 13 amps, -12 VDC at 5 amps. PS2 is a switching supply that automatically sets the AC input circuits to the correct connections for the line voltage 90-264 VAC input ranges 47-440 Hz.

  • Page 45: Control System

    Model 2000W1000D CONTROL SYSTEM 3.6.1 A12 Display Assembly, 4.3”, LCD (Schematics 10038588, 10030013) The A12 Display Assembly board consists of two 16-bit microcontrollers and about nine other ICs that monitor and indicate the status of the amplifier. Power is supplied using only a single 5-volt power supply.
  • Page 46 Model 2000W1000D Rev B...

  • Page 47: Troubleshooting And Repair

    Section 4.3, Fault Signal Interpretation and Diagnosis. Shipping instructions are as follows. To return an item, contact AR Customer Service for an RMA number and shipping instructions. Returns from outside the United States are not permitted without prior authorization.

  • Page 48: Power Supply Faults

    Model 2000W1000D 4.3.2 Power Supply Faults The 500 Watt Power Amplifiers and Driver Control Unit have self-contained power supplies. In the event of a power supply failure, the front panel display will identify which units power supply is at fault.

  • Page 49: Fault Troubleshooting Guide

    Model 2000W1000D 4.3.6 Fault Troubleshooting Guide Driver Fault Type of Fault Possible Reasons 485 driver Communication Disconnected or faulty W23 or W22 CAT5 cable. Therm driver (A3-A6) Thermal Driver fan blocked or clogged. Amp Fault (A3-A6) Under Current, Driver FET is damaged and drawing no current, Gate voltage is Over-Current being pulled down.

  • Page 50: Diagnosing And Replacing Amplifier Modules

    Model 2000W1000D DIAGNOSING AND REPLACING AMPLIFIER MODULES 4.4.1 Locating Modules See Figures 4-1 and 4-2. Figure 4-1. 500W Amp Module Locations (Front View) Figure 4-2. Driver Amp Module Locations (SideView) Rev B...

  • Page 51: Appendix A. Installing Software Upgrades

    Appendix A. Installing Software Upgrades The 2000W1000D has the capability to upgrade software. The first step that should be taken is to power- down the unit from the front panel. 1. Go to the AR Website and download the AR Firmware Upgrade Utility along with the model specific upgrade file for the device being upgraded.
  • Page 53 These modules are not field- repairable and should never be opened outside of AR’s Microelectronics Lab. The modules in these product lines have a security label on two sides of the modules between the housing and lid/cover. If the security label is removed and or cut, the warranty of the module will be voided.

This manual is also suitable for:

4000w1000b

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