7633

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Tektronix 7633
100 MHz multi-mode storage mainframe
Tektronix 7633 with 7A26 and 7B53A plug-ins. The Opt.3 378-0603-00 metallic mesh filter for EMI shielding is installed in front of the CRT.

Produced from 1974 to 1990

Manuals

Alternate Copies

N.B. For more info on the Low-Voltage Power Supply, see Manuals in the 7603 section.

Modifications

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

The Tektronix 7633 is a 100 MHz, multi-mode storage mainframe that accepts two 7000-series vertical plug-ins and one 7000-series horizontal plug-in. There is also a rack-mount version, the R7633.

The 7633 is essentially a 7623 with a reduced-scan mode added to boost stored writing speeds.

After the 7633 and 7934 were discontinued in 1990, the 7623B (which added the reduced-scan mode to the 7623 and therefore had essentially the same specs and features as the 7633) was the last analog storage scope model in the 7000 series, available until the entire 7000 family was discontinued in 1992.

Key Specifications

Bandwidth 100 MHz
Fastest cal. sweep 5 ns/Div
Display modes store, non-store, save
Storage modes fast variable-persistence, variable-persistence, fast bistable, bistable
Scan modes normal scan, reduced-scan mode for increased writing speed
Stored writing speed
Mode Reduced Scan Full Scan
fast var persist 2222 Div/μs 150 Div/μs
fast bistable 400 Div/μs 50 Div/μs
var persist 3 Div/μs 0.5 Div/μs
bistable 0.2 Div/μs 0.03 Div/μs
CRT 8 × 10 divisions @ 0.9 cm, Tek T7630 (154-0721-00) transfer storage tube, P31 phosphor
Acceleration voltage 8.5 kV (10 kV in the reduced scan mode)
Features
  • digital readout
  • calibrator, 1 kHz square wave, 40 mV, 400 mV and 4 V
  • camera connector, external Z-axis input
Power. max. 170 W (R-version 180 W)
Weight 13.6 kg (30 lb)

Internals

The 7633 uses a Transfer storage CRT which includes an internal, fast-responding storage mesh. In fast mode, the time base is inhibited after a sweep, and the transfer cycle is started. Individual sweeps therefore occur in about one-second intervals.

The 7633, like the other 76xx models, has a linear supply which does not provide +5 V for lights (A9) without modification.

Prices

Year 1974 1980 1990
Catalog price $3,650 $5,615 $10,500
In 2023 Dollars $22,700 $20,900 $24,700

Links

Documents Referencing 7633

Document Class Title Authors Year Links
Tekscope 1974 V6 N2.pdf Article A 1000 cm/μs Storage Oscilloscope Gene Andrews 1974
Tekscope 1975 V7 N3.pdf Article Storage Expands Your Oscilloscope Measurement Capabilities Dave McCullough 1975
Tekscope 1976 V8 N1.pdf Article Spotlighting Hidden Pulses Abraham Taghioff 1976

Pictures

Components

Some Parts Used in the 7633

Part Part Number(s) Class Description Used in
155-0011-00 155-0011-00 Monolithic integrated circuit clock and chop blanking 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
155-0022-00 155-0022-00 155-0022-01 Monolithic integrated circuit analog multiplexer 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 7A18N 7B52 7B53N 7D10 7D11 7D12 NT-7000 P7001
2N3055 151-0140-00 Discrete component general-purpose silicon NPN power transistor TM504 TM506 TM5006 7603 7613 7623 7623A 7623B 7633
CA3046 156-0048-00 Monolithic integrated circuit transistor array 7104 7403N 7503 7B53A 7D12 DM502 FG504 S-52 Telequipment D34 7603 7613 7623 7633
T7630 154-0721-00 CRT transfer storage CRT 7633

Custom ICs used in the 7000 series readout system

Page Model Part nos Description Designers Used in
155-0014-01 M019D 155-0014-00 155-0014-01 A/D converter Barrie Gilbert 7000 series readout system 7854 7934 7J20 7L5 P7001
155-0015-01 M020F 155-0015-00 155-0015-01 analog data switch Barrie Gilbert 7000 series readout system 7854 7934
155-0017-00 M025 155-0017-00 5 MHz decade counter Barrie Gilbert 7000 series readout system 7854 7934
155-0018-00 M026 155-0018-00 zeros logic control Les Larson 7000 series readout system 7934
155-0019-00 M027 155-0019-00 decimal point and spacing control Les Larson 7000 series readout system
155-0020-00 M028 155-0020-00 output assembler Les Larson 7000 series readout system
155-0021-00 M029C 155-0021-00 155-0021-01 timing generator Les Larson 7000 series readout system 7854 7934
155-0023-00 M160 155-0023-00 character generator (0 1 2 3 4 5 6 7 8 9) Barrie Gilbert 7000 series readout system
155-0024-00 M161 155-0024-00 character generator (↓ < I / + - + C Δ >) Barrie Gilbert 7000 series readout system
155-0025-00 M162 155-0025-00 character generator (m μ n p X K M G T R) Barrie Gilbert 7000 series readout system
155-0026-00 M163 155-0026-00 character generator (S V A W H d B c Ω E) Barrie Gilbert 7000 series readout system
155-0027-00 M164 155-0027-00 character generator (U N L Z Y P F J Q D) Barrie Gilbert 7000 series readout system