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Hi-Z Ham Radio Receiving Antennas Directional Receiving Antennas
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Ad Detail with Photo for Listing #1488698


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AMPHF - FS: Collins 30L-1 PS and relay board

Be ware of cheap chinese copy version at some auction sites. The made in China copy version selling higher than my price. Buy the original since 2007. The most popular 30L-1 power supply board for $69.Plus $10 for USPS priority mail.Board uses 1000V 3A diodes in series, and 105 deg C caps, 4 times of life compared to 85deg C caps, 220 uF 6 of them. The Heat sensitive caps are under the board while the Heat generating bleeder resistors are above the PCB , no chance that Heat damage the capacitors.The R multiplier 4M ohm on the board as well as I shunt on the board. assembled and tested. Relay board changes original -170V, 70mA to -12V 1mA. If you use relay controlled transceiver to drive the 30L-1, this relay board is a must.Price $27 plus $3 for shipping,Iclude free 10 uf/250V Bias capacitor and MOV for protection of bias parts. NEW item 516-F2 LV regulator board got user's good responses. e-mail me for a detailed info.


Listing #1488698 by K6HM
Last Edited on 05/23/20
Submitted on 05/15/20
Submitted from 75-37-192-218.lightspeed.lsatca.sbcglobal.net
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