Ham Radio Downloads

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  Couplers, hybrids, circulators, isolators, splitter and combiner 

 

 

 

Evaluation of low-cost Chinese directional couplers 800-2500MHz for the 23cm and 13cm bands

 

June 9th
2020

 

Circulator Philips 2722 162 08591 for the 70cm band

 

May 17th
2020

 

High Power 2320-2400 MHz quadrature hybrid coupler

 

Feb. 7th
2020

 

S-band 90 degree hybrid coupler / branch line coupler

 

Feb. 5th
2020

 

Peripheral Mode Isolator WMI PMI-4444-2 

 

Jan. 28th 2020

 

Characterization of unknown 13cm band isolator

 

Jan. 28th
2020

 

Characterization of unknown S-band isolator 3T-74/097 REV.B

 

Jan. 27th
2020

 

Characterization of the Renaissance 3A4NCG circulator in the 13cm band

 

Jan. 26th
2020

 

ALCATEL FERROCOM 20B1-31 circulator for 1700-2300MHz

 

Jan. 26th
2020

 

Marconi F1094-11 isolator for 1700-2400MHz

 

Jan. 25th
2020

 

Unknown isolator for the 70cm band

 

Nov. 18th
2019

 

Isolator N70522774 from Xiangyu China for the 13cm band

 

Nov. 17th
2019

 

Isolator N70522768 from Xiangyu China for the 23cm band

 

Nov. 17th
2019

 

2400 MHz 90 degree hybrid coupler for instance for QO-100

 

July 27th
2019

 

Description of the Isolator Melabs Model H350-153,4T

 

Sept 16th 2018

 

Retuning a L-Band branch line coupler

 

May 10th
2018

 

Description of the MASPRO 2SPN8 Satellite 2-way Splitter

 

Nov. 1st
2017

 

Description of some surplus Power Dividers from Merrimac

 

July 1st
2017

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