Ham Radio Downloads

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  Couplers, hybrids, circulators, isolators, splitter and combiner 

 

 

 

Evaluation of an unknown unidirectional coupler for the 2m up to 13cm bands

 

May 1st
2024

 

Analysis of an L-Band 5-way Wilkinson Splitter / Combiner

 

April 28th
2024

 

Analysis of the Bendix TFC-6 circulator

 

April 25th
2024

 

Excellent isolator for the 13cm band of unknown type and brand

 

Feb. 9th
2023

 

Retuning Circulator TELEDYNE MICROWAVE C-1S13T-3 to 868MHz

 

Feb. 5th
2023

 

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

 

Jan. 22nd
2023

 

Circulator Kathrein France CHF 05080 for the 70cm band

 

Jan 15th
2023

 

2.4GHz 200W Circulator based on Skyworks SKYFR-000827

 

Oct 25th
2022

 

70cm High Power Circulator by retuning VALVO Band V Circulator

 

Oct 16th
2022

 

Unknown 13cm Circulator

 

Aug 7th
2022

 

2-6 GHz Isolator QUEST SM2060T02 characterized at 2.4GHz

 

June 2nd
2022

 

EME UHF-LVR Power and SWR Meter 430-2400MHz

 

May 24th
2022

 

Unknown 1.9-2.3GHz Isolator

 

Jan 22nd
2022

 

2400MHz Wilkinson power splitter/combiner

 

Jan 1st
2021

 

Isolator 1500-3000 MHz TMT H3930 for the 13cm band

 

Dec 21st
2021

 

Isolator AEROTEK E60-1L1FM for the 13cm band

 

Dec 19th
2021

 

Circulator SMT 1CY63 SMC1530 for the 13cm band

 

Nov 24th
2021

 

S-Band Isolator Western Microwave Model ICS-3113

 

Oct 14th
2021

 

S-band Isolator UTE Microwave Inc. CT-3240 OT

 

June 14th
2021

 

S-band Isolator Microwave Associates 7K948

 

June 14th
2021

 

Isolator ALCATEL FERROCOM 9A82-01 for the 23cm band

 

Dec. 15th
2020

 

Isolator N70522774 from Xiangyu China for the 13cm band

 

Dec. 14th
2020

 

23cm circulator C1214 and isolator I1214 from BONN Elektronik

 

Dec. 10th
2020

 

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

 

Marconi F1094-11 isolator for 1700-2400MHz

 

Jan. 25th
2020

 

Unknown isolator for the 70cm band

 

Nov. 18th
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

Please note that I retain the copyrights on all articles. If you want to make use of them other than for your personal purpose please send me a request to


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