Telequipment D75: Difference between revisions

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{{Spec | Bandwidth | DC Coupled DC to 50 MHz (-3 dB) and AC Coupled 2 Hz to 50 MHz (-3 dB) }}
{{Spec | Bandwidth | DC Coupled DC to 50 MHz (-3 dB) and AC Coupled 2 Hz to 50 MHz (-3 dB) }}
{{Spec | Deflection Factors | 5 mV/div to 20 V/div in 12 calibrated steps (1-2-5 sequence) }}
{{Spec | Deflection Factors | 5 mV/div to 20 V/div in 12 calibrated steps (1-2-5 sequence) }}
{{Spec | Timebase A | 2s/div to 100 ns/div in 23 calibrated steps (1-2-5 sequence) }}
{{Spec | Timebase A | 2 s/div to 100 ns/div in 23 calibrated steps (1-2-5 sequence) }}
{{Spec | Timebase B | 1s/div to 100 ns/div in 22 calibrated steps (1-2-5 sequence) }}
{{Spec | Timebase B | 1 s/div to 100 ns/div in 22 calibrated steps (1-2-5 sequence) }}
{{Spec | Trigger Modes Timebase A | Auto, DC, AC, HF Reject }}
{{Spec | Trigger Modes Timebase A | Auto, DC, AC, HF Reject }}
{{Spec | Trigger Modes Timebase B | Auto, AC }}
{{Spec | Trigger Modes Timebase B | Auto, AC }}

Revision as of 11:48, 15 December 2019

{{{manufacturer}}} 
50 MHz scope
Telequipment D75 with V4 and S2A plug-ins

Produced from 1975 to (?)

Manuals

Please add

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Telequipment D75 is a 50 MHz scope. It is a horizontal version of the Telequipment D83 with a smaller CRT.

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.

Key Specifications

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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