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I'm waiting for my GBS card to arrive and test it. By the photos you need a sync separator, so I connected a LM1881 chip to extract h-sync and v-sync, and I'll test it on RGB input (as a MDA signal,

Hi, I see some very interesting photos? of the HP8924C with GBS8220 Video Converter. (mostly from wb7dmx and others, transferred from the old Yahoo! group) In some of them it seems the GBS8220 was

My experience with SRAM and Flash cards: I used an old Gateway laptop with WinXP. I could read/write an SRAM card just the same as if it were a drive. I could also read/write a Flash card that came

Hi Robert I think that we are both making the same point but using slightly different language. Somewhere I have an advertising flyer for the 8920A with splashed on the front page "New electronic

To repeat myself from the other group--- I have an 8935 RF gen goes down to 100KHz Wally

I made a longer post earlier but it does not seem to have been approved by the moderator yet. The A23 extended option list is in IODIAG2 (my not yet approved email said LISTOPT in error.) I've put a

Yes, that confirms that you have to check the individual instrument to be 100% sure. The information in catalogs indicate the 8920A should always have had a mechanical A23 module from new. I can find

The units with the relay based attenuator should also have the .4-1Ghz label on the front ..this is true for the A's and B's the early 8920A only had the relay based RF I/O? standard and the later

Hi Robert As I said I have little experience with the 8920B. The really confusing issue with the 8920A is the front panel which gives the range as 400KHz to 1GHz even when option 055 is not fitted. My

Bit of a cross post from HPAK group. For 250kHz signal generator usable output the 8920A/B must have a mechanical (relay) A23 output module. Option 055 was the normal option for a mechanical input

255 or 125 files? I remember in FAT that you could only put 125 (or 122?) files in the root dir Well, time to go after the other cards, I'm very curious about the "AM TESTS" card... Thanks for the

A small write-up to gather all the knowledge and data necessary to create a card https://tabajara-labs.blogspot.com/2021/01/como-gravar-um-cartao-de-memoria-no-pc.html (in portuguese, google

Hi, Glad you got it working. You can put as much software on the card as will fit or possibly 255 files max. No directories; they all go in the "root". The card I have has both RF tools and NA FM on

Just to update you all: I got an old notebook (toshiba L60?!) with pcmcia and windows XP. Inserted the HP 1MB SRAM card on it and copied the files of the RF Tools package to it. Worked flawlessly \o/.

Robert, I have NEVER EVER SEEN a pcmcia card works as a driver. But if you are saying, I'll give a try. I love to learn new things :D thanks for the tip! Enviado do meu Tele-Movel Em dom, 3 de jan de

I did some checks today and found the following. 1/ PC used old Sony laptop running XP and the "generic" PCMCIA memory card drivers from windows installled. 2/ Memory card was a SRAM 2m card with

Em 03/01/2021 11:04, Craig Harris escreveu: That is what solved my E8285A. It was a shorted tantalum cap on the 40V rail... -- ---8<---Corte Aqui---8<--- https://www.tabalabs.com.br

interesting that the MISC test passed when connecting DUPLEX to ANT. Would almost lead me to believe the loopback relay is bad or not getting activated during the selftest or a poor connection /

Servicing 101 is to first eliminate issues with the power supply. Granted keying high power into a sensitive cct is not advisable and can/will cause damage. (The Motorola units all have a fuse on the

Hello again, thanks for taking the time to reply. I have done a few more tests today to further isolate it down, I will start off with the 8920A the antenna input detector fails when I run the RF