This amplifier uses a 1975 integrated circuit, which is uncommon today. The circuit has a gain of 30 dB and uses a transformer-less output with 9 V power.
Avago Technologies (www.avago.com) suggests the circuit in Figure 9 for amplifying signals of...
We found this circuit in a 1986 publication. However, as it is based entirely on 555 integrated...
This circuit can be used to listen for SSB signals on receivers that do not have the built-in...