Modulated Oscillator (CB26007E)

We found this circuit that can reach 50 MHz in the February 1997 Electronics Now magazine. The integrated circuits used are not very common today.

| Clique na imagem para ampliar |

General Purpose Meter (CB23574E)
Measuring capacitances and resistance this simple instrument was found in Radio Electronics...
Current Source with the LM143 (CB14270E)
The LM143 integrated circuit is a high voltage operational amplifier from National Semiconductor that is...
Hexadecimal display circuit (CB24921E)
We found this circuit in the November 1985 issue of Radio Electronics magazine. It uses TTL...