7934

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Tektronix 7934
500 MHz multi-mode storage mainframe
Tektronix 7934

Produced from 1987 to 1990

Manuals

Alternate Copies

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

The Tektronix 7934 is a 500 MHz Transfer storage CRT multi-mode mainframe that accepts two 7000-series vertical plug-ins and two 7000-series horizontal plug-ins.

It is the fastest analog storage oscilloscope ever built with 500 MHz of bandwidth, surpassing the 400 MHz 7834.

Key Specifications

Bandwidth 500 MHz with 7A19, 7A29
Rise time 0.8 ns with 7A19, 0.7 ns with 7A29
Fastest cal. sweep 0.5 ns/Div
Storage modes bistable, variable persistence, fast bistable, fast variable persistence
Writing speed 8800 Div/μs in fast variable persistence mode with reduced scan, 776 Div/μs in fast bistable mode with reduced scan
Storage time >30 s in variable persistence modes, >30 minutes in bistable modes (typically hours)
CRT 8×10 Div @ 0.9 cm/Div, 154-0780-01 with P31 phosphor, 10 kV acceleration (12 kV in reduced scan modes)
Calibrator 40 mV/400 mV/4 V into >100 kΩ; 4 mV/40 mV/400 mV into 50 Ω; 1 kHz
Power 90-132 V or 180-250 V, 230 W
Weight 17.2 kg (38 lb)

Internals

The 7934 makes extensive use of custom integrated circuits and hybrid circuits. With the exception of the on-screen readout circuit, the signal path is completely differential and all of the internal wiring is 50 Ω coax.

Connectors on the rear of the mainframe provide a sample of either the A or B compartment's output as well as either compartment's internal trigger signal. Only one connector is available for each function, and the compartment is selected by jumpers on a circuit board near the rear of the case.

Dennis Tillman wrote:

The 7934 is an uncommon scope because it came out late in the 7000 lifecycle (1987). For some odd reason it was not listed in the 1988 catalog but it reappeared in the 1989 and 1990 catalogs. In most respects it is a higher bandwidth 7834 which was discontinued after 1985. The 7834 was a 400 MHz scope, but the 7934 is the fastest analog storage scope Tek made at 500 MHz.

Prices

  Year 1987 1990
Mainframe only Catalog price $13,365 $15,100
In 2021 Dollars $32,500 $32,000
Mainframe with 2 × 7A19,
7B85, 7B80
Catalog price $22,755 $26,260
In 2021 Dollars $55,400 $55,600

Links

Pictures

Schematics


CRTs used in the 7934

Page Part nos Description Designers Used in
154-0780-01 154-0780-01 transfer storage CRT 7934

Custom ICs used in the 7934

Page Class Manufacturer Model Part nos Description Designers Used in
155-0009-00 Monolithic integrated circuit Tektronix M001 155-0009-00 horizontal lockout logic Les Larson 7504 7514 7704 7704A R7704 7834 7844 7854 7904 R7903 7904A 7934 7104
155-0010-00 Monolithic integrated circuit Tektronix M004 155-0010-00 chop divider and blanking Les Larson 7504 7514 7704 R7704 7704A 7834 7854 7904 R7903 7904A 7934 7104
155-0011-00 Monolithic integrated circuit Tektronix M012 155-0011-00 clock and chop blanking Les Larson 485 7313 7403N R7403N 7503 7504 7514 7603 AN/USM-281C 7613 7623 7623A 7633 7704 R7704 7704A 7834 7844 7854 7904 7904A R7903 R7912 7912AD 7912HB 7934 7104 R7103 AN/USM-281C
155-0012-00 Monolithic integrated circuit Tektronix M015 155-0012-00 Z Axis Logic Les Larson 485 7504 7514 7704 R7704 7704A 7834 7844 7854 7904 R7903 7904A R7912 7934 7912AD 7912HB 7104 R7103
155-0013-00 Monolithic integrated circuit Tektronix M022 155-0013-00 155-0013-01 horizontal chop and alt. binary Les Larson 7504 7514 7704 R7704 7704A 7834 7854 7904 7904A R7903 7934 7104
155-0014-01 Monolithic integrated circuit Tektronix M019D 155-0014-00 155-0014-01 A/D converter Barrie Gilbert 7000 series readout system 7854 7934 7J20 7L5 P7001
155-0015-01 Monolithic integrated circuit Tektronix M020F 155-0015-00 155-0015-01 analog data switch Barrie Gilbert 7000 series readout system 7854 7934
155-0017-00 Monolithic integrated circuit Tektronix M025 155-0017-00 5 MHz decade counter Barrie Gilbert 7000 series readout system 7854 7934
155-0018-00 Monolithic integrated circuit Tektronix M026 155-0018-00 zeros logic control Les Larson 7000 series readout system 7934
155-0021-00 Monolithic integrated circuit Tektronix M029C 155-0021-00 155-0021-01 timing generator Les Larson 7000 series readout system 7854 7934
155-0022-00 Monolithic integrated circuit Tektronix M036 155-0022-00 155-0022-01 analog multiplexer Gene Andrews 147 148 149 335 468 1430 1441 1461 1900 1910 2220 2221 2230 5223 5403 5440 5441 5443 5444 5A38 7313 7403N 7503 7504 7514 7603 AN/USM-281C 7613 7623 7623A 7633 7704 R7704 7704A 7834 7844 7854 R7912 7912AD 7912HB 7904 R7903 7904A 7934 7A12 7A18 7A18A 7B52 7B53N 7D10 7D11 7D12 NT-7000 P7001
155-0067-02 Monolithic integrated circuit Tektronix M091B 155-0067-00 155-0067-02 155-0067-03 SMPS controller Joe Burger Gene Andrews 7704A 7834 7844 7854 7904 R7903 7904 7904A 7934 R7912 7912AD 7912HB 7934 7104 R7103 308 434 485 690 P7001
155-0173-00 Hybrid integrated circuit Tektronix 155-0173-00 155-0173-00 155-0173-05 vertical channel switch John Addis Wink Gross 7104 R7103 7904A 7934 EG&G N-AM-173A
155-0175-00 Monolithic integrated circuit Tektronix H476 155-0175-00 155-0175-05 broadband amplifier John Addis Wink Gross Carl Battjes 7904A 7912HB 7934 7104 R7103 7A29 7A29P 7F10 067-0587-02 067-0587-10 11A71 SCD1000 EG&G N-AM-173A
155-0178-00 Hybrid integrated circuit Tektronix H488 155-0178-00 155-0178-05 horizontal output amplifier Dave Morgan 7904A 7912HB 7934 7104