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Here is a handy gadget for test- ing of infrared (IR) based re- mote control transmitters used for TVs and VCR......
An infra-red or wireless remote control has the disadvantage that the small, handy, remote transmitter is ofte......
Here is a circuit of a remote control unit which makes use of the radio frequency signals to control various e......
The RF oscillator using the inverter N2 and 10.7Mhz ceramic filter is driving the parallel combination of N4 t......
A few designs for remote control switches, using VG40T and VG40R remote control pair, are shown here. The mini......
The circuit for a powerful AM transmitter using ceramic resonator/filter of 3.587 MHz is presented here. Reson......
Using the circuit of 40-metre band direct-conversion receiver descr- ibed here, one can listen to amateur radi......
The power output of most of these circuits are very low because no power amplifier stages were incorporated. ......