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Amplifier Circuits:  RF (Radio Frequency)
Last Updated on:
Monday, April 28, 2008 03:04 PM

Amplifier -- Main Page

Circuits Designed by Dave Johnson, P.E. :

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

1 Watt 2.3 GHz RF Amplifier using a MRF2001:  (circuit / schematic design added 6/06)

1 Watt Universal Class 'C' RF Amplifier:  (electronic circuit added 11/05)

100kHz to1GHz RF Power Detector:  Linear Technology LTC5507) (app note added 02/05)

500w HF Linear Amplifier:  (electronic circuit added 7/03)

500W, Class E 27.12 MHz Amplifier Using A Single Plastic MOSFET:  Application Note Microsemi-formerly Advanced Power Technology APT9903  ( app note added 2/07)

60 Watt RF Amplifier:  Solid state RF power amplifier using IRF840. Simple and easy to construct. IRF840 can handle a maximum power output of 125 Watts. (added 9/04).

A 300W MOSFET Linear Amplifier for 50 MHz:  Application Note Microsemi-formerly Advanced Power Technology APT9802  ( app note added 2/07)

A 50 Mhz, 250w Amplifier Using Push-Pull Arf448a/B:  Application Note Microsemi-formerly Advanced Power Technology APT9702A  ( app note added 2/07)

A High-Efficiency 400 Watt 13.56 MHz RF Power Amplifier:  Application Note Microsemi formerly Advanced Power APT9501(added 1/07)

A Push-Pull 300-watt Amplifier for 81.36 MHz:  Application Note Microsemi-formerly Advanced Power Technology APT9801  (app note added 1/07)

A Simple Method to Reduce DC Power Consumption in CDMA RF Power Amplifiers Through the LMV225 and an Efficient Switcher:  National Semiconductor Application Note   (app note added 6/06)

AN-1438: A Simple Method to Reduce DC Power Consumption in CDMA RF Power Amplifiers Through the LMV225 and an Efficient Switcher:  National Semiconductor Application Note   (app note added 6/06)

AN-543: High Quality, All-Digital RF Frequency Modulation Generation with the ADSP-2181 and the AD9850 DDS :  AN-543-Analog Device Application Notes  (app note added 6/06) 

AN-60-008  Operating precautions for RF Amplifiers:  Application Note MiniCircuits.com  (app note added 6/06)

AN-888: RFI Suppression Techniques in DP83950A (RIC) Based Systems:  National Semiconductor Application Note   (app note added 2/06)

Broadcast-Band RF Amplifier:  (circuit added 9/04)

Capabilities Of Low-Cost High Voltage RF Power MOSFETs At Hf and Vhf:  Application Note Microsemi-formerly Advanced Power Technology APTB981  ( app note added 2/07)

Controlling TDMA Timeslot Power Levels using the Esg-D Series, RF Signal Generators:  Aligent App Note  (added 2/06)

Determining Maximum RF Output Power Rating:  Application Note Microsemi-formerly Advanced Power Technology APT0401  ( app note added 2/07)

First Demonstration of 4H-SiC RF Bipolar Junction Transistors on a Semi-insulating Substrate with fT/fMAX of 7/5.2 GHz Semi-insulating Substrate with fT/fMAX of 7/5.2 GHz :  Application Note Microsemi MTTS05 (added 2/07)

General Purpose Power Supply:  National Semiconductor Application Note   (app note added 6/06)

General Purpose RF Amplifier:  (circuit / schematic design added 6/06)

Generic VHF Power Amplifier:  (electronic circuit added 7/03)

High Quality, All-Digital RF Frequency Modulation Generation with the ADSP-2181 and the AD9850 DDS:  AN-543-Analog Device Application Notes  (app note added 6/06) 

High Voltage, High Efficiency MOSFET  RF Amplifiers:  Application Note Microsemi-formerly Advanced Power Technology APT0001  ( app note added 2/07)

Low Cost 1000 Watt 300 Volt RF Power Amplifier for 27.12MHz:  Application Note Microsemi-formerly Advanced Power Technology APT9701  ( app note added 2/07)

MOSFET Linear Amplifier for 50 MHz:  Application Note Microsemi-formerly Advanced Power Technology APT9802  ( app note added 1/07)

One Watt 2.3 GHz RF Amplifier using a MRF2001:  (circuit / schematic design added 6/06)

Operating precautions for RF Amplifiers  AN-60-008:  Application Note MiniCircuits.com  (app note added 6/06)

 

RF Amplifier for Ferrite Bar Antennas:  (circuit / schematic design added 6/06)

RF Frequency Linear Tuning Varactors:  MicroNote 705 from Microsem  (app note added 6/06)

RFI Suppression Techniques in DP83950A (RIC) Based Systems:  National Semiconductor Application Note   (app note added 2/06)

Simple and Inexpensive High-Efficiency Power Amplifier Using New Apt MOSFETs:  Application Note Microsemi-formerly Advanced Power Technology APT9403  ( app note added 2/07)

UHF TV PreAmplifier:  (schematic added 9/02)

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