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21. Re: [TenTec] Orion II A9 Board Failure...Again! (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Thu, 26 Jun 2008 13:18:40 -0700
The TenTec capacitors in my O 565 and O 566 were NOT Chinese made - nor were any others of which I am aware (about 5 other Orions) - they were made by Illinois Capacitor - the capacitors were of good
/archives//html/TenTec/2008-06/msg00459.html (13,499 bytes)

22. Re: [TenTec] ORION II TX gone (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Thu, 31 Jul 2008 10:28:05 -0700
Have you tried switching the load to ANT 2 ? Is the power supply current changing as you raise the power ???? Hank K7HP _______________________________________________ TenTec mailing list TenTec@cont
/archives//html/TenTec/2008-07/msg00409.html (10,522 bytes)

23. Re: [TenTec] Orion II FET drivers (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Wed, 8 Oct 2008 19:42:32 -0700
Anyone recognize the "HHF 16" that TT uses for their pushpull PA driver in the OII 566 . I cannot seem to get any hits Googling. Forgot to look and see if they were marked the same as what the schema
/archives//html/TenTec/2008-10/msg00082.html (8,160 bytes)

24. [TenTec] Fw: Orion II FET drivers (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Thu, 9 Oct 2008 09:15:51 -0700
For anyone interested - the part is a Mitsubishi RD16HHF1 - explains why I could not google it as HHF16 - Hank K7HP _______________________________________________ TenTec mailing list TenTec@contesti
/archives//html/TenTec/2008-10/msg00090.html (7,267 bytes)

25. Re: [TenTec] Orion II max Power (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Thu, 9 Oct 2008 16:58:00 -0700
Duane / Fotis - Turns out I have been looking at the 566 PA module for some different reasons than getting more power - but - the output devices are pushpull 2SC2290 bipolars - the driver for that st
/archives//html/TenTec/2008-10/msg00105.html (8,355 bytes)

26. Re: [TenTec] OII Notch Specifications (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Fri, 31 Oct 2008 20:11:00 -0700
I had not thought about the move of the notch between ver 1.3XXXX and the ver 2.0X or OII - but I know I have seldom seen any use for it on CW with 10 hz tuning steps for the notch center freq. I wor
/archives//html/TenTec/2008-10/msg00288.html (9,396 bytes)

27. Re: [TenTec] Orion Noiseblanker - OFF:H is not really OFF (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Mon, 3 Nov 2008 19:30:00 -0700
Very well clarifies it - but in the original Orion with some early 1.3xxx versions at least - even when it said the hardware blanker (off:H) to OFF it still was on !!!!! Where I live in a bed of high
/archives//html/TenTec/2008-11/msg00046.html (9,027 bytes)

28. Re: [TenTec] ORION II and FSK (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Fri, 5 Dec 2008 21:16:59 -0700
Oh , might as well try an "Orion salute" = Master reset - or the whole shebang - maybe its little brain got scrambled. Hank K7HP _______________________________________________ TenTec mailing list Te
/archives//html/TenTec/2008-12/msg00096.html (10,973 bytes)

29. Re: [TenTec] Lone voice in the wind (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Sat, 20 Dec 2008 11:15:15 -0700
Another lone voice - I also really like my OII - but sure wish both receivers were on same freq when both are using same vfo - not some 5 to 6 hz apart. 73 de Hank K7HP ______________________________
/archives//html/TenTec/2008-12/msg00253.html (9,368 bytes)

30. Re: [TenTec] Lone voice in the wind (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Sat, 20 Dec 2008 15:25:47 -0700
Carl and others - I have never encontered a condition with both rx on same freq, not to say it could not happen if both were general coverage . But I think it has to do with mathematical resolution l
/archives//html/TenTec/2008-12/msg00266.html (11,092 bytes)

31. Re: [TenTec] Frequency difference in dual receivers (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Sat, 20 Dec 2008 15:34:51 -0700
I have talked to guys who say the O1 was closer and in fact my 565 seemed to be more like 3 hz apart - I have had two 566 O's in the shack and they were both off 5 plus fractional hz. I never worked
/archives//html/TenTec/2008-12/msg00267.html (13,195 bytes)

32. Re: [TenTec] Orion Sub-Main synthesizer offsets (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Sun, 21 Dec 2008 09:33:19 -0700
DE K7HP DE VE3EA/YN1NT DE K7HP It looks to me like the A7-81917-6 MAIN and A7-81971-7 SUB codec use the same oscillator at 14.36 mhz with the MAIN codec being the active oscillator and that feeds a c
/archives//html/TenTec/2008-12/msg00273.html (11,274 bytes)

33. Re: [TenTec] OT: headphones (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Thu, 15 Jan 2009 09:37:32 -0700
Go to the SONY website and prowl around to service parts and you should find a listing. I have bought a couple replacement pairs for my SONY MDR-V6. To get in the vicinity - the box for mine was mark
/archives//html/TenTec/2009-01/msg00137.html (8,445 bytes)

34. Re: [TenTec] RF speech processors (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Tue, 3 Feb 2009 10:09:19 -0700
That is exactly how the Drake SP75 speech processor works - Hank K7HP _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/lis
/archives//html/TenTec/2009-02/msg00067.html (8,329 bytes)

35. Re: [TenTec] Centurion 422 Bias Circuit (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Thu, 5 Feb 2009 21:46:10 -0700
Just checked my Centurion circa Feb of 2005 and it is exactly the same as Bob's - 150 ma idle while QSK relays are still in . With the Orion even at 100 percent CW QSK DELAY the meter barely damps ou
/archives//html/TenTec/2009-02/msg00121.html (10,179 bytes)

36. Re: [TenTec] Ig drift on amps (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Sun, 8 Feb 2009 12:07:02 -0700
Looking at Gary's schematic attachment , it looks to me like the output network is a PI-L and the padders are at the "midpoint" rather than at the 50 ohm point. Dunno ham designs what TT designs a PI
/archives//html/TenTec/2009-02/msg00163.html (11,995 bytes)

37. Re: [TenTec] O2 output level with PSK aux (score: 1)
Author: "pfizenmayer" <pfizenmayer@qwest.net>
Date: Wed, 11 Feb 2009 19:50:43 -0700
Bob - I think your thought about 2nd harmonic may be a very significant factor. I know that in my original Orion 565 I was trying to do a AF freq response watching the RF amplitiude on a meter - Thin
/archives//html/TenTec/2009-02/msg00226.html (9,728 bytes)

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