Introduction Com-Power model ACS-181 series broadband amplifiers operate from 150 kHz to 80 MHz. This amplifier can be used for EMI immunity testing that requires generating electric fields. This small and lightweight amplifier utilizes class AB linear power devices that provide high gain, and wide dynamic range.
Product Specifications Frequency Range: … 150 kHz - 80 MHz Power Output: Rated Output … 100 watts into 2:1 VSWR Power Protection Limit … 150 watts Limit@ 1dB compression … 120 watts Gain … 50 dB ± 5 dB Input for rated output …...
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Line Power: Single-phase Type: Universal … 100-240 Volts ac, 47-63 Hz, 500 VA Power Display and Interfaces: USB Remote Interface Front panel display: … Temperature, Current, Input / Output Power, VSWR and Gain Remote Interlock (optional) … 2-pin Din Mechanical: Cooling Requirement: …...
• Avoid any rough handling that could damage the ACS-181 unit. • Use electrostatic discharge precautions while handling and making connections to the ACS-181 unit. • Do not place wires into the connectors of the ACS-181. Make proper connection with mate connectors and adapters. Page 6 of 16 Rev 1.0...
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• Do not block or obstruct the cooling fan vents located on the front and rear panels of the unit. Safety Symbol Guide The following symbols may appear on the unit: Earth (Ground) Terminal Protective Conductor Terminal ATTENTION Refer to Manual DANGER High Voltage Page 7 of 16...
ACS-181 Components Front Panel: 1. ON/OFF Switch 2. Indicates Power is O s ON when Green Light is lit 3. LCD Display 4. Fault Indicator 5. USB Interface- for re r remote sensing and external data controls. RF Input- makes the...
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Rear Panel: 10. Mains power input to unit with inbuilt fuse socket (100 VAC - 230 VAC) 11. AC Supply power ON switch 12. Pulse input 13. Serial number of unit. 14. Buffer for protecting unit. Page 9 of 16 Rev 1.0 www.valuetronics.com...
Operating Procedures 1. Before turning on the unit, make sure the RF Input and Output connectors on the front panel are terminated with 50 Ohms system. 2. Turn on power from rear panel. Following message will display on LCD. Page 10 of 16 Rev 1.0 www.valuetronics.com...
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3. Turn on Switch from the front panel as shown in picture. 4. Unit runs in Self test mode. LCD screen will display the bias settings, temperature, SWR, Gain, Pin & Pout of the module and driver after finishing self test mode.
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Please note that initially, there is no RF input given to the Power Amplifier so it will not show any value for Pin, Pout, SWR and Gain. 5. When RF input is applied, the front panel LCD updates values of Pin, Pout, SWR, Gain, Current and temperature status of PA and Driver.
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6. Connect USB cable between Unit and Computer to operate unit in Remote operation. For more details, check commands list. COMMAND DESCRIPTION SR.#. Displays the serial number of the unit Displays the current and temperature of the unit. Power amplifier and power supply shut down. Detecting USB Port.
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7. Before switching off the power from the front panel, make sure the RF output reduced to a safe level (-50dBm) or completely removed input from RF Input. 8. In the event of any fault occurring, the unit is automatically shut down and turns off RF DC power.
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11. To check fault conditions, please refer to Diagnostics chart as given below: FAULT MESSAGE LIGHT ON LCD FAULT SR.#. POSSIBLE CAUSE SCREEN PA CURRENT * Exceeds Power Limit of RANGE the unit EXCEEDED Indicates that the current * Mismatch on 50 Ohm range of the module is 10.0 System Current...
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