Subsonic Filter (CB25143E)

We found this circuit in the June 1988 Radio Electronics magazine. The power supply must be symmetrical.

| Clique na imagem para ampliar |

Infrared Remote Speaker (CB4898E)
This 80's circuit uses an integrated amplifier of the era, but nothing prevents it from being...
1 A adjustable power supply (CB7092E)
This power supply was found in a RCA publication from the 1970s. The circuit uses transistors from that...
Maxim Integrated MAXREFDES67 24 bit Universal Analog Input Micro PLC
Maxim MAXREFDES67 Universal Analog Input Micro PLC is ideal in factory automation because of its...