Showing posts with label rf. Show all posts
Showing posts with label rf. Show all posts
Tuesday, October 28, 2014
IC RD15HVF1 bassed RF amplifier electronic Circuit diagram
This RF amplifier electronic project circuit is designed for 525MHz frequency band . This RF amplifier electronic project is based on the RD15HVF1 MOS FET type transistor specifically
designed for VHF/UHF High power amplifiers .
This RD15HVF1 rf amplifier circuit project can provide a maximum High power of 15 watts and a gain power more than 7dB using few external electronic parts . This amplifier circuit project must be powered from a 12 volts dc power supply .
C1 capacitance must have a value of 10uFand must be formed from 2200pf capacitors connected in parallel . C2 capacitor must be formed from two capacitors of 2200pf connected in parallel . C3 capacitance must have a value of 330uF and must be formed from 2200pf capacitors connected in parallel . L1 L2 and L3 coils must be formed from 1.6mm silver plateted copper wire on a diameter of 6mm . L1 must have 4 turns , L2 must have 2 turns and L3 must have 4 turns .
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As you can see in schematic circuit , this electronic project based on MOS FET type transistor require few external electronic parts .
designed for VHF/UHF High power amplifiers .
This RD15HVF1 rf amplifier circuit project can provide a maximum High power of 15 watts and a gain power more than 7dB using few external electronic parts . This amplifier circuit project must be powered from a 12 volts dc power supply .
C1 capacitance must have a value of 10uFand must be formed from 2200pf capacitors connected in parallel . C2 capacitor must be formed from two capacitors of 2200pf connected in parallel . C3 capacitance must have a value of 330uF and must be formed from 2200pf capacitors connected in parallel . L1 L2 and L3 coils must be formed from 1.6mm silver plateted copper wire on a diameter of 6mm . L1 must have 4 turns , L2 must have 2 turns and L3 must have 4 turns .
Saturday, August 23, 2014
Affordable Vhf Uhf Diode Rf Switch Wiring diagram Schematic
This is the very cheap low priced schema. This is an affordable Vhf/Uhf diode Rf switch schema diagram. This schema uses low-cost IN4148 diodes and exhibits about 1.5 dB insertion loss from 10 to 1000 MHz with a few volts of negative bias. D3 conducts and D1/D2 are cut off, which results in 30 to 50 dB isolation. When a few volts of positive bias are applied, Dl and D2 are biased on and D3 is cut off. This schema should be useful in applications where a low-cost RF switch is necessary.
Affordable Vhf-Uhf Diode Rf Switch Circuit Diagram
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