Level Indicator (CB4890E)

This 3-step level indicator uses only passive components. LEDs are common and trimpots can be 4k7 which a current commercial value.

MPLAB® Mindi™ Analog Simulator with SPICE and SIMPLIS Environments
MPLAB Mindi Software Updated to Include Over 300 Device Models and Schematics CHANDLER, Ariz.,...
Servo Test (CB202E)
Servo motors operate from the changes in the pulse width in a range between 1 and 2 ms. The...
Voice And Music Mixer (CB4415E)
We found this basic mixer with the 741 integrated circuit in a 1992 publication. The battery is...