Testing remote controls (CB7027E)

This circuit was found in an old Popular Electronics. With it we can check the operation of a common infrared remote control.

Indicator for windscreen wiper (CB6038E)
This sophisticated circuit is from old Motorola documentation, using common integrated devices...
9 V Battery Eliminator (CB1154E )
This ultra-simple 9 V power source was obtained in an Argentine publication of the 1970s, but it...
Microsemi Le87536 Dual Differential Amplifier
Microsemi Le87536 Dual Differential Amplifier Microsemi / Microchip is making available through Mouser...