Tokyo High Power 430MHz band all-mode linear amplifier HL-130Usx working item

  

This is an all-mode linear amplifier dedicated to the 430 MHz band by Tokyo High Power and is a working HL-130Usx. Basic Performance Receiving amplifier gain: +21dB to -21dB at 433.00MHz Transmitting amplifier: 47W at LOW, 120W at HIGH (at 10W input setting)?

Measurements of input/output power and current consumption obtained are attached. (Photo 9) Other forced standby operations, etc. When the input setting is 35W, output LOW/HIGH switching is disabled (original). The maintenance parts are Power cable, red and black, 1 m long, with terminals (3.5SQx2x2), 1 set N-type connector (input/output) 2 pcs.

Wiring for standby: 1 set Sterilization and cleaning of all surfaces including outer housing and connectors 1 set Re-plating of back panel and bottom plate: 1 set Rubber feet and screws replaced 1 set Wiring for standby Forced standby wiring is possible using RCA pin jacks. The function of the core wire of the RCA pin plugs can be changed with the slide switch on the main unit.

If the DC/SHORT switch is set to short, the core wires of the RCA pin plugs are wired so that they are shorted when transmitting. If the DC/SHORT switch is set to short, the RCA pin plugs are wired so that they are shorted when transmitting, and linear transmission is also possible. 2-core shielded wiring Orange: RCA plug core wire White: RCA plug shield Shield: GND (shield) Linear transmit/receive switching must basically operate in forced standby. Although the main unit is equipped with a circuit that detects the carrier and sets it to transmit, However, the operation of the coaxial relay is delayed, so it must be switched by a hot switch. This operation causes carbon buildup and sparks in the coaxial relay contacts. This operation may cause carbon buildup in the coaxial relay contacts and sparks, which can significantly accelerate the life of the relay and make the VSWR detection unstable (causing the protection circuit to operate). Be sure to wire for SSB operation. Please check the condition of the item in the photos.

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