We found this 12 V ignition circuit in the 1964 RCA transistor manual. The 2N3054 can be replaced by the TIP41C. The two transistors must be provided with heat sinks.
This watt meter was found in an old telecommunications documentation. The circuit is interspersed...
This circuit is from a Popular Electronics from the 90s. The circuit requires extreme care in use, as...
This oscillator is indicated for the adjustment of FI of FM radios, having its frequency...