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How to Use This Section - Read Before Posting
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Steve - K4HX
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7114
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January 17, 2011, 02:08:59 PM
by Steve - K4HX
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Audio Conversion for Johnson Viking I and II Transmitters
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Steve - K4HX
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0
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4600
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December 15, 2012, 11:32:53 AM
by Steve - K4HX
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Simple Method for Pi-Networks for a Range of Output Impedances
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IN3IEX
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5829
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October 04, 2011, 05:20:51 AM
by IN3IEX
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Design of Impedance matching networks (howto) for transmitters.
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IN3IEX
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0
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5122
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October 03, 2011, 07:57:02 AM
by IN3IEX
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Low Cost Drive Pot Replacement
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Steve - K4HX
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0
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5220
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December 16, 2012, 01:08:51 PM
by Steve - K4HX
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Modified Speech Amp/Driver for the 32V-3
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Steve - K4HX
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0
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5054
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December 15, 2012, 11:48:17 AM
by Steve - K4HX
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A Dual Band Ten Watt CW/AM Transmitter
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Steve - K4HX
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0
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15994
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March 10, 2018, 04:01:43 PM
by Steve - K4HX
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Design Criteria: Transmitter High Voltage Solid State Rectifiers
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Steve - K4HX
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0
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7216
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December 23, 2010, 07:53:35 PM
by Steve - K4HX
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National MB-40SL Multi-Band Tank Manual
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Steve - WB3HUZ
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0
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7234
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September 23, 2010, 11:16:16 PM
by Steve - WB3HUZ
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Heathkit Parts
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WA1HZK
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0
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14458
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January 09, 2010, 10:14:57 AM
by WA1HZK
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Valiant Modifications by WA1HLR
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Steve - K4HX
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0
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6345
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December 19, 2011, 07:38:41 PM
by Steve - K4HX
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Controlled carrier and audio mod for the Heathkit DX-40
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n1uvi
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0
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9682
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January 26, 2012, 02:54:35 PM
by n1uvi
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Viking Audio Mods from KS3K
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Steve - K4HX
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0
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4688
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December 15, 2012, 11:36:10 AM
by Steve - K4HX
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Simple Audio Modifications for the Globe Scout 680
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Steve - K4HX
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0
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4619
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December 16, 2012, 12:28:13 PM
by Steve - K4HX
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Extensive Ranger Mods from WA1HLR
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Steve - K4HX
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0
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7134
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December 15, 2012, 11:28:43 AM
by Steve - K4HX
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Simple Audio Mods for the Johnson Ranger
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Steve - K4HX
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0
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5038
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December 15, 2012, 11:24:45 AM
by Steve - K4HX
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DX-60 Audio Mods by KS3K
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Steve - K4HX
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0
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4999
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December 16, 2012, 12:42:10 PM
by Steve - K4HX
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T-368 Audio Mods by WA1HLR
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Steve - K4HX
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0
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8010
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December 16, 2012, 12:46:44 PM
by Steve - K4HX
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More power, less dissipation. RCA concept in ham class C transmitters
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Steve - K4HX
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0
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10423
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June 16, 2012, 06:23:35 PM
by Steve - K4HX
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Screen Modulation Optimization for the DX-100
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Steve - K4HX
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0
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6600
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December 16, 2012, 01:04:00 PM
by Steve - K4HX
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Hi-Fi Audio and modulator mod for the Heathkit DX-60 / Dx-40
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n1uvi
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0
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12010
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February 12, 2012, 12:54:20 PM
by n1uvi
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DX-100 Audio
Modifications by Tim Smith, WA1HLR
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Steve - K4HX
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0
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7490
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December 19, 2012, 10:58:35 AM
by Steve - K4HX
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Heathkit DX60 overmodulation prevention mod
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K4TLJ
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0
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9605
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February 04, 2009, 07:50:38 PM
by K4TLJ
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DX-60 mods by wa1knx
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wa1knx
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0
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7399
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June 15, 2017, 03:36:45 AM
by wa1knx
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DX-40 Circuit Improvements
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DMOD
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0
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12656
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July 14, 2017, 02:10:40 PM
by DMOD
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