This circuit from the 90s has RIAA equalization with a gain of 35 dB at 1 kHz. The circuit has an input sensitivity of 2.2 mV for an output of 100 mV.
One pulse in the output is produce at each 5 pulses applied to the input. The circuit uses CMOS...
Connected between an external antenna and the antenna input of a receiver, this circuit provides...
Carefully removing (and a lot of work) the cover of a metallic 2N3055 to expose its joints it...