11401: Difference between revisions

Revision as of 10:08, 4 May 2018

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Digitizing scope Tek 11401 Produced from 1987 to 1989 Manuals 11401/11402 introduction please add free user manual see 11402/11403 for manuals of sister models please add service manual (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

The Tektronix 11401 is a digitizing scope with three plugins accepting 11000-series plugins and 7000-series plug-ins.

Using random equivalent time sampling, it can acquire up to eight channels at 300 MHz, six channels at 600 MHz, or up to 3 channels at 1 GHz. Resolution is up to 10 ps horizontal and 10 bits vertical, with 10,240 points of memory.

Note: The photos of the "Prototype 11401" are of a scope that said 11331 on the front panel.

The project manager of the 11400 series was Tom Rousseau, who was also project manager for the 7854. The 11400 engineering team included some of the main people from the 7854 project.

The 11401 uses the 156-2622-00 SDI controller IC (U330).

Vertical Signal Path

Each of the three plug-in bays in the 11401 has a dedicated sampler. The sampling clock is common to the three samplers. The sampling pulse is generated by an ECL 2-input OR gate being fed SAMPLE_CLOCK and delay_5ns(invert(SAMPLE_CLOCK)). This produces 5ns pulses with rise time around 1 ns. The 5ns pulses are fed to a discrete NPN differential pair operating in a clipping current-switch mode, resulting in faster edges. The output of the differential pair drive a strobe generator IC, U1040, which is an M453 die, packaged as part number 155-0320-00 or 155-0320-01, depending on the mainframe's serial number. U1040 has three sampling strobe outputs, which are fed to the sampling gates.

Specifications

please add

Links

Tek 11401 @ barrytech.com

Pictures

Prototype 11401 LV PSU diagnostic LEDs
Prototype 11401 LV PSU Control Rectifier
Prototype 11401 LV PSU Inverter
Prototype 11401 TImebase Board
Prototype 11401 Trigger 155-0239-02
Prototype 11401 acquisition board right
Prototype 11401 acquisition board left
Prototype 11401 acquisition board
Prototype 11401 bottom internal
Prototype 11401 bus signals
Prototype 11401 waveform compressor back
Prototype 11401 waveform compressor front
Prototype 11401 670-8858 board back
Prototype 11401 670-8858 board front
Prototype 11401 I/O board back
Prototype 11401 I/O board front
Prototype 11401 display side
Prototype 11401 display top
Prototype 11401 bus socket
Prototype 11401 bus
Prototype 11401 670-8855 board rear
Prototype 11401 670-8855 board front
Prototype 11401 1562472-00
Prototype 11401 memory board rear
Prototype 11401 memory board front right
Prototype 11401 memory board front left
Prototype 11401 memory board front
Prototype 11401 display controller right
Prototype 11401 display controller left
Prototype 11401 display controller
Prototype 11401 top internal
11401 right side
11401 rear

@@ Line 23: / Line 23: @@
 The 11401 uses the [[156-2622-00]] [[SDI]] controller IC (U330).
+== Vertical Signal Path ==
+Each of the three plug-in bays in the 11401 has a dedicated sampler.
+The sampling clock is common to the three samplers.
+The sampling pulse is generated by an ECL 2-input OR gate being fed SAMPLE_CLOCK and delay_5ns(invert(SAMPLE_CLOCK)).
+This produces 5ns pulses with rise time around 1 ns.
+The 5ns pulses are fed to a discrete NPN differential pair operating in a clipping current-switch mode,
+resulting in faster edges.
+The output of the differential pair drive a strobe generator IC, U1040, which is an M453 die,
+packaged as part number [[155-0320-00]] or 155-0320-01, depending on the mainframe's serial number.
+U1040 has three sampling strobe outputs, which are fed to the sampling gates.
 ==Specifications==