Метка: sdr
1 of 2 «headless» SDR progress
One more ADC module
It will be used for the second transceiver. It has pretty good characteristics now. Around 92-94dbc IMD3 and sensivity around -137dbm (still
Little tuned bias on wolf RU4PN qrp unit
50db ATT, 14.1Mhz ~30dbc, 36dbc PEP
Big box SDR temperatures
ADC board: QMTech board: XVTR: 5v stab: ADC:
LTC2208 new board + Qmtech board power consumption
5V bus
New ADC LTC2208 board with LVDS lines
Comparing with old one: Almost ready for tests:
Wolf RU4PN QRP Unit some tests
First transmit using new unit.
New RU4PN QRP unit VNA HF measurements
VNA test