Sample and Hold with Standby CD4053
A, B, and C are the Digital Control for x, y and z input and output pairs.The voltage at Vinx is stored in C1 when […]
Digital-Circuits
High Resistance Meter
I don’t remember if this circuit worked properly. But a few were made and i might not have shown the modifications that were done to […]
1 Hz or 1 PPS Crystal Clock Base
The CD4020BC, CD4060BC are 14-stage ripple carry binary counters, and the CD4040BC is a 12-stage ripple carry binary counter. The counters are advanced one count […]
Crystal Oscillator – Parallel Resonant
74HCU04 is a chip that was made for this purpose, HCT may not work for such a circuit. C1 and C2 can go to upto […]
Multiplexed Presettable Timer with ICM7217
This was a attempt to make a Sequential Timer with ICM7217 of Intersil, even though it worked well, it was not developed beyond the prototype […]
Printer Port Logic Analyzer
This is a Test Circuit for Logic Analyzer software, with the Simple port circuit. The VB Logic Analyzer works, but is just an example program […]
Simple Printer Port Interface
Printer Port Circuit to see the inputs logic state and drive a few outputs. The preset control program helps test out the circuit operation. Use […]
Simple Digital Event Counter
The basic digital circuits are Flip Flop and Counter, both are here. This circuit can be cascaded to make even a 6 digit event counter, […]