When a remote control signal is received, the energy stored in C2 drives the emitter diode. At...
This rf probe is coupled with a fiber-optiCJ:able to the test equipment. It utilizes inexpensive...
If you live in the frozen north, knowing your engine-block heater is working is a comfort. This...
Here is the latest and abundantly bigger TX200 VFO/VCO FM transmitter. The best able transmitter...
This is of course the simplest electronic code lock circuit one can make. The circuit uses one...
How many speaker attach with this amplifier and what is the what is the speaker Ohom and watt ...
The circuit diagram shown here is of a Hall Effect switch. Hall Effect sensor IC DN6848 from...
By making this RF amplifier small power transmitters of 200 mW, can be transformed into a power...
This design uses four IC`s and has four input circuits and four independent outputs and a single...
Excess electrical energy has been discovered in spark gaps using Carbon/Graphite - Thoriated...
For this project the 1 1/4 meter Midland 13-509 ischosen, mainly because it`s use in several...