100w HF linear amplier for use with Picastar - G3vpx.net

This amplifier uses G6ALU's excellent board design (- see his website) . (I am building another for my G3VPX transceiver using a pair of Toshiba 2SC2879 transistors) . I will publish a schematic, PIC code and LPF L and C values soon.

http://www.g3vpx.net/pa100w/pa100w.htm

iTunes

i have built a rf amp for 10 meter using eight 2sc2879 transistors ...
Aug 1, 2011 . Question - i have built a rf amp for 10 meter using eight 2sc2879 . With the circuit on and functional, read the Voltage drop across the R-13 .
http://www.justanswer.com/electrical/5cmew-built-rf-amp-10-meter-using-eight-2sc2879-transistors.html

Gatekeeper Built 0X4 2SC2879 Custom Base Linear Amplifier ...

Apr 16, 2012 . Gatekeeper Built 0X4 2SC2879 Custom Base Linear Amplifier - Modified AB(C) Biased . The huge tug of war with RF Amplification is Efficiency VS. Linearity . His job is take the trans. and design circuits they can be used in.

http://www.youtube.com/watch?v=ObZfpCobo2A

Bias Circuits for RF Devices

A transistor amplifier must possess a DC biasing circuit for a couple of reasons. . A very low-cost biasing scheme for RF and microwave circuits, but with less .

http://www.qsl.net/va3iul/Bias/Bias_Circuits_for_RF_Devices.pdf

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rf amp circuit using 2sc2879

By Joe Scrivens

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Amplifiers, Commercial

Oct 9, 2012 . Contents: Introduction; Basics; Power Output Level; Amplifier Kits & Foreign . If you're using a remotely tuned antenna, and/or an automatic . Whether the Hercules II can be modified to use the Toshiba 2SC2879's (MRF458's closest . Its CPU controlled circuitry detects the presence of RF, measures the .

http://www.k0bg.com/amplifiers.html

Description

instruction manual - ameritron als-500m

The ALS-500M uses two pairs of 2SC2879 transistors operating at 13.8 volts nominal . High quality RF components combine with load fault sensing, temperature . The ALS-500M features a load fault trip circuit that bypasses the amplifier if .

http://www.qsl.net/4/4x6on/RADIO%20MANUALS/AMERITRON/AMERITRON--ALS-500M-User-Manual.pdf

RF Amplification

Proven design with low risk. Proven ability to survive poor conditions (high SWR, e.g.) When we set out to design this amplifier, we assumed (naively, as it turned . of splitting and combining the RF going into and out of the amplifier modules. . you can still use the bias circuitry, board layout and input/output circuitry from .

http://k6if.com/ssamp/id5.html

2SC2879 datasheet and application note, data sheet, circuit, pdf ...

2SC2879 datasheets and application notes. . TYPE 2SC2879 2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS (LOW . Abstract: 2SC2879 NPN SILICON RF POWER TRANSISTOR DESCRIPTION: The ASI 2SC2879 is a . Abstract: June 1999 ST CROSS REFERENCE WITH NEC INDUSTRY PART NUMBER .

http://www.datasheetarchive.com/2SC2879-datasheet.html

Lets Explode a Few CB Myths

DaveMade claims their model 200 mobile amp using two Toshiba 2sc2879 . The RF signal from the transmitter is passed through the diode before it gets to the .

http://www.shadowstorm.com/cb/CB_Myths_Exploded.html

Research: Tube Type "CB" Linear Amplifiers

Using an external RF power amplifier with a citizens band radio is illegal in . The Twister has four 2SC2879 transistors which are rated for 100 watts PEP . Of the 70 watts, some power is lost due to the output circuit, the coils and capacitors.

http://www.bunkerofdoom.com/lit/cb/linears/index.html

rci2970n2 bias help - Page 4

I am not a fan of Mosfet's in high power RF circuits they seem to fail freq. . the linear amp I am guessing it is still using a single 2SC2879?

http://www.worldwidedx.com/export-radios/107050-rci2970n2-bias-help-4.html

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Building my own mobile hf Amplifier....Filter questions
In addition, you will need to know what you are doing (HF amplifier . I did plan on using 8 2sc2879 transistors and the heat sink from a cb .
http://forums.qrz.com/showthread.php?247654-Building-my-own-mobile-hf-Amplifier-Filter-questions

Data Sheet - RF Parts Company

2~30MHz sss LINEAR POWER AMPLIFIER APPLICATIONS. Unit in mm . intermingle with normal industrial or domestic waste. 961001 . Pi TEST CIRCUIT .

http://www.rfparts.com/pdf_docs/2SC/2SC2879.pdf

Ameritron ALS-600S with switching power supply - W0CP Home Page

In fact, the new power supply is perfectly compatible with all ALS-600 RF decks and . This amp utilizes 2SC2879 bipolar output transistors, another popular output . A thermal protection circuit will force the amplifier into standby mode when it .

http://www.w0cp.com/ALS-600SPS.htm

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Transistors 2sc2879,Buy Quality Transistors 2sc2879 from ...

79 Products . Transistors 2sc2879, Source Transistors 2sc2879 Products at .

http://www.alibaba.com/showroom/transistors-2sc2879.html

3.4: Transistor Amplifier Circuit Biasing On GlobalSpec

From Electronic Devices and Amplifier Circuits with MATLAB Computing, Second Edition . Bipolar RF transistors consist of an N-type or P-type layer sandwiched between two layers of the . 2 MHZ - 30 MHZ Power Transistor 2SC2879 .

http://www.globalspec.com/reference/60096/203279/3-4-transistor-amplifier-circuit-biasing

iPad Screenshots

Customer Reviews

added features are perfect

by missSusieBoo

Texas Star DX 800V Class AB/C HAM RADIO MOBILE LINEAR ...

BIG DADDY LINEAR AMPLIFIERS AND ACCESSORIES .

http://www.starelectronicsandcommunications.com/texasstardx800vclassabc.aspx

superb

by Kingkenny2011

Andrews Communications - RF Devices

Bypass circuit is rated to 500W; Inbuilt Bruene type RF wattmeter accurately . The DX-1600 is a class AB1 passive grid high power RF amplifier using the . SSB input Has a pair of 2SC-2879 linear characteristic transistors in push-pull.

http://www.andrewscom.com.au/site-section-06.htm

really useful

by Johnnybops

Download - RF Parts Company

Wire for RF Transformers . . . . . . . . .62. Filament & Low . commercially built amplifiers using SD1446, MRF455, 2SC2290,. 2SC2879, and similar transistors.

http://www.rfparts.com/pdf_docs/061%20Transformers.pdf

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Equipment for portable HF operations
Portable amplifier, battery and generator, 4. . your rig in your car, do consult a specialist used to work with RF fields and high power and a good advice, read the .
http://www.astrosurf.com/luxorion/qsl-portable4.htm
Seller: Joe Scrivens
� Joe Scrivens

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RF Power Transistors 2SC2879 IC,View IC,TOSHIBA Product ...

RF Power Transistors 2SC2879 IC-On this Product Details Page, You Can Find Comprehensive and . A global marketplace for online sourcing and shoppingA quick guide to using Alibaba.com . IC Infrared Transceiver Module TFDU7100 ( Integrated Circuits) . 2~30MHz SSB LINEAR POWER AMPLIFIER APPLICATIONS .

http://galaxyic.en.alibaba.com/product/359647855-209877714/RF_Power_Transistors_2SC2879_IC.html

Customer Ratings

Current Version:

12 Ratings

All Versions:

16 Ratings

rf amp circuit using 2sc2879