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schematics for HP54721 4G amplifier scope plug-in?
Greetings -
After searching the excellent lists from tbfowler, came up dry. Looking for service lit/schematics (have the operating manual) for this HP54720D scope 4G amp plug-in designated HP54721. The cal output on the plug-in is not working, i can visually trace but, much better to have schematics, board is multi-layer and I don't have extenders. Thanks! |
Re: Schematic for HP651B
Hi Scott,
That would be great. Thank you so much Mitch --- In hp_agilent_equipment@..., "Scott" <scott@m...> wrote: Hi Mitch,happy to scan the schematics and send them to you.HP 651B I am repairing. I have a service manual but it is for an older< egroup web/S=1705083663:HM/EXP=1068874649/A=1853618/R=0/*http:/www.netflix.co m/Defa ult?mqso=60178338&partid=4116730> click hereM=267637.4116730.5333196.1261774/D=egroupmai l/S=:HM/A=1853618/rand=921768773> |
Re: Schematic for HP651B
Scott
开云体育Hi Mitch, ? I have a 451B service manual somewhere. When I find it I’ll be happy to scan the schematics and send them to you. ? Scott ? ? I've stopped 3,696 spam messages. You can too! -----Original Message-----
From: aquaman8_2001 [mailto:aquaman8_2001@...] Sent: Friday, November 14, 2003 12:37 AM To: hp_agilent_equipment@... Subject: [hp_agilent_equipment] Schematic for HP651B ? Hello All, hp_agilent_equipment-unsubscribe@... Your use of Yahoo! Groups is subject to the . |
Schematic for HP651B
Hello All,
I am in need of the power supply and oscillator schematics for an HP 651B I am repairing. I have a service manual but it is for an older model than mine. My unit has a serial number of 811-03132. Can anyone help me out with a scan of the 2 foldout pages for this oscillator? I would really appreciate it. It is not significantly different from the older unit, but it appears that Si transistors replace the Ge units seen in the manual I have. To make matters worse, someone has been in there and made some changes/repairs that appear to be less than professional! Not sure anymore what are original parts and which have been changed! The parts pages which describe thea transistors and diodes used would also be helpful. Any help would be appreciated. Thanks, Mitch |
Only a few manuals left
Dave W8NF
I didn't expect to get such an overwhelming response!
To prevent lots of emails about manuals that are already spoken for, here's what's left, only 30 minutes after my last posting: === excerpts of original message === Most of the manuals are for relatively new equiment. Please realize the newer manuals, in 3-ring binders are heavy, so shipping can sometimes cost more than you'd expect. Prices shown below include USPS Book Rate in the US. That service can take 8-10 days, but quite a bit less expensive than the alternatives. Power Splitter - 11667A * Manual has some writing on the front. Low page count, this one is $2 delivered in the US. Multiprogrammer 6940A/6941A, Relay Output/readback Card, model 69433A * I don't even know what the thing is, but if you have one and need the manual, here it is. $2 delivered in the US. Actually, I think it's some sort of automatic data collection system. Power Supplies: E3620A. This is a recent power supply. This manual is surprisingly complete, with full schematics. There's enough info here that you could replicate this benchtop low noise power supply. This is the operating and service manual. $5 delivers it in the US. HP=IB conntrolled "system" power supplies: * This is just the operating and programming manual, no service info. Models 6632A, 6633A, 6634A. $5 delivered in the US. 73, Dave W8NF __________________________________ Do you Yahoo!? Protect your identity with Yahoo! Mail AddressGuard |
Re: Clearing out HP/Agilent equiment manuals
NR1DX
I'll Take the 3312A
Dave NR1DX At 05:59 PM 11/9/2003 -0800, you wrote: Hi all,Dave NR1DX nr1dx@... "A man who picks a cat up by the tail learns a lesson he can learn no other way" .... Mark Twain |
Clearing out HP/Agilent equiment manuals
Dave W8NF
Hi all,
Most of the manuals are for relatively new equiment. Please realize the newer manuals, in 3-ring binders are heavy, so shipping can sometimes cost more than you'd expect. Prices shown below include USPS Book Rate in the US. That service can take 8-10 days, but quite a bit less expensive than the alternatives. Microwave Power Meter: These manuals are for the new EPM series. EPM-441A/B is also known as E4418A/B, and EPM-442A/B is also known as E4419A/B. * User's Guide for EPM-441B (E4418B) * User's Guide for EPM-442A (E4419A) still shrink-wrapped * Programming Guide that covers both 441A and 442A $15 for all three, including Book Rate for 9 pounds in the US. Power Sensor - 8484A * Operating and Service Manual. Pretty small, $2 will deliver this one anywhere in the US. Microwave Sweepers - the outstanding 8360 series, including the 83620, 83630, 83640, 83650 and variations, including B and L models. * Troubleshooting Guide, still in the shrink wrap * Service Guide (not in shrink wrap but in like-new condition) The two together constitutes the instruments' entire service documentation $15 for the set, including Book Rate for 11 pounds in the US. * Also have a second troubleshooting guide for the sweepers, but not a matching service guide. $9 including Book Rate for 7 pounds in the US. Spectrum Analyzer - the 8560E high performance series. These manuals cover ALL the analyzers in that product line: * Mass Memory Module (that's the card reader on the back panel - has its own manual and it's needed to do programming, downloading, etc), Installation. Operating, Programming and Service Guide * User's Guide - this thing is HUGE and covers all the functions. * Calibration Guide - bigger even than the user's guide. Don't think you can calibrate the instrument with just a scope - this guide includes long lists of equipment and software required to do the cal, besides the procedures themselves. $18 includes Book Rate for 20 pounds in the US for all three. Function Generator - 3312A * Operating and Service Manual This one's light, so shipping isn't so bad. $4 delivers it Book Rate in the US. Power Splitter - 11667A * Manual has some writing on the front. Low page count, this one is $2 delivered in the US. Multiprogrammer 6940A/6941A, Relay Output/readback Card, model 69433A * I don't even know what the thing is, but if you have one and need the manual, here it is. $2 delivered in the US. Actually, I think it's some sort of automatic data collection system. Power Supplies: E3620A. This is a recent power supply. This manual is surprisingly complete, with full schematics. There's enough info here that you could replicate this benchtop low noise power supply. This is the operating and service manual. $5 delivers it in the US. HP=IB conntrolled "system" power supplies: * This is just the operating and programming manual, no service info. Models 6632A, 6633A, 6634A. $5 delivered in the US. I've been selling similar manuals on eBay for a few years, most of them came from buddies who left the employment of HP / Agilent and had me helping them unload remnants from their garages. These are the last bits I have sitting around and I just want them gone. First come, first serve, but am willing to entertain offers on the lot. 73, Dave W8NF __________________________________ Do you Yahoo!? Protect your identity with Yahoo! Mail AddressGuard |
Re: HP Meters
Ray Robinson
Hi Tom,
Anybody have a solution for the peeling meter facesI have photocopied the dial scale from a cataloge or manual, and glued it in place. You can cut out the window for the mirror (if it has one). The 1970 Hp catalog has 4 scales on page 173. I'd be interesetd in a better fix, but this looks OK. 73s RR vk2ilv |
Re: Digest Number 27
---------------------------
Tom, I've never seen one do that. But I've only had a few of them go through here (bought surplus and resold). My obvious suggestion would be to buy a parts unit and take the meter out of it. They are pretty inexpensive, nowadays. I'll check to see if I have any left. If so, I'll list them at (or you can drop me an email). If you want to go that route, you should also check www.ebay.com . You can also put an "auto-search" on ebay, so you'd be automatically emailed whenever anything matching your search came up for auction. Just go to "My Ebay" and then "Favorites". And, just in case one of their good warehouse sites is near you, you should also check out , since all you want is a parts unit. Good luck. Regards, Tom Gootee tomg@... ---------------------------- ---------- From: hp_agilent_equipment@...[SMTP:hp_agilent_equipment@...] Sent: Sunday, November 09, 2003 7:04 AM To: hp_agilent_equipment@... Subject: [hp_agilent_equipment] Digest Number 27 To unsubscribe from this group, send an email to: hp_agilent_equipment-unsubscribe@... ------------------------------------------------------------------------ There is 1 message in this issue. Topics in this digest: 1. HP Meters From: "Tom Dawson" <wb3akd@...> ________________________________________________________________________ ________________________________________________________________________ Message: 1 Date: Sat, 8 Nov 2003 12:59:30 -0500 From: "Tom Dawson" <wb3akd@...> Subject: HP Meters Anybody have a solution for the peeling meter faces commin on HP meters like the 400EL? 73 Tom Dawson WB3AKD wb3akd@... ________________________________________________________________________ ________________________________________________________________________ Your use of Yahoo! Groups is subject to |
PFcap query
Looking for some info on a broken cap..........Manual says it is a
selected part, with the ave value given as 5pf mica 10% 500vdcw (from Hi Q div of Aerovox Corp Olean NY)Hp part no. is 0150-008. This little pesky varmint looks just like a small resistor (1/8 dia,x 1/8 long)The colors are Blue/gray/white/gold, from what I can figure from all the old cap charts it should be 68pf or 6.8pf. Before it broke it measured I think around 9pf ( with it connected across double bannana jacks)Any clues on its replacement? Since this is in parallel with the scopes or meters input capacitance, its effect would seems to be neglegible. Survey says.............. Dave |
Re: Hewlett Packard Military Tube Type Oscilloscopes
Dave Brown
Robert
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For documentation you might like to check out the LOGSA site- Enter 'oscilloscope' in the 'TM Title text' search box. Definitely some AN/USM-140C info there but don't know how much. Possibly also other interesting info re your enquiry. Dave Brown Christchurch. NZ ----- Original Message -----
From: "rom777772003" <romhifi@...> To: <hp_agilent_equipment@...> Sent: Saturday, October 18, 2003 7:06 PM Subject: [hp_agilent_equipment] Hewlett Packard Military Tube Type Oscilloscopes Hello. |
Hewlett Packard Military Tube Type Oscilloscopes
rom777772003
Hello.
My name is Robert. I am in search of some of the older Hewlett Packard Military (tube type) oscilloscopes. I am currently in search of these (two) particular models and the manuals at this time; OS-121B/USM-140 AN/USM-140C I am also looking for a few other Military Hewlett Packard tube type oscilloscopes and manuals as well. I am willing to purchase them and pay for the shipping costs too. Is there any one of you folks who might have either one of these units for sale and or perhaps you could put me in touch with a person(s) and or a company who might have one or perhaps a few of them in (excess) stock? Enclosed is my e-mail address and home phone telephone number for someone and or a company to reach me at. e-mail address; romhifi@... Home#; 360-459-1874 Also, I am also open to swap/trades for these types of equipment and for those who are interested you are welcome to contact me. Thank you for your time and have a nice day. Respectfully, Robert |
Re: 8753C
Dave W8NF
Tom,
Couple of options for you: 1) HTML file (missing some graphics) that lists the available commands for 8753C, D, and similar boxes. Doesn't tell you how to use them. It's a small file, 123kb. I'll email after this email in case you're needing something fast. 2) I have a .pdf of the programming guide for the D model of the instrument. In addition to the comprehensive description of all commands, it's got lots of programming examples. Because it's 1.2Meg, I don't want to send unless you tell me to. 3) I have the original "programming notes" for the 8753A/B in printed form. Would take some time but I could copy and send to you. This might be the closest thing to an 8753C manual I can get. Not sure why the "c" doesn't seem to have docs. AND, in case you are running up against "The Common 8753A/B/C Programming Problem": In theory, the HPIB commands can be terminated either by an assertion of the EOI line (a hardware wire in the HPIB interface), or by the correct "last" data character. CR or LF, I think are acceptable. Due to an indsiscovered omission in the 8753A/B/C, you MUST exert EOI for the box to accept a command. Isn't supposed to be that way. If you're using an HP-buit HP-IB card with any of HP's software, or if you are using an HP BASIC controller, the default setup is to establish EOI. However, this is not the default with the National Instruments cards and drivers, so you have to manually change that configuration if you're using non-HP cards or drivers. Will send the html file under separate cover. 73, Dave W8NF Message: 1 Date: Fri, 10 Oct 2003 16:14:56 -0400 From: "Tom Dawson" <wb3akd@...> Subject: 8753C Can anyone point me to a pdf or something on line with HPIB command list for the 8753? __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software |
Re: HP 8672A odd problem.
John Miles
How about the PD's reference and VCO inputs? My bet's on the YIG or tuning
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driver circuit, or one of the supplies associated with them. -- john KE5FX
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