Temperature to digital converter (CB21287E)

This '90s circuit found in National Semiconductor documentation uses components from the time.

| Clique na imagem para ampliar |

High Voltage Pulser (CB6253E)
This flasher was found in an old Hands On, but uses common components. The optocoupler can be...
Non-inverting stereo amplifier LM377 (CB25939E)
This circuit with output powers of 2 to 3 W depending on the power supply was found in the...
Reinartz Oscillator (CB25591E)
The L3 coil is what basically determines the resonant frequency, around 1 MHz, in this oscillator found...