FET simple mixer (CB8760E)

We found this simple mixer in a 90s Radio Electronics. The used FETs are still common. The inputs are high impedance.

Function Generator (CB20097E)
The operational amplifier used in this project no longer exists, but the circuit can be adapted to...
Night Switch (CB12331E)
With S1 closed, when dark, the triac will supply the load with the power set in R4. The LDR is...
LDO Regulators
Toshiba LDO Regulators Toshiba has a wide variety of low voltage drop (LDO) linear regulators...