Heathkit Educational Systems PC System Servicing PC System Troubleshooting A+ Certification Test Prep PC Monitors Course PC Laser Printer Maint. & Repair Networking Tech. & Practices Network + Certification Test Prep. Network Topo & Copper Cabling Fiber Optic Cabling Fiber Optic Theory & Applications Principles of Electronic Comm. Telephone Systems Wireless Comm. Fundamentals Wireless ...
Heath 336 Manual for High Voltage Probe. Compliments of Garey Barrell, K4OAH. 337C Manual for Demodulator Probe. Compliments of Garey Barrell, K4OAH 342 Manual for Low Capacity Probe. Compliments of Gary Harmon, K5JWK and Garey Barrell, K4OAH. AG-10 Manual for the Heathkit Sine-Square Wave generator model AG-10. Compliments of Andre Frechette, VE2FAB. AM-1 Schematic and partial manual for ...
Welcome to The Heathkit Virtual Museum, a tribute to the Heathkit era--a time when building electronic kits was a favorite pastime for many electronics hobbiests. This commemorative virtual showcase takes you back to the Heathkit age which began in the late 1940's and lasted through the 1980's. Revisit your favorite kits and experience once again that excitement of building your first kit--and ...
Repair guides HP-23R boards The Protector Tips & Repair hints ARR.L Heathkit data base SB-104 LED Display Boards Resources E-mail me The HW-8 Handbook! NOW TAKING ORDERS FOR THE HP23 POWER SUPPLY BOARDS! The Protector Heathkit SB-104A repair guide Welcome to The Heathkit Shop! Here's you'll find all kinds of information, PC board layouts, hints and kinks and case histories of some of the most ...
Heathkit Amateur Radio Repair, parts, and manuals. Amateur radio equipment sales and service.
www.rtoham.com/html/heathkit.html
Low Cost Drive Pot Replacement by Norm, WB2SYQ A common component failure in lower power AM transmitters is the RF drive potentiometer. This pot is usually a 4 watt wirewound type which controls the screen voltage on the driver tube. Although this article details a replacement for the DX-100, similar pots are found in the Viking I & II, Valiants, Eico 720 and many others. This pot recently ...
www.amwindow.org/tech/htm/drivepot.htm
Filters for Heath Radios Heath: All HF Models Reference 2701L 2702L 2708 2709 Filter Fits By: Rework Rework Drop In Rework Bandwidth at 6dB 250 400 1800 2100 Mode CW CW SSB SSB Center Freq. KHz 3395.4 3395.4 3395.0 3395.0 PRICE $105 $105 $105 $105 Notes: 1. Specify model of radio when ordering. 2. Late models (8830 kHz IF) see Kenwood filter tables. Specifications: 1. Ultimate rejection: 80 dB ...
www.qth.com/inrad/heath.htm
Most of the AM'ers endevour to improve their audio, at least in the area of distortion. One area which is seldom examined is whether the class C final reproduces an output signal in exact accordance with the modulating waveform. I examined this carefully a while back, with my then 6146B powered DX100 final. (It's since been changed to a pair of 813's, another subject!!) The trapezoid scope test ...
www.amwindow.org/tech/htm/scrnmod.htm
DX-100 Audio Modifications by Tim Smith, WA1HLR Speech Amp Mic Circuit Most people prefer to use a high-Z mic like a D104. These mods are designed to work best with a D104 or other hi-Z mic. Anything else can be used once these mods are implemented. Hi-Z mics like to see an input impedance of at least 5 MegOhms or greater. The grid resistor should be anything from 5 to 10 MegOhms, with a 100pf ...
www.amwindow.org/tech/htm/dx100.htm
DX-100 Modifications by Ed - AA8TV Audio Mods 1) Replace cathode caps from pin 8 of the 12AX7 to gnd with a 220uf 35v electrolytic and 1uf 35v tantalum. 2) Replace 510pf coupling cap between pin 6 of the 12AX7 and the volume control with a .05uf 600v metalized polyester film. 3) Remove the 2uf cap from pin 3 of the 12AX7 to gnd. Pin 3 will be the point where negative feedback is injected. See ...
www.amwindow.org/tech/htm/dx100/dx100.htm
Modified Speech Audio for the DX-60 by KS3K Back to the Modifications Page 20 March 1997 ...
www.amwindow.org/tech/htm/dx60aud.htm
Heathkit Cross Reference Updated 6/4/02 Heath P/N Generic P/N Alternate 1 Alternate 2 Description Signal Diode 56-4 HD2257 Hughes Crystal Diode 56-5 HD6226 Hughes Crystal Diode 56-6 1N710 1N754 6.8 V Zener 56-7 1N2326 1.0 V 100mA Germanium V-Ref 56-8 ED-5 Erie Crystal Diode 56-9 1N294 Crystal Diode 56-10 G247 47pF Varactor 56-11 1N60A Crystal Diode 56-12 1N2940 Crystal Diode 56-13 1N5943A ...
www.d8apro.com/heath3.htm
Heathkit DX-35 transmitter The Heathkit DX-35 appears in Radio-TV News Heath ads from July 1956 to December 1957. Designed for the 80 to 10 meter ham bands, including 11 meters, it uses stacked B+ for the 12BY7 oscillator and 12BY7 buffer tubes. Plate power input is 65 watts on CW and up to 50 watts on AM from a 6146. AM operation is screen modulated using a 12AX7 for audio and a 12AU7 as ...
oak.cats.ohiou.edu/~postr/bapix/DX35.htm
The WC3K DX-60 Mods by Bill - WC3K The Heathkit DX-60 transmitter is a very effective AM performer when used to drive the typical high power linear amplifier. The following is the most simple and effective portion of the WC3K DX-60 Modifications, first described in the May and November 2000 issues of Electric Radio magazine. They have been extensively proven through on air operation by numerous ...
www.amwindow.org/tech/htm/wc3kmods.htm
Heathkit Page Heathkit Manuals Heathkit Cross-reference Heathkit Parts available Current listings on eBay ID-4001 Adapter Board ID-4001 Adapter PC Software (VB) ID-4001 Trouble-shooting Tips Replacement Temperature Sensors Using 2 ID-4001's on 1 Remote Sensor NEW Heathkit BlueBook of Prices Prior to moving to California in 1975, I was employed by Heathkit in Benton Harbor, Michigan as a Design ...
www.d8apro.com/heath1.htm
Favorite Tube-Type Shortwave Receivers Home Up Front Newsroom Editorial E-Letters Features Glenn Hauser's SW/DX Report Glenn Hauser's Continent of Media Don Schimmel's Radio Intrigue Joe Carr's Tech Notes Radio Basics Frequency vs. Wavelength Modes and Modulation Call Sign Prefixes UTC/GMT Conversion Radio Terms Shortwave Radio Introduction to Shortwave Listening Tuning 150 kHz to 30 MHz ...
www.dxing.com/rx/gr54.htm
HW-101 Welcome to my new HEATHKIT Board. Post anything Heathkit! Wants, trades, mods, problems and items for sale. Keep the Green machine alive! HEATHKIT Trouble shooting guide --- TUBE CROSS REFERENCE HEATH TUBE SUBSTITUTIONS Free Counters @ baja.com ...
members3.boardhost.com/heath32a
Totally Heathkit / QRP Page A complete Heathkit HW-9 HF Station The Happy Family - HW-7, HW-8 & HW-9 A Heathkit HW-99 for the Novice Favorite Heathkit & QRP site's KB9JJA Heathkit Page QRP-Canada W3DX Heathkit page WB6FZH QRP page K0IMJ Heathkit page This page is STILL under contruction! ...
www.angelfire.com/rnb/mkx
SB-200 Resources Robert Norgards, KL7FM's notes on upgrading Heathkit SB-200 Linear Amplifiers! SB-200 Mods from the Mule. Radio Restoration Supplys from NC Total Electronics Heathkit Schematics from BAMA Harbach Electronics, supplier of parts for Heathkit SB-200 and 220 Linear Amplifiers! Some parts for the SB-200 can be located at RTO Electronics. RF parts is a good source of reLIlacement ...
www.westlawn.net/sk/sb200.html
Heathkit a Guide to Amateur Radio Products image currently not available by Chuck Penson WA7ZZE If you started Amateur Radio or in electronics with a Heath kit, you are going to love this new book. Due to corporate shortsightedness, much of Heath's history is now buried in a Michigan landfill. Penson however, with the help of some wonderful people, has been able to piece together a comprehensive ...
www.radiobooks.com/books/berhr.htm
Heathkits (Ham, Audio, Test) are my hobby, and I buy and sell, parts, assembly and operation manuals and copies, I am WD8AAM, ham amateur radio station licensed hobbyist also.
