Crystal Pierce Oscillator (CB6149E)

This circuit uses a 100 kHz crystal, but nearby frequencies can be obtained with appropriate crystals. Components are still common today.

| Clique na imagem para ampliar |

OPAx196 Texas Instruments Power Operational Amplifiers
Texas Instruments' low power operational amplifiers OPAx196 can be found on Mouser Electronics....
Power Supply 0 to 5 V x 1 A (CB1185E)
This variable power supply uses common components and can supply a current up to 1 A. The...
Variable Reluctance Pickup Preamplifier (CB941E)
This circuit was fond in an old publication of the years 1950. The transistors are germanium types and...