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Summary of Contents for Acom 2020S
- Page 1 ACOM 2020S 1.8-54 MHz Linear Power Amplifier with Touch-Screen Remote Control User's Manual Installation, Operation and Maintenance OUTSTANDING HF POWER PRODUCTS June 2022...
- Page 2 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier This manual is for electronic distribution mainly. If you have it on paper and you no longer need it, please, recycle it! The latest versions of our User's Manuals are available at www.acom-bg.com...
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Page 3: About Documentation
ACOM products and services. Further, this User's Manual is provided AS IS and ACOM shall not be liable for possible errors contained herein. - Page 4 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Title of Documentation ACOM 2020S 1.8-54 MHz Linear Power Amplifier with Touch-Screen Remote Control User's Manual Installation, Operation and Maintenance Type of Documentation User's Manual Purpose of Documentation This manual explains Installation, Operation and Maintenance of the ACOM 2020S 1.8-54 MHz linear power amplifier.
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Page 5: Table Of Contents
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Contents ABOUT DOCUMENTATION ..........................3 GENERAL INFORMATION ........................... 9 1.1. Introduction and Description ......................9 1.2. Product History and Documentation Validity ................10 1.3. Owner Assistance .......................... 10 1.4. Equipment Supplied ........................11 1.5. - Page 6 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier 5.6. Menu NETWORK SETTINGS ......................51 5.7. Menu AMP UPDATE ........................53 5.8. HELP information .......................... 53 REMOTE CONTROL ..........................54 6.1. Remote Control via Ethernet Interfaces ..................54 6.2.
- Page 7 Figure 2-2 | Amplifier - Front view ........................17 Figure 2-3 | Amplifier rear panel - Connections ....................18 Figure 2-4 | ACOM 2020S - RCU R05 connection cable .................. 21 Figure 2-5 | Power supply cable ........................22 Figure 2-6 | RCU model R05 rear panel......................22 Figure 3-1 | Amplifier and RCU Front panels - Controls and Readouts ............
- Page 8 Table 1-1 | Production versions history ......................10 Table 1-2 | Package contents .......................... 11 Table 2-1 | ACOM 2020S - RCU R05 connection cable wiring ................. 21 Table 2-2 | Signals and pin out of the CAT/AUX connector ................25 Table 2-3 | Signals and pin out of the RCU's SERIAL connector ..............
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Page 9: General Information
Congratulations on purchasing one of the finest solid-state 1.8-54 MHz linear amplifiers in the world today. ACOM is pleased that you have chosen one of our products, and we will endeavor to provide you with the information and support you need to enjoy your purchase for many years. -
Page 10: Product History And Documentation Validity
If assistance is needed, you should contact your local dealer first. If necessary, your dealer will contact ACOM for additional guidance. If you still have an issue you need to discuss with one of ACOM's specialists, the contact information is as follows: ACOM Ltd. -
Page 11: Equipment Supplied
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Equipment Supplied 1.4. The ACOM 2020S amplifier (including Remote Control Unit model R05) is shipped in a cardboard carton. The ACOM 2020S is shipped as package, consisting of: Table 1-2 | Package contents PACKAGE CONTENTS Pcs. -
Page 12: Features
1.5. • Easy to operate The overall operation of ACOM 2020S is extremely simplified: the touch screen menus are intuitive and easy to follow, and no special skill is required from the operator when changing frequency bands. • User-friendly automatic control When connected to a transceiver with CAT capability, the amplifier will track the operating frequency and will change bands accordingly. -
Page 13: Safety Considerations, Explicit Definitions
Safety Considerations, Explicit Definitions 1.6. The ACOM 2020S linear power amplifier is a Safety Class I unit regarding protection against electric shock. The third grounding lead of its mains cord (which is colored yellow with two green stripes) and the ground... - Page 14 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Information notes described below apply to this User's Manual: These notes highlight operating procedures or practices that may improve equipment reliability and/or personnel performance, or to emphasize a concept.
- Page 15 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier PRECAUTIONS: DANGER Both the mains voltage and the high DC voltage up to 500 V inside the ACOM 2020S amplifier are LETHAL! For your safety, pull the amplifier power plug out of the mains wall outlet and WAIT AT LEAST 3 minutes EACH TIME BEFORE you remove the cover of the amplifier.
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Page 16: Installation
The consumed current is purely sinusoidal, Power Factor Corrected (PFC) and inrush limited. This makes the operation from unstable mains and generators easy and trouble free. Thanks to the built-in SMPS, the ACOM 2020S has no mains line voltage selector to take care of! Amplifier Location Selection 2.3. -
Page 17: Figure 2-1 | Rcu Model R05 - Front Panel With Touch Screen
Figure 2-2 | Amplifier - Front view For ergonomic operation you can place the RCU on your desk, near to your transceiver. Please, have in mind that the length of a connecting cable between ACOM 2020S and RCU R05 is 1.5 m. NOTICE Do not leave accidental paper, cloth or other lightweight pieces around and under the amplifier. -
Page 18: Connections
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Connections 2.4. Please, see Figure 2-3 | Amplifier rear panel - Connections Figure 2-6 | RCU model R05 rear panel Connection to your station must be accomplished in the order described below, before you apply mains voltage to the amplifier. - Page 19 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier GROUND stud First, connect the wing-nut grounding stud of the amplifier (on the rear panel, marked GROUND) to the station's grounding system (see , Pos. (a)). Figure 2-3 | Amplifier rear panel - Connections...
- Page 20 , Pos. (e)) to the antenna switch or tuner, or to antenna for the respective frequency band. - Connections RCU connector Connect the ACOM 2020S - RCU R05 connection cable (part of delivery - see , Pos. 3) 1.4 Equipment Supplied from the connector RCU (see , Pos.
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Page 21: Figure 2-4 | Acom 2020S - Rcu R05 Connection Cable
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Figure 2-4 | ACOM 2020S - RCU R05 connection cable Figure 2-4 | ACOM 2020S - RCU R05 connection cable Table 2-1 | ACOM 2020S - RCU R05 connection cable wiring... -
Page 22: Connections On Rcu Rear Panel
AMPLIFIER connector Please, see , Pos. (i). Figure 2-6 | RCU model R05 rear panel Connect the end of the ACOM 2020S to RCU connecting cable (part of delivery - see 1.4 Equipment Supplied as described in Section 2.4.1.f) RCU connector... - Page 23 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier RESET button Please, see , Pos. (j). Figure 2-6 | RCU model R05 rear panel In the unlikely event of RCU malfunction/freeze you can restart it by pressing RESET button for at least 3 seconds.
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Page 24: Connecting To External Devices (Transceiver, Computer, Etc.)
Figure 5-7 | Menu CAT SETTINGS Most of the modern transceivers can be connected by CAT to the ACOM 2020S. This will allow the amplifier to track the transceiver frequency without any transmission and change the bands automatically when in OPERATE mode. -
Page 25: Table 2-2 | Signals And Pin Out Of The Cat/Aux Connector
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Table 2-2 | Signals and pin out of the CAT/AUX connector CAT/AUX Pin Nr. Pin name Description Specification interface Receive Data TTL input Receive Data RS-232 input Transmit Data... -
Page 26: Table 2-4 | Signals And Pin Out Of The Amplifier's Rs-232 Connector
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Amplifier's RS-232 interface connector Please, see , Pos. 2 and Figure 2-3 | Amplifier rear panel - Connections Table 2-4 | Signals and pin out of the amplifier's RS-232 connector This connector may remain unused until you decide to control the amplifier remotely (see Section 6.2 Remote Control via RS-232 interface... -
Page 27: Table 2-6 | Signals And Pin Out Of The Rcu's Usb Type A Connector
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier RCU's Wi-Fi device interface Please, see , Pos. 6. Figure 2-6 | RCU model R05 rear panel This interface may remain unused until you decide to control the amplifier remotely via your local Wi-Fi network or via Internet. -
Page 28: First Power-On, Control System, And Initial Check
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier 3. FIRST POWER-ON, CONTROL SYSTEM, AND INITIAL CHECK NOTICE Do not turn the amplifier on for at least 2 hours after unpacking it in the room where it will be used. Pay particular attention when you move it from a very cold into a warm place - condensation is likely and this could result in damage to the high voltage circuits. -
Page 29: Rcu Remote Control Unit
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier RCU Remote Control Unit 3.2. POWER button Please, see , Pos. 8. Figure 2-6 | RCU model R05 rear panel When the amplifier's rear panel mains rocker switch is turned on, push and hold the POWER button located on the RCU rear panel for 1-2 seconds to start the amplifier up. -
Page 30: Initial Turning On
The basic screen of the RCU is most suitable for monitoring the operation of the amplifier in real time. It also controls frequently used functions of the ACOM 2020S. This includes touch change of OPERATE / STANDBY mode and bands, selection of monitored parameters, as well as access to user settings and service functions. -
Page 31: Figure 3-3 | Basic Screen - Operating Values
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier The following information areas are to be distinguished on the basic screen: Information area for the frequency band Please, see , Pos. (a). Figure 3-2 | Basic screen The edges of the currently selected BAND are displayed. If the amplifier doesn't receive any operating frequency data from CAT or via RS-232, it will switch to the last used band. - Page 32 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier AUTO OPERATE indicator Please, see , Pos. (c). Figure 3-2 | Basic screen This indicator represents the state of the AUTO OPERATE setting in the USER PREFERENCES menu (see Section ).
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Page 33: Control System - Buttons And Menus
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Any status or alarm messages (either WARNING or SOFT FAULT) appear on yellow background and are flashing frequently in order to attract the operator's attention (see Figure 4-1 | Appearance of an alarm ). -
Page 34: Test Transmission
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Test Transmission 3.6. To make sure that you have installed the amplifier correctly, make a test transmission as described below. Repeat these tests for each band and antenna to be used, as well as after installing a new or repaired antenna, antenna switch, tuner, and / or the connecting cables. - Page 35 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Check-up in STANDBY mode Turn the amplifier on, as described in Sections through 3.1 Low Energy STANDBY Mode of the Power Supply (see 3.4 Basic Screen Figure 3-2 | Basic screen Make sure that the amplifier is in STANDBY mode.
- Page 36 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Setting of drive level and typical operation After successfully passing of the above tests push PTT or CW key for several seconds, watching the forward and reflected power. Increase the drive power until the forward power bar graph and digital readout reach 1500 W.
- Page 37 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier To reduce the RF impedance of the grounding connections sheet metal stripes instead of • flexible braids are preferred; Thread ferrite beads or snap-in ferrites with medium permeability (800-4000) over the power •...
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Page 38: Operation
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier 4. OPERATION Change of Modes RX/TX and OPERATE/STANDBY; AUTO OPERATE User Settings 4.1. STANDBY mode In STANDBY mode, as well as when the amplifier is not powered, receiving and transmitting (no more than 200 W) with the transceiver is done via RF bypass between RF INPUT and RF OUTPUT of the amplifier. -
Page 39: Band Change, Standard And Expanded Frequency Coverage
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier AUTO OPERATE user settings AUTO OPERATE user setting can be turned on/off by the operator in the USER PREFERENCES menu (see Section ) or by a remote control 5.1 Menu USER PREFERENCES Figure 5-2 | Menu USER PREFERENCES command. -
Page 40: Automatic Protection System
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Automatic Protection System 4.3. The ACOM 2020S control unit (see Section ) keeps track of 7.4 Using the Fault Codes (signatures) for Diagnostics most amplifier analogue and logic signals in all modes. - Page 41 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Second protection level - SOFT FAULT The second protection level is a SOFT FAULT - when a value exceeded the safe level, but does not put the amplifier in a danger of a failure.
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Page 42: Menus - Settings And Service Functions
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier 5. MENUS - SETTINGS AND SERVICE FUNCTIONS By pushing the MENU button (see , Pos. 3), the user invokes the MENU SELECTION Figure 3-2 | Basic screen screen (see the figure below). Each menu can be selected by a finger touch. Close the MENU SELECTION screen by touching the BACK button. -
Page 43: Menu User Preferences
5.4 Menu ). The call sign (or another text) will not replace ACOM 2020S logo on the startup screen. FAULTS LOG To enter or edit the call sign text, the text area needs to be touched. This will open the virtual keyboard -... -
Page 44: Figure 5-3 | Virtual Keyboard
INTERFACE SKIN The interface of ACOM 2020S is skinnable - it supports various visual skins (styles). The INTERFACE SKIN control can be used to suit the interface appearance your taste. Please, note that all screenshots in this... -
Page 45: Figure 5-4 | Classic Skin Interface - Time Proven And Ergonomic
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Figure 5-4 | Classic skin interface - time proven and ergonomic Figure 5-4 | Classic skin interface - time proven and ergonomic Figure 5-5 | Dark skin interface - sleek and elegant... -
Page 46: Menu Amp Service
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Menu AMP SERVICE 5.2. The menu AMP SERVICE (see ) is accessible from the MENU SELECTION screen Figure 5-6 | Menu AMP SERVICE (see Figure 5-1 | MENU SELECTION... -
Page 47: Menu Cat Settings
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Menu CAT SETTINGS 5.3. The menu CAT SETTINGS (see ) is accessible from the MENU SELECTION Figure 5-7 | Menu CAT SETTINGS screen (see Figure 5-1 | MENU SELECTION After a CAT cable is connected between the transceiver and amplifier (see 2.5 Connecting to External Devices... -
Page 48: Table 5-1 | Transceiver Interface Type And Command Set Selection
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier If the CAT cable is plugged into the transceiver's serial port (RS-232 or TTL), select the INTERFACE and COMMAND SET according to . The baud rate Table 5-1 | Transceiver interface type and command set selection has to be set to the same value as the transceiver's. -
Page 49: Menu Faults Log
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Menu FAULTS LOG 5.4. The menu FAULTS LOG (see ) is accessible from the MENU SELECTION screen Figure 5-8 | Menu FAULTS LOG (see Figure 5-1 | MENU SELECTION This function dumps on the screen the information stored in the amplifier's memory about the last 28 HARD FAULT protection trips. -
Page 50: Menu Restore Default Settings
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Menu RESTORE DEFAULT SETTINGS 5.5. The menu RESTORE DEFAULT SETTINGS (see ) is accessible from Figure 5-9 | Menu RESTORE DEFAULT SETTINGS the MENU SELECTION screen (see Figure 5-1 | MENU SELECTION... -
Page 51: Menu Network Settings
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Menu NETWORK SETTINGS 5.6. The menu NETWORK SETTINGS (see ) is accessible from the MENU Figure 5-10 | Menu NETWORK SETTINGS SELECTION screen (see Figure 5-1 | MENU SELECTION This menu is used to set the parameters for LAN (Local Area Network) network connection. -
Page 52: Figure 5-11 | Virtual Keypad
IP ADDRESS • This parameter is used to set the IP address for ACOM 2020S in your LAN network. This parameter is disabled when DHCP is selected in parameter IP ADDRESS ASSIGNMENT. SUBNET MASK •... -
Page 53: Menu Amp Update
IP address format. For example, it will not allow the value of an octet to be above 255 and will not allow a fifth octet. For details on NETWORK SETTINGS and how to connect ACOM 2020S to your LAN network, please, contact a local IT professional or your Internet provider. -
Page 54: Remote Control
, Pos. 1) can be used to access its web-interface in an any web browser, running on a in web browser on a PC device (PC, smart phone, or tablet) connected to the same LAN network. The IP address of ACOM 2020S can be seen and changed in the NETWORK SETTINGS menu (see 5.6 Menu NETWORK SETTINGS... -
Page 55: Remote Control Via Rs-232 Interface
2.5.c) Amplifier's RS-232 interface Table 2-4 | Signals and pin out of the amplifier's RS-232 connector For ACOM 2020S RS-232 interface protocol, please, contact your dealer (see Section 1.3 Owner Assistance June 2022 S e c t i o n REMOTE CONTROL | Page 55 of 76... -
Page 56: Maintenance
7. MAINTENANCE DANGER Both the mains voltage and the high DC voltage up to 500 V inside the ACOM 2020S amplifier are LETHAL! For your safety, pull the amplifier power plug out of the mains wall outlet and WAIT AT LEAST 3 minutes EACH TIME BEFORE you remove the cover of the amplifier. -
Page 57: Fuse Replacement
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Touch screen cleaning: • If the touch screen becomes dusty or dirty, wipe it clean with a soft, dry cloth; • When you wipe the touch screen, be careful not to push it too hard or scratch it with your finger nails. -
Page 58: Using The Fault Codes (Signatures) For Diagnostics
FAULTS LOG The data can be downloaded from ACOM 2020S memory through the RS-232 port and stored in a computer file even if the amplifier cannot be turned on after a serious fault - feeding external power to the Control unit only in either of the following ways will do: 8 to 15 V DC voltage applied to the "DEBUG mode"... -
Page 59: Firmware
FAULTS LOG before you undertake any action. When ACOM issues a new firmware version, the user can upload it in the amplifier after he checks the compatibility. When compatibility is confirmed a return to an earlier version is also possible. -
Page 60: Firmware Update Of Amplifier Acom 2020S (Unit Only)
Use the USB memory stick connected to RCU USB port; Automatic firmware update through Internet. To use the ACOM Terminal S, you have to install the software on a PC equipped with RS-232 port. The ACOM Terminal S communicates with amplifier via RS-232 interface. For cable connection, please see... -
Page 61: Firmware Update Of Remote Control Unit Model R05
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier 7.5.4. Firmware update of Remote Control Unit model R05 For uploading a firmware to RCU you have two possibilities: Use the USB memory stick connected to RCU USB port;... -
Page 62: Specifications
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier 8. SPECIFICATIONS Parameters 8.1. Frequency Coverage* 1.800 - 2.000 MHz (160 m band) 3.500 - 4.000 MHz (80 m band) 5.020 - 5.455 MHz (60 m band)** 7.000 - 7.300 MHz (40 m band) 10.100 - 10.150 MHz... - Page 63 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier RF power gain 14 dB 1 dB (typically 60 W drive for 1500 W output); • ± Mains Power Supply Voltage 200-240 VAC, ±10%, 50-60 Hz, Single phase; •...
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Page 64: Functions
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Functions 8.2. Frequency control directly by CAT from the transceiver Remotely controlled via Internet through integrated Web interface and built-in Ethernet RJ45 port and Wi-Fi adapter, or via RS-232 interface... - Page 65 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier RF Exposure Information This unit (ACOM 2020S amplifier) complies with the FCC RF Exposure limits for an uncontrolled environment. To comply with FCC RF exposure limit requirements, antennas must be operated at a minimum distance of 818.24 cm or 26.85 feet between the radiator and any person's...
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Page 66: Table 8-1 | Rf Exposure Distance Chart
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Table 8-1 | RF exposure distance chart 100 W 750 W 1500 W Antenna Band Frequency Controlled Uncontrolled Controlled Uncontrolled Controlled Uncontrolled gain distance in distance in distance in... -
Page 67: Table 8-2 | Different Antenna Gain Chart
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Table 8-2 | Different antenna gain chart Multiband Dipole 3 el. 6 el. 12 m Vertical Antenna vertical (R8) 10 m high Tribander Yagi with some radials Frequency, MHz... -
Page 68: Storage And Shipment
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Storage and Shipment 8.4. 8.4.1. Storage Environment The amplifier may be kept packed in a dry, ventilated and unheated location (with no chemically active substances such as acids or alkalis) within the following environment ranges:... -
Page 69: Returning To The Service Provider
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier 8.4.4. Returning to the Service Provider This document section contains the general information on packing and shipping an amplifier for diagnostics and repair. NOTICE Should it be necessary to ship the amplifier, use the original packing as described below. - Page 70 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Basic shipping insurance is provided by the customer when sending in an amplifier - you can verify the amount covered by the shipping company by looking on their website. If you are shipping the amplifier, full/upgraded coverage is available as a suggested option.
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Page 71: Information On Disposing And Recycling Of Old Electrical And Electronic Equipment
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier Information on Disposing and Recycling of Old Electrical and Electronic Equipment 8.5. The information in this section is applicable for countries that have adopted separate waste collection systems. ACOM products cannot be disposed as household waste. -
Page 72: Notes
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier NOTES ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. Page 72 of 76 | S e c t i o n NOTES... - Page 73 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. June 2022 S e c t i o n NOTES | Page 73 of 76...
- Page 74 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………..…………………………………………………………………………………………………………………….. Page 74 of 76 | S e c t i o n NOTES...
- Page 75 User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier This manual is for electronic distribution mainly. If you have it on paper and you no longer need it, please, recycle it! The latest versions of our User's Manuals are available at www.acom-bg.com...
- Page 76 о о support@acom-bg.com ACOM and the ACOM logo are registered trademarks of ACOM Ltd. in many countries, www.acom-bg.com including the EU and United States. I The used images are illustrative only. Subject to change without notice. I Printed in Bulgaria.
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