Saturday 30 January 2016

LDMOS 144-146 Mhz SSPA Amplifier

2 Meter Solid State Amplifier

Starting to build up componants for my 2 Meter SSPA Amplifier. First to arrive was the 48vdc power supply, it was purchased on Ebay for £22 including shipping. The power supply is a Meanwell  SDR-960-48 delivering 20amps 26 peak...by my calculations this is sufficient




The next items to arrive were the Tohtsu coaxial relays, a CX-230-L and CX-600-NL. These proved to be a pain to find here in the UK and after 2 weeks of searching and telephone calls to UK suppliers they were eventually obtained from Henry Radio in the US.  I wanted these pictular relays because of the direction that the plugs are orientated, as this will suit my amplifier layout better....