High Impedance Differential Amplifier LM148 (CIR2854E)

Other operational amplifiers can be used in this circuit obtained from the manufacturer's own manual. The circuit should use.

| Clique na imagem para ampliar |

Power Relay (CB14815E)
The circuit shown consists of a power stage for relay excitation. 2N3053 can be a BD135 and 2N406...
Transformerless power amplifier (CB8161E)
This circuit, from a 1968 Electronics World, is fed directly by the rectified voltage from the...
220 kHz FM Circuit (CB25771E)
Using a 4046 PLL this circuit was obtained from the October 1994 issue of Electronics Now...