70cm GS-23b Amplifier by LZ2US Click on callsign for e-mail.

Tube:  GS23B /4CX1600U/ SVETLANA Freq:  432 MHz Power output > 1500 watts Power gain:  14-15 dB         Eff. 55% linear mode 220-240 volts Size:  19x17x11 inches Weight:  43Kg Heater and High Voltage both "soft" start High Voltage delay timer:  HV cannot turn on before the tube is ready Cannot apply drive without HV: PA kept in STDBY (No operation is possible without HV) HV plate line is fuse protected The HV transformer protected by magnet circuit breaker (overcurrent breaker) Control and screen grids are overcurrent protected (trip circuit) Blower delay timer:  Blowers run after PA is off for better cooldown Built-in coax relay sequencer:  Separate exciter & tower relay/preamp box outputs Coax transfer relays (depends on the order - contact LZ2US to discuss) Front & Top View Bottom of RF compartment Different look at Top View Rear Panel

Best Viewed: MSIE 4.0 & higher, or Netscape 3.02 & higher, and screen set to 800x600 pixels Last Updated: 9 January 2001 Feedback: Paul S. Goble, III, ND2X Copyright © 1998 - 2001 by ND2X, all rights reserved