Volt Analog Ammeter (CB7352E)

This analog volt-ammeter was found in an Electronics World of 1968. It makes use of a 0-1 mA analog milliammeter. Accuracy depends on the components.

| Clique na imagem para ampliar |

Temperature alarm (CB22122E)
This circuit sensor is an NTC with a resistance of the order of 2k. The SCR can be from the TIC...
PNP Constant Current Source (CB1242E)
The load current can be adjusted up to about 1 A. The transistor can be TIP32 or TIP42. The...
Relaxation Oscillator (CB23592E)
This oscillator with common general-purpose transistors appeared in Radio Electronics magazine in...