New MRF286 Amplifier, -------PLEASE READ THIS PAGE FIRST

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This is an MRF286 23cm amplifier that resulted from many Months of Development and testing to derive the final excellent results. There are many Guy's to thanks for their assistance, last but not least is Dane Collins (CEO) of AWR/Microwave office and his support staff,and mostly the use of their EXCELLENT Design Software.

Anyone looking for a Driver for these Amplifiers See DEMI and the and the 23cm 2330PACK Far better than using a 150W single stag MRF286 Amp.

I can make the single device available if you want them to drive 16 Devices, or 2 X 4 Stage Amplifiers for 2KW +.

Pricing on what I have on Order is below near bottom of page .#PRICING

Plus shipping to you, Contact me, or E-mail: ve1alq(at)nbnet.nb.ca

Single Device Board as seen on AWR/MWO, going to production, $45.00USD + Shipping.

Location of Piston Trimmer, make sure it is High Q, I used Saphire Giga Trims

Heat Sink Size and recommended Minimum size

The new amplifier Video Feb16 2011

The Latest Video showing Power output at 2 Drive levels and non 3D measurements Feb18 2011

Image of Dynamic Load Line Curve and Importance of using Single ZENER Diode and Zener Thermal stability

Extraction process of the HP 4 Port Taconic 62mil 1oz Hybrid Combiner.

Parts List Schematic of Amplifier Board- Revised and in PDF Format March 30th 2011

Video showing True In Sute RF Current Flow at 1296 - March 17 2011

ZIP Package below, Right Click as Save as you wish

A revised version of the ZIP Package for the MRF286 23cm Amplifier
I may me contacted here
See Combiner 4 Dual AmplifierLayout

. Prices As of May 20-2011 All Funds are now in Canadian Funds Folks.

This is what I have remaining Folks....BOARDS ARE GONE except for 1 Single Device Boards.

...................................................More can be Ordered if Demand is there

MRF286 Dual Device Amplifier Boards available.... $62.00CDN Plus Shipping. Uncut Board but Scored for snaping apart.

4 Port HP Taconic Hybrid 62mil 2oz with directional Couplers for Coupling Output of 2 Dual Amps $53.00USD + Shipping. 11 of these remaining

8 Port RO4003C 32mil 1oz for Coupling Drive to 4 X 2 Stage Amplifiers $45.00 USD + Shipping. I have 12 remaining

8 Port Taconic 62mil 2oz 1200W Hybrid with Directional Couplers $107 USD each + Shipping. Cut for Termination

Cutting 8 port Taconic Hybrid. 7 of these remaining.

4 Port RO4003C Input Hybrid $35.54CDN Plus Shipping.

Please try to calculate your Shipping Cost by selecting a 12.5 X 9.5 Flate Rate Envelope.http://ircalc.usps.gov/

Any One looking for MRF286 Transistors and find them here for 18.00USD Each.

These work well, remove the flange mount and solder them in the same as the *S* version.

Looking for Heat sinks for this is the place (8 x 5.375" heatsinks) His E-mail sales(at)heatsinkusa.com Remove the (at) and insert @.

Piston Trimmers and ATC Caps in Europe www.rfmicrowave.it

Partial Assembly Manual of the MRF286 Amplifier More to Come...Uploaded Feb13-2011

If you wish 1 ,2, 3, or more please contact me ve1alq(at)nbnet.nb.ca, or mail form here My PayPal ID is: directly above, or my E-mail address.

PayPal Cost are ~3.2% within the USA, and approx. 4.3 % International, Including Canada.

I do not like promoting PayPal at all......Is you wish you can send Bank Draft, Personal Cheque, etc that is fine as well, anyhing that does not Bounce Like a Ball, hi.

Postal Address is on the Mail Form.

Regards & Thanks for now Darrell

Free ATC Caps Clip pack of 10 X 2 if different Value, or model, thanks to ATC.