300 to 3,000 Hz Speech Filter (CB6543E)

Found on an 80's Radio Electronics, this two-section circuit is designed to pass the frequency range of the human voice.

| Clique na imagem para ampliar |

Integrated FM Transmitter (CB12594E)
This circuit, which has a power of a few tens of microwatts, is suggested by Maxim. The circuit has a...
Bq26601 3 A Battery Charger
July 2017 - Texas Instruments' new 3 A bq25601 single cell battery charger can be found on Mouser...
Power Supply Monitor (CB25398E)
The purpose of this circuit is to monitor the output voltage of a power supply. The under and over...