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am rf amp for internal antenna circuit – Circuit Schematic
am rf amp for internal antenna circuit
Any NPN transistor can be used. The author used a 2N3904, but a 2N2222A should work just as well. A good, low noise transistor would be even better. Some radios...
drm direct mixer ef956ak5 – Circuit Schematic
drm direct mixer ef956ak5
This hybrid DRM receiver with a single valve and a single transistor features good large-signal stability. The EP95 (US equivalent: 6AK5) acts as a mixer, with ...
radio frequency rf watt meter circuit – Circuit Schematic
radio frequency rf watt meter circuit
This is a circuit for RF (radio frequency) transmitter experiment, watt meter is useful for optimizing the transmitter circuit. A simple RF watt meter circuit i...
15db uhf tv antenna booster circuit – Circuit Schematic
15db uhf tv antenna booster circuit
This is a circuit for antenna UHF TV that can be give 15dB preamp. This circuit is built by transistor and low components. This is the figure of the circuit. Th...
spy transmitter circuit – Circuit Schematic
spy transmitter circuit
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rf modem robotics project using pic16f84 microcontroller – Circuit Schematic
rf modem robotics project using pic16f84 microcontroller
RF is just way too cool not to use in your designs. But if you`re a newbie like me it is difficult to successfully build solid RF transmitters and receiver.....
frequency modulation – Circuit Schematic
frequency modulation
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fitting a circuit scheme to a simpler mode – Circuit Schematic
fitting a circuit scheme to a simpler mode
Simulate the electric field within a gas filled discharge gap generated by a radio frequency voltage generator. The circuit, provided to me by the experimenters...
am receiver based on tda1572 ic – Circuit Schematic
am receiver based on tda1572 ic
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valve vhf fm pulse counting receiver – Circuit Schematic
valve vhf fm pulse counting receiver
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solid state short wave and vhf receiver – Circuit Schematic
solid state short wave and vhf receiver
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single conversion 10.7mhz pulse counting receiver – Circuit Schematic
single conversion 10.7mhz pulse counting receiver
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severn valve hf super het – Circuit Schematic
severn valve hf super het
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pulse counting fm receiver – Circuit Schematic
pulse counting fm receiver
This part of my site features construction details of a transistor VHF radio I managed to build using circuits as the building blocks, Compiled from some of my ...
progressive crystal set to regenerative receiver – Circuit Schematic
progressive crystal set to regenerative receiver
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introducing super het receivers – Circuit Schematic
introducing super het receivers
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double conversion pulse counting fm tuner – Circuit Schematic
double conversion pulse counting fm tuner
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rf mod – Circuit Schematic
rf mod
If the TV receiver in question does not have a video input and its owner is reluctant to vandalise it in order to fit one then this sort of modulator is the obv...
Motorola DSP Receiver – Circuit Schematic
Motorola DSP Receiver
Ralph Stirling, KC3F, and I built the first generation using a Texas Instruments C5X DSK digital signal processing starter kit. Let it suffice to say that the s...
continous wave rec – Circuit Schematic
continous wave rec
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