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Total 6 documents matching your query.

1. [TenTec] RX-10 (score: 1): Author: jhgraves@gis.net (jhgraves); Date: Sun Feb 16 23:06:36 2003; I am about to start the rebuild of a RX-10... There is a large amount of hum as I peak the antenna.. My assumption is that the first thing to be done is to replace the caps in the power supply. Any o; /archives//html/TenTec/2003-02/msg00637.html (6,901 bytes)
2. [TenTec] RX-10 (score: 1): Author: winjones@ix.netcom.com (Winston F. Jones); Date: Mon Feb 17 12:42:18 2003; I don't believe the hum is caused by the filter caps in the power supply. It is known as common mode hum and it's very common in direct conversion receivers, such as the RX-10. I think the solution i; /archives//html/TenTec/2003-02/msg00649.html (8,016 bytes)
3. [TenTec] RX-10 (score: 1): Author: jh.graves@verizon.net (John Graves); Date: Tue Feb 18 15:54:36 2003; I am about to start the rebuild of a RX-10... There is a large amount of hum as I peak the antenna.. My assumption is that the first thing to be done is to replace the caps in the power supply. Any o; /archives//html/TenTec/2003-02/msg00694.html (7,030 bytes)
4. [TenTec] RX-10 (score: 1): Author: rohre@arlut.utexas.edu (Stuart Rohre); Date: Tue Feb 18 19:05:52 2003; It would be better to do an ESR test on the electrolytics before replacing some that might still be good. On direct conversion receivers, some care is needed to avoid picking up hum from a power supp; /archives//html/TenTec/2003-02/msg00709.html (7,799 bytes)
5. [TenTec] RX-10 (score: 1): Author: jhgraves@gis.net (jhgraves); Date: Tue Feb 18 22:45:47 2003; Thanks to everyone for the suggestions regarding the hum. I am now even more puzzled. I powered the RX-10 from my little switched 12V supply. The hum was the same. It seems to peak at the same point; /archives//html/TenTec/2003-02/msg00718.html (6,902 bytes)
6. [TenTec] RX-10 (score: 1): Author: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer); Date: Tue Feb 18 22:57:27 2003; Put a GOOD ground on your receiver. You can easily be depending on the ground through the power supply and the rectifiers are modulating that ground, whether linear supply or switching supply. A swit; /archives//html/TenTec/2003-02/msg00720.html (7,268 bytes)

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