7B90P: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
Line 41: | Line 41: | ||
</gallery> | </gallery> | ||
{{Custom ICs|7B90P}} | |||
[[Category:7000 series horizontal plugins]] | [[Category:7000 series horizontal plugins]] | ||
[[Category:7000_series_programmable_plugins]] | [[Category:7000_series_programmable_plugins]] |
Revision as of 06:17, 16 August 2021
The Tektronix 7B90P is a digitally programmable 400 MHz time-base plug-in for the digitizing mainframes of the 7000 series.
Except for the sweep calibration screwdriver adjustment and the external trigger input terminator switch all other controls are programmable.
The local/remote state of the 7B90P is slaved to the local/remote state of the mainframe.
Key Specifications
Sweep | 10 ns/Div to 500 ms/Div (1-2-5), ×10 magnifier (down to 500 ps/Div), no variable sweep, adjustable and programmable holdoff |
---|---|
Excluded sweep | First 10 ns in 79XX programmable mainframes |
Trigger Sensitivity PP Auto Mode AC or DC | 125 mV or 0.5 Div up to 50 MHz, 375 mV or 1.5 Div up to 400 MHz |
Trigger Sensitivity Norm or Single Sweep AC | 100 mV or 0.3 Div up to 50 MHz, 250 mV or 1.5 Div up to 400 MHz |
Jitter | <100 ps at 400 MHz |
Ext. Trigger 1 MΩ // 20 pF | Max. 250 V DC+peak AC |
Ext. Trigger 50 Ω | Max. 1 W |
Sweep/Trigger Modes | Peak-Peak Auto, Auto, Norm, Single Sweep |
Internals
The 7B90P is controlled by a Motorola 6800 microprocessor.
Pictures
-
Front
-
Front
-
Right
-
Right
-
Left
-
A late version of the 7B90P with connectors for the 021-0374-00 GPIB decoder
-
Connectors for the 021-0374-00 GPIB decoder on a late 7B90P
Custom ICs used in the 7B90P
Page | Model | Part nos | Description | Designers | Used in |
---|---|---|---|---|---|
155-0049-00 | M079G | 155-0049-00 • 155-0049-01 • 155-0049-02 | sweep control with lockout | Bill DeVey | 335 • 464 • 465 • 466 • 475 • 475A • 475M • 485 • 5B31 • 5B40 • 5B52 • 5B42 • 5B44 • 7B53A • 7B80 • 7B85 • 7B87 • 7B92A • 7B90P • 7B10 • 7B15 • SC502 • 7B42N • AN/USM-281C • 067-0657-00 |
155-0109-00 | M120B | 155-0109-00 • 155-0109-01 | trigger | Gary Vance | 5B25N • 5B31 • 5B40 • 5B42 • 5B44 • 5S14N • 7B50A • 7B53A • 7B80 • 7B85 • 7B87 • 7B81P • 7B90P • 7S14 • 7612D • SC502 • SC503 • SC504 |
155-0126-00 | M121 | 155-0126-00 | trigger source selector and P-P auto amplifier | Art Metz | 7B50A • 7B80 • 7B85 • 7B87 • 7B81P • 7B90P |
155-0135-00 | M171 | 155-0135-00 | custom legend generator | Roger McCoy • Mike Metcalf | 7A16P • 7B90P |
155-0164-00 | H526(?) | 155-0164-00 | time slot switch | 7A16P • 7B90P • 7A29P |