Linear Power Supply Design and Theory. This is a PDF of an article from the December 2005 QST that explains how a power supply works, and uses an Astron RS35 as the" victim". Thanks go to the ARRL for permission to use their article, and to George Henry KA3HSW for scanning it and PDFing it.
I purchased this Astron RS20M power supply, used, off Ebay 5 years ago. I adjusted the meters on the unit and ran a test on it before putting it in service.
This supply is a dedicated supply for my Kenwood TM281 and operates flawlessly just about 247. model vs50m model rm35m model rs7a model rs35m model vs35m sl series rsl series rm series rsa series rsm series vsm and vrmm series astron power supplies heavy duty high quality rugged reliable rm20m 16 20 151 Created Date: 3: 47: 27 AM These Astron Corporation VS Series Linear Power Supplies offer continuous output current ratings from 9 to 57 amps at 13.
8 V, depending on the model. Adjustable current limiting is from 1. 5A to the maximum rated output! Front panel controls provide current limiting and voltage adjustment, while dual meters monitor the output condition. custom power supplies for radios below linear models new switching models ef johnson avenger gxmc41 ss10gx ss12gx ef johnson avenger gxmc42 These highquality power supplies are manufactured in the U. S. and carry a full one year limited warranty.
Models ending Aston vs 20m manual M feature a meter or meters. Jun 22, 2013 This video is about repairing a fellow ham's Astron VS50M linear power supply unit. Someone else had already been inside. In the end, the repair turned out ASTRON VS20ML 2 15 Volts Adjustable DC Linear Power Supply 16 Amps Cont 20 Amps ICS with Backlit Meters. HRO Discount Price: 154. 95 Buy It After Coupons& Promotions. Schematics and service information on Astron Power Supplies. Back to Home: Schematics and Service Information on The manual can be found here as a 2.
4 MB PDF file. VS20M 78 kB PDF, ASTRON CORPORATION SERVICE MANUAL FOR: RM50A, RM50M, RS50A, RS50M Originally had a 2009 schematic that did not match the parts list. Transcribed and updated by Robert W. Meister WA1MIK August 2015. ASTRON RS20M 11 15 Volts Adjustable DC Linear Power Supply 16 Amps Cont 20 Amps ICS with Meters.
HRO Discount Price: 134. 95 Buy It After Coupons& Promotions. Astron VS70M Table Top 70 Amp Variable Power Supply wMeters Manufacturer Astron.
Product Narrative Astron linear power supplies are heavy duty and solid state electronically regulated. TheAntennaFarm is an Authorized Astron Dealer. Astron VS50M product reviews by real people like you. Only at eHam. net. eHam. net is a Web site dedicated to ham radio (amateur radio).