DM5120: Difference between revisions
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{{TM5000 | mfg=Tektronix | type=DM5120 | function=programmable 6½-digit multimeter | class=multimeter | image=Tek_dm5120_5_straight.jpg | introduced=1989 | discontinued=1991 | | {{TM5000 | mfg=Tektronix | type=DM5120 | function=programmable 6½-digit multimeter | class=multimeter | image=Tek_dm5120_5_straight.jpg | introduced=1989 | discontinued=1991 | | ||
manuals= | designers= |manuals= | ||
* [[Media:070-7240-00.pdf|DM5120/DM5520 DM5120/5520 Instruction]]<br /><small>[[Media:070-7240-00_2.pdf|Alternate Copy]]</small> | |||
* [[Media:070-7319-00.pdf|DM5120/DM5520 DM5120/5520 Service]]<br /><small>[[Media:070-7319-00_2.pdf|Alternate Copy 1]] / [[Media:070-7319-00_3.pdf|Alternate Copy 2]]</small> | |||
(all with schematics but missing most of the parts list) | |||
'''Firmware''' | |||
* [[Media:5120-800_v1.0.bin|5120-800 V1.0]] | |||
'''Calibration Backup''' | |||
* [ | * [[Media:5120cal.bin|5120cal.bin]] | ||
* [ | |||
}} | }} | ||
The '''DM5520''' is a standalone version, i.e. a DM5120 in a dedicated mainframe | The '''DM5520''' is a standalone version, i.e. a DM5120 in a dedicated, fan-less, mainframe based on the [[TM503B]]. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
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{{Spec | Input Impedance (AC Volts)| 1 MΩ // 120 pF }} | {{Spec | Input Impedance (AC Volts)| 1 MΩ // 120 pF }} | ||
{{Spec | Current ranges | 300 μA to 3 A in decade steps, DC or AC }} | {{Spec | Current ranges | 300 μA to 3 A in decade steps, DC or AC }} | ||
{{Spec | Resistance ranges | 300 Ω to 300 MΩ in decade steps, 4-wire mode available in | {{Spec | Resistance ranges | 300 Ω to 300 MΩ in decade steps, 4-wire mode available in 300 Ω to 30 kΩ ranges }} | ||
{{Spec | Features | | {{Spec | Features | | ||
* True RMS | * True RMS measurement (crest factor ≤3:1) | ||
* Calibration may be done manually through the front panel or via the [[GPIB interface]]. | * Calibration may be done manually through the front panel or via the [[GPIB interface]]. | ||
}} | }} | ||
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</gallery> | </gallery> | ||
==Components== | |||
{{Parts|DM5120}} | |||
{{Parts|DM5220}} | |||
[[Category:GPIB interface]] | [[Category:GPIB interface]] | ||
Latest revision as of 07:32, 6 December 2023
The Tektronix DM5120 is a programmable 6½-digit multimeter plug-in for the TM5000 system.
The DM5520 is a standalone version, i.e. a DM5120 in a dedicated, fan-less, mainframe based on the TM503B.
Key Specifications
| Resolution | ±3,029,999 counts (6½ digits) in DC Volts and Ohms, 5½ digits otherwise in fast mode |
|---|---|
| Voltage ranges | 300 mV to 300 V in decade steps, DC or AC |
| Input Impedance (DC Volts) |
|
| Input Impedance (AC Volts) | 1 MΩ // 120 pF |
| Current ranges | 300 μA to 3 A in decade steps, DC or AC |
| Resistance ranges | 300 Ω to 300 MΩ in decade steps, 4-wire mode available in 300 Ω to 30 kΩ ranges |
| Features |
|
Internals
The DM5120 shares its analog section design with the Keithley 196, minus the front/rear switch.
The instrument's internal voltage reference is based on the LM399.
Pictures
Components
Some Parts Used in the DM5120
| Part | Part Number(s) | Class | Description | Used in |
|---|---|---|---|---|
| AD637 | Monolithic integrated circuit | Wideband RMS/DC converter | DM5120 • DM5520 | |
| LM399 | Monolithic integrated circuit | Heated zener reference | DM5120 • DM5520 | |
| Motorola 6809 | 156-1494-00 • 156-1494-01 | Monolithic integrated circuit | 8-bit microprocessor | 2424L • 2440 • 7D20 • DM5120 • DM5520 |
| TMS9914 | 156-1444-00 • 156-1444-01 | Monolithic integrated circuit | GPIB controller | 2221 • 2230 • 2424L • 2440 • 4052A • 4054A • 021-0374-00 • 067-1137-99 • DC5009 • DC5010 • DM5010 • DM5120 • DM5520 • MI5010 • SG5010 • SG5030 • SI5010 • PS5004 • PS5010 |
Some Parts Used in the DM5220