Re: [time-nuts] schematics for a HP117a please

http://www.tubesandmore.com/ Has the 13CW4s for the loop antenna and 6CW4/6DS4s for the receiver. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com

Re: [time-nuts] schematics for a HP117a please

Well, I didn't get a manual with my receiver and I've never had it apart. I was just assuming that it used standard newvistors. Assuming is always a dangerous thing to do. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum

Re: [time-nuts] And you thought you were old

In case the moderators of this list are unhappy with this thread, it and other similar threads would be welcome on my fun with transistors list. In fact, the list owner, that's me, really enjoys them. See below my signature if you are interested. Regards. Max. K 4 O D S. Email: m

Re: [time-nuts] And you thought you were old

John Green wrote. Anyone remember the CK722 transistor? Yes. I have a couple of them in my collection of antique parts along with several selenium rectifiers and a few 1N21s.. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net

Re: [time-nuts] And you thought you were old

with him but I don't remember his name. That was a long time ago. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun

Re: [time-nuts] [OT] degaussing

and all purity and convergence adjusted. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun with transistors group send an email

Re: [time-nuts] Hands on digital clock

letters and numbers with my dad's folding ruler. I probably invented the 7 segment display without knowing it. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http

Re: [time-nuts] Low phase noise VCO

Bruce wrote. A full wave rectified sinewave has only even harmonics present. True, but it needs a center tapped coil. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http

Re: [time-nuts] Low phase noise VCO

If you start with a square wave odd order is all you can get but if you start with a pulse with a 25% duty cycle you can get even order. It's best to optimize the pulse width for the harmonic you want. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http

Re: [time-nuts] White LED's

buildings. This amounted to a measurable loss from the distribution line and the power company found him out and sued. The court ruled he had to pay for power used in the past and stop getting his power that way. Considering the source I don't think this is an urban legend. Regards. Max. K 4 O D

Re: [time-nuts] Conducting Bench Top Material

I've heard you can salvage some good rectifiers and maybe a transistor or two from dead CF bulbs. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com

Re: [time-nuts] Conducting Bench Top Material

Steve wrote. Wasn't life so much easier with valves (tubes)... Amen brother. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe

Re: [time-nuts] Conducting Bench Top Material - OT

Now that's one smart cat. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun with transistors group send an email

Re: [time-nuts] Digital Clock kit - no Integrated circuits!

Steve wrote. Bah humbug! Stupid modern day design, it'll never be any good, you need to use valves to make real gear :-) Amen brother, but it would sure heat your house in the winter. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net

Re: [time-nuts] Digital Clock kit - no Integrated circuits!

current being induced in it. That system was used until battery powered stepping motor clocks took over. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http

Re: [time-nuts] Digital Clock kit - no Integrated circuits!

The GR system did the same thing. There's wasn't sound proofed and really made a whine. I had a NASA surplus one running in my office for about a week when someone in the department needed a stable 1ms time reference. It didn't take me long to build one with 7490s. Regards. Max. K 4 O D

Re: [time-nuts] I like Nixie tubes!!

Mike. Do you happen to know a man named Carl Litzkow? He lives in Micanopy, or he used to. He and I have been friends since we were in the second grade together although we have lost touch lately. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http

Re: [time-nuts] Any Time nuts in AU?

And there's another timenut in Melbourne. Regards to all. Max Skop VK3YBA On Wed, Oct 7, 2009 at 7:53 PM, Ray Hudson hudson...@yahoo.com.au wrote: Just a test to see if I can send to the mailing list and to find out how many time nuts are in the land down under Thanks Ray. Send instant

[time-nuts] Atom of time?

to this. Does anyone know what might have been the origin of this number? My first guess was that it was based on gear ratios for the escapement but at 6.2333... atoms per second it seems a little fast for the clocks of that century. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com

Re: [time-nuts] Atom of time?

John asked. What was the Category? I don't remember clearly. It may have been history. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com

Re: [time-nuts] Atom of time?

Thanks. I'll look at this later. SWMBO wants me to mow the lawn. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun

Re: [time-nuts] Power Back-up

Ordinary car batteries are not tolerant of deep discharge. In a car they get charged almost constantly and even after a cold morning start they immediately get charged again. They are not designed for deep discharge and if used in such a service will not last long. Regards. Max. K 4 O D S

Re: [time-nuts] HP 106B quartz frequency standard...the story so far

Jim, I have a few old Fairchild transistors that would drop right in. They are AY9139 60V 4A Beta ~50 PNP Si. Much the same as 2N1701. Let me know and I'll pop some i the post. Max VK3YBA - Original Message - From: Jim Palfreyman jim77...@gmail.com To: Discussion

Re: [time-nuts] Lifetime of glass containers

I know that one way they used to make window glass was to blow a big glass bubble and then roll it flat. Pressure prevented flattening of the last little bubble. I have seen examples of this kind of glass at Saint Augustine FL. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com

[time-nuts] HP 117A Manual.

the inrush current to the antenna? I am hesitant to just take out the regulator and solder the ends of the wires together, excluding the ground of course. If anyone has a manual you have already scanned I would appreciate receiving it. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com

Re: [time-nuts] HP 117A

Magnus wrote. Now, we just have to come up with the next topic to confuse you with.. :) I'm not totally confused yet. I guess you aren't trying hard enough. :) Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http

Re: [time-nuts] HP 117A

Thank you. Do they give a number for the distance between the receiver and antenna? Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com

Re: [time-nuts] HP 117A

Mike wrote. Skin depth at 60 KHz is much larger than at HF frequencies, I knew that, why did I forget. I must be getting old. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site

[time-nuts] HP 117A

harder to keep things from oscillating at 60 kHz than it is at 14 MHz. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun

Re: [time-nuts] Geocities Shutting Down

Good. Thank you. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun with tubes group send an email to, funwithtubes-subscr

Re: [time-nuts] DSP WWVB Receiver Idea

on with the phase of the WWVB carrier that I haven't heard about? Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun

Re: [time-nuts] Geocities Shutting Down

Does this include Angelfire? I think they are a subsidiary of Geocities. Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun

Re: [time-nuts] OT: Basics of voltage calibration?

I have heard of standard cells being sent in for restandardization. Is there a type that can stand being shaken but not stirred? Regards. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site

Re: [time-nuts] OT: Basics of voltage calibration?

Hi Bill. I could use that DVM if no one else has spoken for it. Let me know and I'll give you my address off list. My email address is after my signature. Regards. One of the lurkers, Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum

Re: [time-nuts] GPS disciplined mechanical clocks

Hal Murray wrote. Sounds like good science fair bait. Are there similar demos? Can you get two tuning forks to beat if held next to each other but get in sync if their bases are touching? (or something like that) Yes. That's a standard sophomore physics demonstration. Regards. Max. K 4 O

Re: [time-nuts] DIY Frequency extension for HP Agilent 53181A, 53131A or 53181A

stages of amplification and a divider. Only need to ID the parts to copy and determine the pinout of the connector. The mounting holes would also have to be accurately positioned. Max - Original Message - From: Samuel D. [x86/CPC] s...@canardpc.com To: time-nuts@febo.com Sent: Sunday, 15

Re: [time-nuts] New topics (was Re: He is a Time-Nut Troublemaker....)

. Max. K 4 O D S. Email: m...@maxsmusicplace.com Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun with tubes group send an email to, funwithtubes-subscr...@yahoogroups.com

Re: [time-nuts] Oh the horror

Many times I have received shipments from well known electronics companies in which there was cushioning around and on top of the item but it was sitting on the bottom of the box. No sign that the packing had shifted, it had been packed that way. Regards. Max. K 4 O D S. Email: [EMAIL

Re: [time-nuts] Question on crystal jumps

but past experience has shown that it won't hold indefinitely. Since the balance wheel is also an oscillator I assume it will undergo these frequency jumps. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http

Re: [time-nuts] VNG sound files

long it will be before the U S government decides it can save money by taking WWV off the air. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe

Re: [time-nuts] Restoring GR 1120-AB Frequency Standard

Well, I won't cross that bridge until I am forced to. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun with tubes group send

Re: [time-nuts] Restoring GR 1120-AB Frequency Standard

. There was also a phase locked frequency multiplier with outputs at 10 MHz, 100 MHz and 1 GHz. The frequency divider module had outputs down to 1 PPS. After typing that I'm not sure the oscillator frequency is right. Maybe it's 1 MHz. I'm sure it's not 100 kHz. Regards. Max. K 4 O D S. Email

Re: [time-nuts] Restoring GR 1120-AB Frequency Standard

you had a very narrow range thermometer with a small capillary. You might be able to convert the existing thermostat to capacitive sensing. That is apparently what Magnus is suggesting. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum

Re: [time-nuts] Restoring GR 1120-AB Frequency Standard

Hmmm. That sounds like something to be stored away for the day when my thermostat goes bad. Sounds like it would work. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http

Re: [time-nuts] Nixie - tube clock - 16 Digit Readout !

How long are you going to live? Unless you are a vampire, the 2 and 0 can be hard wired. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe

[time-nuts] How to get 32.768KHz from 10MHz.

and calendars, etc. Any suggestions on how to do it?? Regards Max ps. I got sucked in good. Six months ago all I had was an HP 10811 and now I have another crystal oscillator, two rubidiums and a Trimble GPS. ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] Old Loran

. There was some frequency diversity as well. I never really understood how the old system worked. In the 60s a carefully designed ovened crystal oscillator could do about 1 part in ten to the ninth. In WWII I suspect it was an order of magnitude worse. Regards. Max. K 4 O D S. Email

Re: [time-nuts] Rb references for audiophiles?

I seldom post but I am really enjoying this thread. I haven't laughed so much in months. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe

Re: [time-nuts] Piezo Little Wonder OCXO

It would convert a 10.7 MHz if to 462 kHz if. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun with tubes group send an email

Re: [time-nuts] Xtal-like Colpitts Oscillator

with a higher ft. My personal experience is that it's easier to get an FET to oscillate in a colpits configuration. You won't be able to drive a 50 ohm load from an FET. A buffer of some kind will definitely be needed. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http

Re: [time-nuts] Rubidium Oscillators and Racal 1992

with new Silastic and pushed the new lamp in to the same depth. Allow to dry and a working oscillator. Initial start up took about 15-20 minuets before lock came on. Its not hard to do and well worth the result. Does anyoneone need a well used lamp slightly yellow in colour? Regards Max VK3YBA

Re: [time-nuts] Tracor 895A

Hi all, I also have a Tracor 895 and have a copy of the manual. It is all discrete stuff , no IC's. If you reqire a copy, that should be no problem. Max VK3YBA Subject: Re: [time-nuts] Tracor 895A Hi Nic these are difficult to find for free but Ridge Electronics have one for Tracor 895

Re: [time-nuts] Ronald Held's main question

Here's wishing you a marry time this Christmas and a happy leap second. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun

Re: [time-nuts] Chronometer contest sponsored by IEEE Spectrum

That's not good news. I guess I'll have to get one of those atomic watches. I think they receive their time reference from the GPS rather than WWVB. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http

Re: [time-nuts] Watches

. Only in an older watch, I guess. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun with tubes group send an email to, [EMAIL

Re: [time-nuts] Chronometer contest sponsored by IEEE Spectrum

, there has to be one, to set it right on. Then it would be much easier to tell how the crystal is aging. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com

Re: [time-nuts] LORAN-C antenna

); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY It is possible to tune a loop to resonate at the frequency of interest. I think that's what he was asking. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube

Re: [time-nuts] Parallel voltage regulators

in a parallel transistor and resistor to handle the warm-up current and it would switch out when the oven has stabilized at the lower current. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music

Re: [time-nuts] OT: Need HP 7475A Drivers for XP or Linux

Corel Photo Paint 8 to convert the files to almost any other graphics format. Regards. Max. K 4 O D S. Email: [EMAIL PROTECTED] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun

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