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422: Difference between revisions
Added Specs
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The '''Tektronix Type 422''' is a 15 MHz portable dual-trace oscilloscope introduced in 1966. | The '''Tektronix Type 422''' is a 15 MHz portable dual-trace oscilloscope introduced in 1966. | ||
It was available with an optional battery back for operation without mains power. | It was available with an optional battery back for operation without mains power. | ||
{{BeginSpecs}} | |||
{{Spec | Bandwidth | DC to 15 MHz}} | |||
[[ | {{Spec | Rise time | < 23 ns }} | ||
{{Spec | Sweep | 500 ns/div to 0.5 s/div}} | |||
{{Spec | Input Impedance | 1 MΩ ±2% // 30 pF }} | |||
{{Spec | Delay Line | 150 ns, internal delay line}} | |||
{{Spec | Input Voltage | Max. 300 V combined DC and peak AC }} | |||
{{Spec | Trigger Source | CH1 & CH2, CH1, External }} | |||
{{Spec | Channel Isolation | 100:1 at 40 KHz }} | |||
{{Spec | Calibrator | ~1 kHz ±20%, 2 V ext jack, 0.2 V internal, square wave}} | |||
{{Spec | CRT | [[T4220]] tube, P31 [[phosphor]], 6 kV acceleration (Post-def 4.9 kV), 8 × 10 graticule, 0.8 cm/div }} | |||
{{Spec | Operating temprature | -15 °C to +55 °C }} | |||
{{Spec | Line Voltage/Power AC PS | 110/115/125 OR 210/230/250 V<sub>AC</sub> ±10%, 45 Hz to 440 Hz, 40W}} | |||
{{Spec | Line Voltage/Power AC-DC PS | 92-137 OR 184-274 V<sub>AC</sub>, 45 Hz to 440 Hz, 11.5-35 V DC, 30W}} | |||
{{Spec | Dimensions | AC PS (H/W/D) 6.75/10.0/17.8 inches, AC-DC PS (H/W/D) 6.75/10.0/20.7 inches }} | |||
{{EndSpecs}} | |||
==Internals== | ==Internals== | ||
Early versions use an [[8056]] Nuvistor tube for the front-end cathode follower. | Early versions use an [[8056]] Nuvistor tube for the front-end cathode follower. | ||