Re: [time-nuts] Acam TDC's

2014-04-05 Thread Bruce Griffiths
GP21 eval kit about 300 Euro GP21 about 10 Euro each Bruce paul swed wrote: Angus Yes I did a fast check and couldn't find anyone in the US that seemed to carry it. The eval kit looks nice but will speculate its quite costly. That said I could see some uses for it like you say it has some thing

Re: [time-nuts] Acam TDC's

2014-04-05 Thread Bruce Griffiths
Sub 10ps resolution is achievable with a ringing LC circuit plus a suitable ADC. Bruce Don Latham wrote: AliExpress has them, 5 piece lot for $70 shipping to US $4.21. One claim I saw said in quad mode 22 ps resolution. H Don paul swed Angus Yes I did a fast check and couldn't find

Re: [time-nuts] Acam TDC's

2014-04-05 Thread Don Latham
Just requested quotes on chips and eval from american distributor. Funny you can buy the chips from the Chinese, no quotes, no fuss and cheap as hell shipping. In the US we still sell electronics as if they were 19th century goods; distributors, jobbers, wholesalers, retail if anyone will invento

Re: [time-nuts] Acam TDC's

2014-04-05 Thread Don Latham
AliExpress has them, 5 piece lot for $70 shipping to US $4.21. One claim I saw said in quad mode 22 ps resolution. H Don paul swed > Angus > Yes I did a fast check and couldn't find anyone in the US that seemed to > carry it. The eval kit looks nice but will speculate its quite costly. > Tha

Re: [time-nuts] Acam TDC's

2014-04-05 Thread paul swed
Angus Yes I did a fast check and couldn't find anyone in the US that seemed to carry it. The eval kit looks nice but will speculate its quite costly. That said I could see some uses for it like you say it has some things built in to eliminate false triggers and such. Just need to know if $1.59 or $

Re: [time-nuts] new GPSDO kit

2014-04-05 Thread Dave Brown
Sounds like an ideal reference for a microwave hilltopping event. DaveB, NZ (ZL3FJ) - Original Message - From: To: Sent: Sunday, April 06, 2014 6:19 AM Subject: Re: [time-nuts] new GPSDO kit Hello Brooke, Can you say more about what this means? "It generates a low-noise 10MHz si

Re: [time-nuts] Acam TDC's

2014-04-05 Thread Angus
Hi, It's not exactly cutting edge resolution etc, but for a ready to go chip, it's not at all bad. In theory, it looks like it should be useful in a lot of the places that counters like a 53131/2 get used, but it can sample very much faster than them. It also has useful temperature inputs. Most o

Re: [time-nuts] Racal-Dana tactile switches

2014-04-05 Thread EB4APL
Hi, I did the same kind of replacement in my garden irrigation timer. It had membrane switches and I replaced them by ones very similar to yours, but because the switches were of the flat sandwich type it needed quite mechanical work. Aesthetically the result was perfect, and the tactile fee

Re: [time-nuts] Racal-Dana tactile switches

2014-04-05 Thread GandalfG8
In a message dated 05/04/2014 22:10:50 GMT Daylight Time, b...@jimbixby.com writes: I finally had to dive into my Racal Dana 1992 counter, after it had developed several bad switches. I found that through-hole 6x6mm tactile switches with four leads will fit in the counter pcb holes diagonal

Re: [time-nuts] Racal-Dana tactile switches

2014-04-05 Thread Jim
Ulrich Bangert writes: > > Gentlemen, > > I know I am not the only one in this group to have difficulties with "weak" > tactile switches on Racal-Dana's 1991/2/6 range of counters. The other day I > talked to the chief technician at Rosenkranz-Elektronik which is one of the > biggest surplus

Re: [time-nuts] M12+T module questions

2014-04-05 Thread Jason Rabel
If you search mouser.com for part# M50-3120545 That's what I use... ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

[time-nuts] HP 10811 variants for sale

2014-04-05 Thread cdelect
Hi, I'm going through my collection of 10811 variants and listing them on ebay over the next couple months. Two 10811B are listed now. Watch user ID corbymite. Cheers, Corby Dawson ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go t

Re: [time-nuts] new GPSDO kit

2014-04-05 Thread paul swed
Jim In my comments I kind of thought the comparison would be obvious. New with warranty old/gamble. Said mentioned the 58503s are available for about $550. Thats indeed a nice unit. Last comment for me. This ain't no solder the pieces together gadget. Regards to everyone. Paul WB8TSL On Sat, Apr

Re: [time-nuts] new GPSDO kit

2014-04-05 Thread Tim Shoppa
Holdover requirement of 2 days I'm sure made sense for the Telco-purchased GPSDO's intended to be on 24x7x365 at cell base stations e.g. Z3801A. I'm guessing 2 days would be how long it would take them to get a crew there to replace a broken GPS antenna and they figured the extra cost of the OCXO w

Re: [time-nuts] M12+T module questions

2014-04-05 Thread Ernie Peres
Hi Jim, here is the typeSanyo ML621 ML 621 Rechargeable 3V cmos Backup BatteryNEW! available on ebay.. best regards, Ernie. HG5ED. -Original Message- From: Jim Miller To: time-nuts Sent: Sat, Apr 5, 2014 1:04 pm Subject: Re: [time-nuts] M12+T module questions Jim/Chri

Re: [time-nuts] M12+T module questions

2014-04-05 Thread Jim Miller
Jim/Chris Thanks for the connector/cable info. Regarding the battery: > I used a 2032 coin cell battery and holder I un-soldered from an dead PC motherboard. > Even a coin cell will last its shelf life at least. According to the manual the module is designed for a rechargeable type while the l