Radio with amplifier (CB20486E)

We found this circuit in a publication of 1991. The audio amplifier is an operational that admits equivalent.

High beam timer (CB9527E)
Found in American documentation from the 90s, this circuit keeps the high beam on for a time...
Eighth-Order Filter (CB6741E)
This low pass filter has attenuation of 5.5 dB and the frequencies depend on the values of the...
New Memory Offering from Microchip Offers Unlimited Endurance Along with Safe Data Storage at Power Loss
The I2C EERAM Memory is a Low - Cost NVSRAM that Eliminates the Need for an External Battery to...