WebHybrid-TRX with 7 tubes, 49 transistors, 19 FETs, 25 IC, 128 diodes. Sensitivity 0,3µV 10dB/SINAD at 28,2 MHz/SSB. 160 to 10 meters HAM-bands plus 15 MHz & 27 MHz additional 500 kHz ranges, AM/CW/SSB/FSK, three IF xtal-filters, digital frequency readout. Uses RCA 7360 beam deflection tube as receiver mixer for high signal performance. WebRF BOARD for (tr)uSDX multimode TRx. ️ DL2MAN & PE1NNZ cancelled the license for (tr)uSDX complete product manufacturing, for many manufacturers. We have only the RF …
DL2MAN´s HAM Radio Page – home of the (tr)uSDX
As mentioned above, the receiver and SSB exciter consists of two SA612 (IC1 & IC2), the SSB crystal filter (XTAL), IF amplifier (Q7, Q9, Q10). The relay K1 acts as the receive/transmit switch. The RX path then starts from K1 through the auto-transformer U2 and pre-amplifier stage Q8 into the first mixer IC1. … See more The controller section just contains a fat ATMega32 (DIP-40) controller with an SI5351 breakout board. See more There is a lot of stuff in the audio section. IC4B is a 300Hz-3kHz active audio band-pass filter for SSB. IC4A, IC5A, IC5B form a 3 stage active audio band-pass filter around 650Hz for CW. … See more The PA circuit is more or less directly stolen from the uBitX. The PA consists of two pre-amplifier, one driver and one final stage. The latter … See more WebThe 80m SSB & CW transceiver design is based on an already proven concept used in ATLAS amateur transistorised transceivers from 70's. The "two-mixer + 1 XTAL filter" design uses the 1st mixer as front-end mixer on receive as well as SSB modulator on transmit. theory standard polo shirt
The Micro QRP Transceiver – A pocketful of radio in SMT
WebTablemodel with Push Buttons. Dimensions (WHD) 241 x 94 x 235 mm / 9.5 x 3.7 x 9.3 inch. Notes. Kenwood HF SSB/CW Transceiver TS-120V. Final Power input: SSB: 25 W PEP. … WebIn CW mode a 1k resistor is used for carrier through. The preamplifier of the electret microphone uses a low noise op-amp TL081 (U3). The DSB signal from the modulator is amplified by a monolithic amplifier U9 ( MAR-6 ) and routed through the SSB filter CFJ455K filter, which is the same filter used on the receive path. http://www.pg1n.nl/articles.php?lng=en&pg=1271 shshsbingdashboardrewardsprog