I figured out the 4.7 Ohm resistor and 240 uF cap. You must have been looking at the Century 22 schematic. It uses the same LM380 as the Century 21, BUT it has additional filtering on the 12V feeding the LM380.

First of all, this is quite different from the Ten Tec Century 21 although they both have direct conversion receivers. That means that you can tune to either side of the CW carrier. It …

PHP 482.21 shipping. or Best Offer. 100 watching. Sound Compressor Equalizer Board any HAM Radio transceiver IC- TS- FT- TEN-TEC. PHP 2,845.02. PHP 578.65 shipping. or The Ten-Tec Century 21 is an interesting transceiver.

Tentec century 21

Ten-Tec Century 21 QRP CW Transceiver | eBay Output continuos variable from 0- 10 to 15 W pep in CW. I recently wrote on another thread that I was interested in restoring a Ten-tec Century 21 but found it difficult to find one for a reasonable price. A QRZ.com member, I will call him Matt", made me an offer I could not refuse. Matt requested I post a thread so he could follow the progress as this was his first rig. A brief history. 2017-06-16 · Friday, May 21, 2017, I sent a message to Ten-Tec about parts for the Century 21. They responded yesterday with this message, Thank you for your email inquiry regarding parts availability and/or pricing. PicClick Insights - TEN-TEC CW HAM RADIO CENTURY 21 MODEL 570 and Keyer PicClick Exclusive.

After a number of years, and with improved patience and skill, I built a Heathkit HW-5400, which replaced a Ten-Tec Century 21 as my primary HF rig. I never did

The Century 21 Radio The Century 21 CW only transceiver was first introduced in the late 1970's. The radio is equipped with a rugged internal power supply and has a circuit breaker on the power ON / OFF switch to protect the final amplifier transistors in the case of an SWR mismatch.

UD89 Ten-Tec Century 21 570 $189.95 SOLD CW Transceiver The Ten-Tec Century 21 covers most pre-WARC ham bands. This 25 watt output CW transceiver has a meter and an analog dial. The rear panel has accessory inputs. 120 VAC. The Century system comes with the original Owner's Manual [11/06] U332 Ten-Tec Century 21D 574 $239.95 SOLD CW Transceiver

This rig is in overall good cosmetic condition. There is a small dent to the case as shown in the second to last photo. Transmit power output ranges from 50W on 80M and 30W on 10M.

180K. 21/81 Century Yaw Damper. 18 - 20 0200 - 0200 BARTG Spring RTTY Contest 3.5-7-14-21-28 TENTEC ökar !! LISTAN AVSER TIDEN 29 okt.
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Free shipping for many products! My old Ten-Tec Century/21 is a lot of fun to use and its direct conversion receiver makes CW sound beautiful. But the frequency dial is fairly imprecise so when I asked the station to QSY up 1kHz finding him again was a bit of a challenge. This morning I pulled my TenTec Century 21 off of the shelf and made some contacts with it.

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Case has scratching but not overly 282394093263 I repaired a Century 21 power supply board this past weekend, although it had a very different problem from Howard's. When I powered up the radio, there was an ear-splitting loud 60 cycle hum from the speaker, regardless of the volume control setting, and the regulated +12 VDC line measured +10.4 VDC. Ten-Tec Century 21 Mods?

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TenTec Century 21 in great condition. Post by n1ms » Sun May 03, 2009 2:34 pm Can you guys help me out I have a Century 21 that is in very good shape the only thing that is not perfedt is that te VFO will stick if it has not been used for extended periods of time.

Ten-Tec Century-21. A sample QSO with Bert W5ZR. CW speed is quite slow so you should be able to follow The Ten-Tec Century 21 transceiver is a great CW rig, with good sensitivity and flexibility. It has its eccentricities, but all-in-all, it's an inexpensive workhorse. One of this rig's really strong points is the PTO (Permeability-Tuned-Oscillator). UD89 Ten-Tec Century 21 570 $189.95 SOLD CW Transceiver The Ten-Tec Century 21 covers most pre-WARC ham bands. This 25 watt output CW transceiver has a meter and an analog dial.

Title: Ten-Tec Century 21 Transceiver Author: Jim Bartlett, WB9VAV Click Here to Report a Problem with this File.

ManualIncluded. Very Good, works well.

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