Re: [time-nuts] Odd FTS 4060 Behavior - Update

2010-06-17 Thread Adrian
. Stanley - Original Message From: Adrianrfn...@arcor.de To: Discussion of precise time and frequency measurementtime-nuts@febo.com Sent: Mon, June 14, 2010 6:17:30 AM Subject: Re: [time-nuts] Odd FTS 4060 Behavior Bert, I was surprised how easy oven disassembly was. Remove the 4 (8

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-14 Thread Magnus Danielson
On 06/14/2010 05:45 AM, Glenn Little WB4UIV wrote: This is known as gold embrittlement. The gold has to be removed before a good solder connection is made. To remove the gold, tin the gold plated area. Desolder the tinning. Retin and remove the solder three times. This should remove the gold

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-14 Thread Adrian
Only the turned edge connector pins of the two PCB's inside the oven appear to have that problem. I looked under a good microscope, and the female contacts as well as the trimmer cap, both gold plated, looked good. Now 12 hours later, the 4060 is still running fine with no alarm light on and no

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-14 Thread EWKehren
Adrian, you did actually broke it down to the inside oven level. Is there any thing to look out for. I have a FTS 1200 that has a problem 2 Hz off but I have been reluctant to open it up. Any advice? Thanks Bert In a message dated 6/14/2010 6:02:38 A.M. Eastern Daylight Time,

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-14 Thread Robert Benward
and frequency measurement time-nuts@febo.com Sent: Monday, June 14, 2010 1:10 AM Subject: Re: [time-nuts] Odd FTS 4060 Behavior I do not know why the manufacturers insist on gold plating leads that are designed to be soldered. Silver plating seems like a better solution. Gold doesn't

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-14 Thread EWKehren
Thank you Adrian I did print out the instructions and one quiet day I will go for it. Thanks again Bert In a message dated 6/14/2010 7:17:58 A.M. Eastern Daylight Time, rfn...@arcor.de writes: Bert, I was surprised how easy oven disassembly was. Remove the 4 (8?) screws that hold the

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-14 Thread Raj
IMHO gold does not tarnish but below/above the amalgam of gold with solder the solder probably will. The best solder connect will be where the different metal layers amalgam deeply. A thicker gold plating should work better. AGlenn Little WB4UIV wrote: I do not know why the manufacturers

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-14 Thread Bob Camp
: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Raj Sent: Monday, June 14, 2010 11:48 AM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Odd FTS 4060 Behavior IMHO gold does not tarnish but below/above the amalgam of gold with solder

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-14 Thread Stanley Reynolds
: [time-nuts] Odd FTS 4060 Behavior Bert, I was surprised how easy oven disassembly was. Remove the 4 (8?) screws that hold the connector plate and pull it out. Take 3 layers of rubber foam out. Gently pull on the flex board to pull the oven out of the dewar (avoid pulling on the tiny coaxial cable

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-13 Thread EWKehren
...@febo.com]on Behalf Of Adrian Sent: Saturday, June 12, 2010 8:03 AM To: time-nuts@febo.com Subject: [time-nuts] Odd FTS 4060 Behavior I have a FTS 4060 Caesium Frequency Standard that I never managed to get working properly. When powered on, it locks properly after some 10

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-13 Thread Adrian
? -- john, KE5FX -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com]on Behalf Of Adrian Sent: Saturday, June 12, 2010 8:03 AM To: time-nuts@febo.com Subject: [time-nuts] Odd FTS 4060 Behavior I have a FTS 4060 Caesium Frequency Standard that I never

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-13 Thread John Miles
Interesting. Solder and gold don't like each other very much, and even the more respected manufacturers don't always seem to appreciate that, when they rely on a soldered connection to provide some mechanical stability. This isn't the first time I've heard of FTS oscillators behaving oddly, so

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-13 Thread ewkehren
Adrian, maybe I missed something which oscillator does your unit have? Bert -Original Message- From: Adrian rfn...@arcor.de To: Discussion of precise time and frequency measurement time-nuts@febo.com Sent: Sun, Jun 13, 2010 6:08 pm Subject: Re: [time-nuts] Odd FTS 4060 Behavior

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-13 Thread Adrian
...@arcor.de To: Discussion of precise time and frequency measurementtime-nuts@febo.com Sent: Sun, Jun 13, 2010 6:08 pm Subject: Re: [time-nuts] Odd FTS 4060 Behavior John, yep! The OCXO out of the 4060 and connected to a bench power supply with no tuning voltages applied had to be trimmed to get

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-13 Thread Glenn Little WB4UIV
This is known as gold embrittlement. The gold has to be removed before a good solder connection is made. To remove the gold, tin the gold plated area. Desolder the tinning. Retin and remove the solder three times. This should remove the gold which forms an amalgam with the solder. After the gold

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-13 Thread Hal Murray
I do not know why the manufacturers insist on gold plating leads that are designed to be soldered. Silver plating seems like a better solution. Gold doesn't tarnish so you can get a good solder joint after it's been sitting around for a while. There are enough hassles with lead that

[time-nuts] Odd FTS 4060 Behavior

2010-06-12 Thread Adrian
I have a FTS 4060 Caesium Frequency Standard that I never managed to get working properly. When powered on, it locks properly after some 10 minutes and keeps running until it jumps off by about +1E-7. That is, the 10 MHz output then reads 10,000,001 Hz, and the red alarm light is on. When I

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-12 Thread Stanley Reynolds
. Stanley - Original Message From: Adrian rfn...@arcor.de To: time-nuts@febo.com Sent: Sat, June 12, 2010 10:03:15 AM Subject: [time-nuts] Odd FTS 4060 Behavior I have a FTS 4060 Caesium Frequency Standard that I never managed to get working properly. When powered on, it locks properly

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-12 Thread John Miles
Of Adrian Sent: Saturday, June 12, 2010 8:03 AM To: time-nuts@febo.com Subject: [time-nuts] Odd FTS 4060 Behavior I have a FTS 4060 Caesium Frequency Standard that I never managed to get working properly. When powered on, it locks properly after some 10 minutes and keeps running until

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-12 Thread Adrian
To: time-nuts@febo.com Subject: [time-nuts] Odd FTS 4060 Behavior I have a FTS 4060 Caesium Frequency Standard that I never managed to get working properly. When powered on, it locks properly after some 10 minutes and keeps running until it jumps off by about +1E-7. That is, the 10 MHz output

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-12 Thread EWKehren
it for a long period of time with the loop turned off? -- john, KE5FX -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com]on Behalf Of Adrian Sent: Saturday, June 12, 2010 8:03 AM To: time-nuts@febo.com Subject: [time-nuts] Odd FTS 4060

Re: [time-nuts] Odd FTS 4060 Behavior

2010-06-12 Thread Adrian
-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com]on Behalf Of Adrian Sent: Saturday, June 12, 2010 8:03 AM To: time-nuts@febo.com Subject: [time-nuts] Odd FTS 4060 Behavior I have a FTS 4060 Caesium Frequency Standard that I never managed to get working properly. When powered