Telequipment D75: Difference between revisions
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The '''Telequipment D75''' is a 50 MHz scope. It is a horizontal version of the [[Telequipment D83]] with a smaller CRT. | The '''Telequipment D75''' is a 50 MHz scope. It is a horizontal version of the [[Telequipment D83]] with a smaller CRT. The government version of the D75 is the [[Telequipment D755|D755]]. | ||
The D75 takes two plug-ins that are also compatible with D83, [[Telequipment D63|D63]] and [[Telequipment DM63|DM63]]. | The D75 takes two plug-ins that are also compatible with D83, [[Telequipment D63|D63]] and [[Telequipment DM63|DM63]]. | ||
Revision as of 13:12, 15 December 2019
The Telequipment D75 is a 50 MHz scope. It is a horizontal version of the Telequipment D83 with a smaller CRT. The government version of the D75 is the D755.
The D75 takes two plug-ins that are also compatible with D83, D63 and DM63. Vertical plugins include the V4 dual trace amplifiers, the V3 single channel differential amplifier, the V1 single channel amplifier, and the V5 single channel amplifier with delay line (primarily intended for the DM63/D63 mainframes that have no built-in delay lines, whereas D75/D83 do). Timebase plugins include the S1 single timebase and S2 dual timebase. Calibration fixtures include the 067-0672-00 plug-in for the vertical slot and the 067-0673-00 plug-in for the horizontal slot.
Key Specifications
}| Bandwidth | DC Coupled DC to 50 MHz (-3 dB) and AC Coupled 2 Hz to 50 MHz (-3 dB) |
|---|---|
| Deflection Factors | 5 mV/div to 20 V/div in 12 calibrated steps (1-2-5 sequence) |
| Timebase A | 2 s/div to 100 ns/div in 23 calibrated steps (1-2-5 sequence) |
| Timebase B | 1 s/div to 100 ns/div in 22 calibrated steps (1-2-5 sequence) |
| Trigger Modes Timebase A | Auto, DC, AC, HF Reject |
| Trigger Modes Timebase B | Auto, AC |
| Trigger Sources | CH1, CH2, Alternate |
| Input Voltage | max. 400 V DC + AC peak |
| Rise time | 7 ns |
| Input Impedance | 1 MΩ // 29 pF |
| Operating Modes | CH1, CH2, CH1/CH2 Alt, Chopped, CH1 and CH2 added, CH2 inverted |
| Sweep Modes | A only, A intensified by B, B delayed by A, A and B mixed, delayed B variable or triggered, repetitive or single shot |
| Delay Time | 10 μs to 20 s |
| Calibrator | ~1 kHz, 30 mV and 300 mV, 3 mA, square wave, ±1% voltage and current, ±20% frequency |
| CRT | 154-0676-10 tube, P31 phosphor, 15 kV acceleration, 8 cm × 10 cm graticule |
| Mains Voltage | 100 V - 125 V in 5V steps, 200 V - 250 V in 10 V steps, selected via primary voltage selector, 40 Hz to 400 Hz |
| Power Consumption | 85 VA |
| Dimensions and Weight | Height: 136 mm, Width: 380 mm, Depth: 470 mm, Weight: 11.4 kg |
| Temperature limits | Operating: -5°C to +40°C, Non-operating: -25°C to +70°C |
Links
Internals
According to this posting, the CRT is a 154-0676-10 Tektronix CRT, the same as in the 465.
Pictures
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Telequipment D75
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Telequipment D75
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Telequipment D75
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Telequipment D75
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Telequipment D75
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Telequipment D75
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Telequipment D75
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Telequipment D75
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Telequipment D75
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Telequipment D75
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Telequipment D75
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Telequipment D75 with V4 and S2A Plug-ins
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Telequipment D75 with V4 and S2A Plug-ins
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Telequipment D75 with V4 and S2A Plug-ins
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Telequipment D75 with V4 and S2A Plug-ins
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Telequipment D75 with V4 and S2A Plug-ins
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Telequipment D75 with V4 amplifier and S2A dual sweep unit
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Telequipment D75 with V4 amplifier and S2A dual sweep unit (front view)
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Telequipment D75 with V4 amplifier and S2A dual sweep unit (back view)
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Telequipment D75 with V4 amplifier and S2A dual sweep unit (top view)
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Telequipment D75 with V4 amplifier and S2A dual sweep unit (top view without cover)
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Telequipment D75 with V4 amplifier and S2A dual sweep unit (bottom view)
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Telequipment D75 with V4 amplifier and S2A dual sweep unit (bottom view without cover)
