Transistorized VU (CB21729E)

The instrument of this circuit can be a common microammeter. The circuit has its operating point adjusted in the trimpot.

RS232 temperature interface (CB21278E)
Found in an Electronic Design from the 90's, this circuit uses common components. The circuit is...
1 kHz third order filter (CB12570E)
The circuit shown in the figure is a third order Bessel filter with unit gain using two...
ERB RD RE Series and RG Microcomputer Fuses
March 2017 - The new ERB-RD, ERB-RE and ERB-RG fuses from Panasonic's Micro Chip Fuses can now be...