4 to 55 MHz amplifier (CB9166E)

This broadband amplifier was found in an Elektor from the 90's. The gain is 10 dB with a noise figure of less than 5 dB.

| Clique na imagem para ampliar |

Transistor Tester (CB17014E)
This simple transistor tester uses a common 3 mA analog instrument that has its scale changed as...
CMOS Logic Proof (CB5892E)
This circuit was obtained from an English publication from the 70's. The circuit is still current for...
Old Analog Multimeter II (CB18868E)
This commercial circuit N-101 was obtained in a Japanese publication from 1971. It is a typical...