200 MHz crystal oscillator (CB9619E)

This circuit was found in a1980s Motorola documentation. The integrated circuit is from that time. The frequency depends on the crystal.

| Clique na imagem para ampliar |

Solar panel charger (CB7265E)
Suggested by National Semiconductor in documentation from the 90s, this circuit uses a switched...
RF and Audio Probe (CB5912E)
Any FET can be used on this 80's circuit. Power can be supplied with batteries. The output is...
Variable Active Cycle Frequency Doubler (CB5027E)
This circuit was found in an Electronics World magazine from 1990. The circuit can be mounted...