¿ªÔÆÌåÓý

Date
Re: Scan From 1404A Amplifier Manual
Jeremy, The reason I'm looking into those waveforms is that when I switch the amplifier to CHOP mode, the traces become a bit "fat". It appears there's some sort of high-frequency noise that's causing
By n4buq · #143614 ·
Re: 3577A info
See HP cat for TR sets and couplers, both 50and 75 should exit We used the S parameter test set often include with 3577. Jon
By Froggie the Gremlin · #143613 ·
3577A info
Did the 3577A have a separate instrument for 75 Ohms, or did the 3577A have an option for 75 Ohms? Is the conversion as simple as remove a minimum loss attenuator and change the connectors from 75 to
By Glenn Little · #143612 ·
Re: HP8560a smoke came out
It would be interesting to look up information on a quenched arc. The winding of the condenser and the unconsumed dielectric could form a tuned circuit as they are destroyed. ?? Bruce Gentry, KA2IVY
By greenboxmaven · #143611 ·
Re: HP8560a smoke came out
I had a CFL lamp fail spectacularly here in 240 volt land. Autopsy revealed a greencap had self-immolated and destroyed most of the electronics in the base as well as some of the connecting wires. .
By Morris Odell · #143610 ·
Re: Question Regarding Blanking in HP-1404A/140B
In an attempt to answer my own question, the chopped blanking signal from the 1404A is connected in the 140B to the junction of a 4700pF capacitor and a 1M resistor and the other end of that resistor
By n4buq · #143609 ·
Question Regarding Blanking in HP-1404A/140B
Could someone please tell me what a proper blanking signal from an HP-1404A vertical amplifier in an HP-140B should look like? I took a look at mine (image below) and I'm not sure what I'm seeing is
By n4buq · #143608 ·
HP 3585A Early SN info needed
I have an early SN 3585A on the bench that is needing calibration after I repaired one of the IF cards. ?This unit uses the original A11, A12, A13 version of the cards. ?everything that I can find
By Tim Wright · #143607 ·
Re: Agilent ESA L1500A / E4411A spectrum analyzer password for service menu?
-2010 is the password for ESA-E series.
By Razvan Popescu · #143606 ·
Re: Scan From 1404A Amplifier Manual
Perfect! That's what I was looking for. Thank you again, Barry - N4BUQ
By n4buq · #143605 ·
Re: New booklet
That was an enjoyable booklet. It should be noted that Advantest made quite a bunch of wonderful test equipment under their original name, Takeda Riken. I've got a TR 4172 SpecAn with tracking
By Matt Harris · #143604 ·
[OT] Mi2022E (was Re: New booklet)
Sorry for the Off Topic post...? I'll be brief... Hi Gianni. A Question if I may, about your Mi2022E... What firmware does it have installed?? Shown as it powers up on the front panel. "SOFT.001"
By Dave_G0WBX · #143603 ·
Re: Agilent ESA L1500A / E4411A spectrum analyzer password for service menu?
Hi, SYSTEM MORE 1/3 MORE 2/3 SERVICE -2010 ENTER Yves De : [email protected] <[email protected]> De la part de G H via groups.io Envoy¨¦ : 18 avril 2024
By Yves Tardif · #143602 ·
Re: Scan From 1404A Amplifier Manual
The original picture (original manual) is hard to read also but it appears to be 8volts. Try this scan. Chuck -- See Early TV at: www.myvintagetv.com
By ChuckA · #143601 ·
Agilent ESA L1500A / E4411A spectrum analyzer password for service menu?
Hello Group, I recently acquired an Agilent ESA L1500A E4411A spectrum analyzer. And I have a question regarding the service selection on one of the menu options. And while going through the menus I
By G H · #143600 ·
Re: HP8560a smoke came out
The most spectacular line condenser explosions I have ever experienced happened over 50 years ago. I was in high school and worked? at a TV shop. In the summer of 1968, a store told us they had
By greenboxmaven · #143599 ·
Re: Scan From 1404A Amplifier Manual
I've been looking for a reasonably-priced original but, so far, haven't found one. I bought one for the 1421A and it's very nice to have an actual paper manual where the images are readable! Thanks
By n4buq · #143598 ·
Re: Scan From 1404A Amplifier Manual
Thank you. I can see that one a bit better. I couldn't see the amplitude of the waveform in picture 4. Do you have the original manual? If so, can you see the graticule lines in those waveforms? I
By n4buq · #143597 ·
Re: New booklet
Wavetek, Park, EG&G, Stanford.... ...and I see a AI image on the cover.
By Edward Prest · #143596 ·
Re: New booklet
Thanks to everybody! For Marconi, I have in plan the 2022E Signal Generator, which I repaired first when I started again with the solder two years ago.
By Gianni Becattini · #143595 ·