ASTRON RS-35A MANUAL PDF

You probably came to this web page because you have an Astron supply that has problems. Note that the Astron supplies are advertised with peak duty amperage numbers and in continuous duty can supply only about half of the rated current that is, a twenty amp Astron can in reality supply only about ten amps continuously. Astron marketing gets around that by saying that in normal operation the user listens i. This gives time for the heat sink and pass transistors to cool down. In other words, the digits in the model number represent the peak intermittent current capacity.

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Jason Miller 28 days ago. Astron sent me a manual in e-mail. Not too much in there but you can never have too much info. Michael White 8 days ago. Thomas Edwards 14 days ago. Brian Allen 30 days ago. Jeff Jones 15 days ago. Astron also builds custom supplies for GE, Icom, E. Johnson, Kenwood, Motorola, Uniden and Vertex. Kevin Taylor 22 days ago. Thomas Roberts 26 days ago.

Astron rs 35m service manual. Reading stratedy three level guide. This amp comes in it's original. Christopher Edwards 10 days ago. Learn a quick way to see if the pass transistors are all working. Also an explanation of how linear power supplies operate. David Gonzalez 20 days ago. If you want to set the output voltage to something other. Donald Thomas 3 days ago. About the Author. Andrew is the owner of this blog and enjoys computer programming, building things, and photography. He's a pretty busy guy, which explains why updates to this blog are so infrequent.

Comments are closed. Daniel Moore 13 days ago. Robert Hernandez 12 days ago. Thomas Wilson 20 days ago. For example, the RSA can deliver up to 35 amps at If you buy a supply that has a continuous duty rating sufficient Steven Gonzalez 20 days ago. You should read this Astron Introductory Information article before any of the other articles here in the Astron section It has some very useful information on the Astron linear and switching power supplies, with background, history, model-specific information, both repair and modification suggestions, photos, and more.

Steven Edwards 22 days ago. Power Supplies. Power Supplies Astron power supplies feature solid-state electronic regulation, EMI filter, fold back current limiting for protection from excessive current and shorted output. Crowbar over-voltage protection is also provided on all models except the RS-4A. Thomas Moore 24 days ago. They use two 35A bridge diodes that are wired in parallel with three pieces of 10 busbar with no attempt at current equalization.

To use a Martha Stewart term, this is A Bad Thing, engineering-wise; at least the designer used current balancing resistors on the pass transistors. Edward King 4 days ago. Joseph Taylor 11 days ago. Astron RSA product reviews by real people like you. Only at eHam. Anthony Brown 2 days ago. William Jackson 22 days ago. Astron rs 20a Schematic Astron rs 20a Service Manual.

Astron rs 20a Service Manual Astron rs 70a Schematic. Source Abuse Report. Astron rs 20a. Note: there is an Astron Wireless Technologies company that Anthony Edwards 6 days ago. Anthony Johnson 4 days ago. Ford think electric car service manual Astron rs 35m service manual. It comes with a power cord, owners manual, service manual, and two filters. Astron RSA. This one I am only selling it because I swapped Daniel Baker 25 days ago.

Astron RSM Manual All of these factors combine to make repeater owners value reliability and ruggedness. I recently purchased the venerable Astron RSA, one of the most popular amateur radio power supplies. Jeff Adams 25 days ago. I often misplace items like this, so I'm hoping this will help me take better care of these.

I hope they might help others looking for the same info as well. Paul Moore 22 days ago. VR1 is a VLA varistor that conducts at voltages above V, protecting the supply against input voltage surges. Michael Thompson 21 days ago. Seiko is one of the few fully integrated watch manufactures.

We design and develop our own movements using leading-edge technology. Thomas Wilson 24 days ago. Read more. One person found this helpful. Comment Report abuse. See the review. Write a customer review. Customers who bought this item also bought.

Mark Evans 15 days ago. Astron Rsa Power Supply Manual The above model tag shows that an RS20 is rated by Astron at 16 amps continuous Many Astron power supplies work well for decades, a lot of the problems. Kevin Evans 1 days ago. Compliments of an unknown contributor. Astron RSM product reviews by real people like you. Edward Wilson 3 days ago. Add to Cart. Add to Wish List. Check Store Stock. Huntsville Store: Las Vegas: Skip to the end of the images gallery. Skip to the beginning of the images gallery.

Steven Jackson 12 days ago. Christopher Wright 28 days ago. Michael White 3 days ago. Rack Mounted Power Supplies. Charles Nelson 27 days ago. Only 1 left in stock - order soon. Ronald Lopez 24 days ago. Anthony Scott 12 days ago. Specializing in winning new designs for leading edge products, Astron is proud of the time to market, technical, and cost benefits we are able to offer our customers who are conceptualizing and building next generation and mission critical medical, avionics, automotive, industrial, and military products.

John Lopez 1 days ago. The Pyramid Gold Series linear power supplies are very similar in design and capacity to the Astron supplies. Supplies rated for 12A or less RS and under usually have 3-way binding posts on the rear for output terminals.

Thomas Hernandez 18 days ago. Christopher Anderson 2 days ago. George Robinson 18 days ago.

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Astron RS35A 35 Amp Power Supply

This thing is big and heavy. Most ham radio transceivers do not run directly off of mains AC power, but instead operate from about Keeping the power supply in a separate unit from the radio makes the radio lighter and cheaper, and allows the heat from the power supply to stay far away from the radio. It also allows a radio to operate easily off of 12V lead-acid batteries, or automotive electrical systems.

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A look at the Astron RS-35A

Note: there is an Astron Wireless Technologies company that makes some very nice antennas. It is a totally separate operation with no connections to the Astron Corporation that makes power supplies. Astron makes both linear and switching power supplies, and some other products. You should read this Astron Introductory Information article before any of the other articles here in the Astron section It has some very useful information on the Astron linear and switching power supplies, with background, history, model-specific information, both repair and modification suggestions, photos, and more. The Pyramid Gold Series linear power supplies are very similar in design and capacity to the Astron supplies.

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