[R-390] R-390 Test Adapters

David Hallam collinsuser at outlook.com
Wed Sep 15 10:43:53 EDT 2021


I have a variety of test adapters needed to test and align an R-390 
receiver.  Some come from the test kits and others I have made up from 
the information in the R-390 manual and test equipment description.

Diode load

CX-1363/U Test Lead

SM-35 DA-109

DA 121A/U

R-390 RF Stage Alignment

CN- 1418/URM-191 Attenuator, Fixed 5:1

DA-650/URM-191 Terminal Unit 50 ohms Resistive

CU-439/URM-26B Network, Impedance Matching

CN-315/URM-26B Attenuator, Fixed 6 DB

CN-316/URM-26B Attenuator, Fixed 20 DB

2 – UG-684/U Connector Adapter

Variable Attenuator for Scope

Lot Price $35 plus shipping to your QTH
Pictures are available upon request  Email to collinsuser at outlook.com

-- 
*"Behind the ostensible government sits enthroned an invisible 
government owing no allegiance and acknowledging no responsibility to 
the people." Theodore Roosevelt*


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