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- |series=400-series scopes |align=right| $15,400 ...3 KB (391 words) - 15:30, 27 October 2023
- |summary=Portable 350/400 MHz 4-ch micro-channel scope {{Spec | Bandwidth | 350 MHz (2467B: 400 MHz) }} ...4 KB (593 words) - 11:15, 29 January 2024
- |summary=Portable 200/250/400 MHz 4-ch scope The '''Tektronix 2465B''' is a four-channel 400 MHz portable oscilloscope.<br /> ...7 KB (919 words) - 17:59, 22 January 2024
- |series=400-series scopes → see [[468/Repairs]] page ...3 KB (442 words) - 06:07, 15 December 2023
- {{Spec | Rise time | < 400 ps }} ...h are prone to failure due to internal growth of tin whiskers. See the '''Repairs''' tab about replacing these with 2N3906s. ...3 KB (400 words) - 05:57, 28 February 2024
- {{Spec | Maximum input | 400 V DC + peak AC, or 800 V<sub>p-p</sub> at ≤ 10 kHz) }} * [[224x PSU Repairs|2245 Power Supply Repair Information]] ...4 KB (510 words) - 14:40, 6 December 2023
- |series=400-series scopes ...be.com/watch?v=I6ODi7qSpYg Jim Williams repairs Tom Osborne's Tektronix 465B oscilloscope] (YouTube) ...10 KB (1,178 words) - 07:40, 30 December 2023
- |summary=400 MHz waveform-processing scope ...ktronix 7854 Waveform Processing Oscilloscope''', introduced in 1980, is a 400 MHz combined analog / digital ...16 KB (2,189 words) - 11:01, 29 January 2024
- there for more information. Notably, Ed Breya posted [[7S14/Repairs|detailed notes on the 7S14 bias cell issue]]. |align=right| $11,400 ...4 KB (641 words) - 04:54, 25 October 2023
- |series=400-series scopes {{Spec | Deflection | 2 mV/Div to 5 V/Div, 1−2−5; 400 μV/Div, 50 MHz with CH1 input connected to CH2 VERT SIG OUT }} ...7 KB (980 words) - 04:30, 11 March 2024
- | align="right" | $26,400 | align="right" | $32,400 ...9 KB (1,249 words) - 01:56, 15 March 2024
- {{Spec | Maximum Safe Input Voltage | 400 V (DC + peak AC) or 800 V<sub>p-p</sub> AC}} Tek 2230 open.jpg | During repairs ...5 KB (716 words) - 20:34, 14 January 2024
- {{Spec | External Horizontal Input | 100 mV/cm to 10 V/cm, DC to 400 kHz}} ...elector (inside cabinet) and voltage range selector (on rear panel), 50/60/400 Hz, 510 W, AC Fan }} ...11 KB (1,605 words) - 18:48, 2 February 2024
- * '''[[400-series scopes]]''', portable low-to-medium bandwidth oscilloscopes *[[400]] ...44 KB (4,373 words) - 06:56, 25 April 2024