Buffer with MOSFET (CB26318E)

This boost amplifier was found in a Popular Electroniics from the 90s. The circuit operates up to 20 MHz depending on the coils used.

| Clique na imagem para ampliar |

Simple NiCad Charger (CB237E)
This charger sources currents in three ranges: 10 mA, 25 mA and 50 mA; Current is sellected...
Piezoelectric Transducer Amplifier LM11 (CB14347E)
The LM11 is a precision operational amplifier from National Semiconductor. The circuit was found in...
Hearing aid amplifier (CB22338E)
This amplifier uses germanium transistors of the time. The circuit is from a documentation from...