Service manuals, schematics, eproms for electrical technicians
DUMONT 274 OSCILLOSCOPE PART2 SM
Type: 
(PDF)
(PDF)Size
2.1 MB
2.1 MB
Page
14
14
Category
METER
SERVICE MANUAL
METER
SERVICE MANUAL
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DUMONT 274
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Relevant METER forum topics:
Hello!
Szereztem egy tektronix 465 os scopeot, de nem tudok róla semit és a neten is elég gyatra a felhozatal e téren. Ha tud valaki róla valamit vagy linket tud küldeni azt megköszönném!
Üdv mindenkinek!
A képen látható SOT23 SMD tipusát keresem
Műholdkereső műszer parabolafej 13/18V tápellátását vezérli.
LMB kimenet rövidzárba került és teljes mértékben szakadt minden lába közti mérés
Ezt a címet komolyan gondoltad?
Sziasztok!
Van egy TR-9178-as tápegységem. Ma aktív műterheltük a kimeneteket. A bal csatorna hibátlanul működik, viszont a jobb oldal nem tökéletes. Ha működés közben állítom az áramkorlátot, az hatással van a kimenő feszültségre. Ha nem állítom az áramkorlátot, akkor a kimenő feszültség stabil, még terhelés változás közben is. A bal oldalon nincs ez a jelenség. Van valami ötletetek, hogy mi lehet a probléma?
Hi guys,
I've obtained bare Wavetek 1175 Benchmark scalar analyzer without any probe and manual.
The problem was in power supply, now is ok, and problems persist without probes ( for Ch A and Ch B) and manual.
Wavetek description for probe is: Power sensor with dual balanced, zero bias, low barrier schottky diodes.
I cannot find original probes, but I will make probe, I have some experience with GHz milivoltmeter probes (HP3406A , TF2603 Marconi).
System have message : Absent probe, and probes is detected with 3 pins of microcontroller 87c196 on AD board.
I need service manual or the schematic diagram for original Wavetek probe.
Any help and advice is welcome.
I've obtained bare Wavetek 1175 Benchmark scalar analyzer without any probe and manual.
The problem was in power supply, now is ok, and problems persist without probes ( for Ch A and Ch B) and manual.
Wavetek description for probe is: Power sensor with dual balanced, zero bias, low barrier schottky diodes.
I cannot find original probes, but I will make probe, I have some experience with GHz milivoltmeter probes (HP3406A , TF2603 Marconi).
System have message : Absent probe, and probes is detected with 3 pins of microcontroller 87c196 on AD board.
I need service manual or the schematic diagram for original Wavetek probe.
Any help and advice is welcome.
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