Bridge Balance Indicator (CB6068E)

This Texas Instruments circuit is from the 80's. However, it can be implemented with modern operating systems. The power supply must be symmetrical.

| Clique na imagem para ampliar |

Complementary Symmetry Amplifier (CB12880E)
This amplifier has a few Watt output, using old transistors. The speaker is 45 ohms, but with...
50 ohm line booster (CB6221E)
This circuit was found in an 80's Electronic Design. It amplifies TTL fast signals for a coaxial...
LM3900 Pulse Generator (CB25180E)
This circuit uses a Norton operational amplifier to generate 1 kHz pulses with a 1 to 60...