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Current Circuits Resources |
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| RF Amplifier Circuits |
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| New Circuits this Magazine... |
 | BROADCAST-BAND RF AMPLIFIER
The circuit has a frequency response that ranges from 100 Hz to 3 MHz; the gain is about 30 dB. Field-effect transistor Q1 is configured in the common-source self-biased mode; optional resistor R1 all ...
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 | 200 MHZ CASCODE AMPLIFIER
This 200 MHz JFET cascode circuit features low cross-modulation, large signal handling ability, no neutralization, and AGC controlled by biasing the upper cascode JFET. The only special requirement of ...
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 | 45-MHZ IF AMPLIFIER WITH CRYSTAL FILTER
A 40673 dual-gate MOSFET is matched to a crystal filter at 45 MHz. The filter impedance is around 2k W. The +4-V source can be made variable for gain control (about +4 to -4V.) Click on Picture for Fu ...
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 | 30-MHZ AMPLIFIER
Using a CLC406 op amp, this video amplifier has a voltage gain of +2 and is flat to 30 MHz. The circuit should be useable in video switching and interfacing applications.Click on Picture for Full Size ...
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 | 10-TO 15-W ATV LINEAR AMPLIFIER
This amplifier is useful for applications where a 10- to 15-W peak-envelope-power (PEP) signal is needed in the 420- to 520-MHz range. C1,C2,and L1 form a matching network for amplifier Q1. L3,C3, and ...
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