Not sure how to calculate that right now but it is a great choke and should be fine in here.
The choke is and the capacitor is About the choke, the tube's data sheet says 2A max but as an amplifier the would only happen on in CW condition, so 1.3A should be enough. Only one caacitor will be used, and choke will also be used to get excellent regulation and avoid high peak current in the rectifiers. Major power supply components, all CCS rated, that is, designed to run 24x7 for decades and of course made in the United States: 5620V 3.5A (20KVA) plate transformer and a couple of 31.5uF 9.5KV oil-filled filter capacitors.
It is appropriate because this is amplifier designed for 100% duty cycle in any mode, and AM is especially difficult for any linear amplifier due to low efficiency at carrier level. The cuts on one side randomly ended up looking like "AM". Notches cut into the planks let them just fit. The length was a little tricky because some flanges projected into space disallowing the planks to rst on the front and rear support areas in the bottom of the racks. The width turned out to be a perfect snug fit. Adcock carefully measuring for the cuts on the 2x10 lumber to be the floor of the racks. Schematic of project (work in progress contains errors, last updated May 16, 2017)Ī first step: Mr. Progress is sporadic due to life responsibilities so updates will happen when they happen. 8-) No disrespect to those who make shiny things and replicas of classic apparatus. If there's no rust or patina, it's not a rat. It's somewhat of an art form of eyeballing and fast-track hardware hackery, and it does not mean poor work, bad parts, or low performance.
The term "Rat" is usually applied to vehicles but anything can be ratted. At such low cost it must also provide the cleanest RF output per dollar. The goal is to build a 3CX3000A7 amplifier, a so-called 'junkbox' amplifier because it's to be made with parts-on-hand or traded for, and minimum cash outlay. 3CX3000 Junkbox Amplifier Project 3CX3000 Junkbox Amplifier Project About this project:
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