This circuit is from 1976 documentation, but it can be assembled with more modern transistors like the BF245 and MPF106. The circuit has a consumption of only 1 mA. Its application is in the reception of SSB signals (BLU) providing an audio output directly to an amplifier. The circuit is connected directly to the FI and to the output of a beat frequency generator (BFO).
| Clique na imagem para ampliar |
