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  Main » Radio Frequency


This test oscillator covers 16 MHz to 300 MHz in six bands, using varactor tuning. It has a high level output to drive a frequency meter and two sine wave outputs, one of which is 50 Ohms. ... Read more »
Category: Radio Frequency | Views: 1984

That Circuit is a UHF TV linear amplifier for small TV transmitters with output aroun 100-200mW. The transistor BGQ136 comes with SOT-122 case has gain of 13dB at 800MHz. So with input 100mW you get 2W output and for 200mW you get 4W.  ... Read more »
Category: Radio Frequency | Views: 1188

This small circuit is a Linear amplifier for driving small UHF TV transmitters. Its gain is 7dB and can amplify a signal between 450-800 MHz. You can drive the circuit with 1 to 1,5 Watts signal. Better use double layer PCB with the second layer connected to earth. Use a stabilized power supply 25 volts and at least 5Amps.  ... Read more »
Category: Radio Frequency | Views: 1191

This structure is an amplifier RF, covering the range of UHF and intended for small TV transmitters, working in the channel UHF. The amplifier can enhance any video signal to the region UHF (450-800MHz).  ... Read more »
Category: Radio Frequency | Views: 2925

The circuit is a wide band RF amplifier with an input range of 10MHz to 500MHz. It can be used as a pre-amplifier due to its low noise characteristics.  ... Read more »

Category: Radio Frequency | Views: 1898

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