100 MHz harmonic oscillator (CB9659E)

This Pierce oscillator was found in American documentation from the 1980s. Transistors support modern equivalents.

| Clique na imagem para ampliar |

1 kHz oscillator (CB12899E)
This circuit was found in an Argentine publication from 1973. It uses a common AM coil (50 + 50...
Rectangular Generator with LM3900 (CB15627E)
To obtain rectangular 1 kHz signals, we can have a simpler configuration, with a single amplifier, as...
Integrated Preamplifier (CB21968
E) Using a CA3130 this preamp has excellent gain. The power supply does not have to be...