Eico 730 modulation transformer
WebLike the 720 transmitter, the 730 featured a heavy copper-plated chassis and a nice low-profile design. The eye tube is used to monitor modulation levels. The octal socket on the rear panel includes the modulation … WebThe 730 instruction manual has a procedure for setting the output tubes' bias and balance. These adjustment went smoothly. Getting the modulator to interface with the transmitter …
Eico 730 modulation transformer
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http://amfone.net/Amforum/index.php?topic=47133.0 WebGet the best deals on EICO Vintage Electronics Parts & Accessories when you shop the largest online selection at eBay.com. Free shipping on many items ... An EICO ST40 power transformer . $79.00. $22.17 shipping. SPONSORED. Eico HF-30 Amplifier Service Manual *Original* $29.97. $3.89 shipping. SPONSORED. EICO HF-85 Tube Stereo …
WebProbably somewhat similar to the Eico 730 modulator except no clipping tube circuitry. Depending on plate voltage and iron, these type of modulators would work anywhere from 30 to 50 watts. ... At this point it would appear the 30 watt rating for the modulation transformer is the limiting factor--that means the transmitter power amp is running ... WebThis signal generator has five switchable ranges from 150 kHz to 36 MHz and with harmonics, is usable up to 100 MHz. The unit has a 400 Hz test tone which can be switched in and out. There are two old-fashioned "microphone" connectors on the front.
WebThe Eico only needs about 3 to 6 volts or so of audio for modulation. It is possible to run the Eico from just the typical low-impedance headphone output without the matching transformer, but a better match and modulation at reasonable playback levels is obtained with the transformer. WebThe Eico 730 Modulator provides AM plate modulation for a Class-C tube rf power amplifier having 100-watts input power. AboutPressCopyrightContact …
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Webburnt-out power transformer. I made the following modifications to the 730: (1) I removed the clipper stage and its associated components. (2) I installed a 40 hy 120 mill … how to center element in tailwind csshttp://amfone.net/Amforum/index.php?topic=47133.0;wap2 how to center css styleWebEico 730 without cover The modulator is designed for plate modulation of the matching Eico 720 transmitter or any transmitter with RF input power up to 100 watts or for driving a high power class B modulator. Like the 720 transmitter, the 730 featured a heavy copper-plated chassis and a nice low-profile design. michael anderle kurtherian gambit seriesWebThe new EICO model 730 is a superb, truly versatile modulator at low cost. It can deliver 50 watts of undistorted audio signal for phone operation — more than sufficient tomodulate 100%the EICO Model 72090-wattCW Transmitter or any transmitter whose RF Amplifier has a plate input power of up to 100 watts. The multi-match output transformer matches … how to center design in hatchWebBy springtime, I wil be driving the modulators on mine with a modified Eico 730, adding a mod choke, replacing the mod transformer, and rebuilding the tank circuit. It will be interesting to see what the observable differences are, if any. While the GK-500 is torn down, I'm using a GC-300, with very heavily modified audio. Nice radio! how to center crosshairs in a scopeWebThe Eico 730 modulator is a nice unit that can set up on top of the 720 with no problems at all. K1VZI Rating: 2009-02-23; A Long Lasting Classic ... Unusually rugged power transformer gave reliable service (unlike most Heathkits of the day). Could be "upgraded" to VFO control via an auxiliary jack and switch on the rear panel. There are 2 ... michael anderle - the kurtherian gambitWebThe Eico 730 50 watt modulator/ driver was introduced in 1958. According to the Eico ad in the 1959 Radio Amateur's Handbook, it was sold as a kit for $49.95 or wired at $79.95. ... The octal socket on the rear panel … michael anderle net worth