Function generator (CB7594E)

Found in a 90s 73 magazine for radio amateurs, this circuit makes use of common operational amplifiers.

| Clique na imagem para ampliar |

Amplifier for photodiode 1 (CB6787E)
We found this circuit in Harris' 90s documentation. The circuit applies to modern operational...
Crystal oscillator (CB7539E)
Found in a 90s magazine for radio amateurs, this circuit can generate frequencies up to 45 MHz...
Two Diode Balanced Modulator (CB4233E)
This is yet another balanced modulator circuit for SSB transmission. This two-diode circuit was...