This is the receiver for the previous circuit found in the November 1991 Radio Electronics magazine. The frequency is 2.2 MHz determined by the coils.
This Testa o Croce (name in Italian) was obtained from an Italian magazine in 1994. The circuit can...
This stabilized source can supply currents up to 200 mA with the indicated transistor or 500 mA...
This oscillator does not carry any resonant circuit, except for the one formed by the crystal...