7623: Difference between revisions

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7623-right.jpg | right side, storage logic board
7623-right.jpg | right side, storage logic board
7623A-6_Side_view_of_mounting_bracket-large.JPG | Sideview of mounting bracket
7623A-6_Side_view_of_mounting_bracket-large.JPG | Sideview of mounting bracket
7623A-5_Left-hand_mounting_bracket-large.JPG | Left-hand_mounting_bracket
7623A-5_Left-hand_mounting_bracket-large.JPG | Left-hand_mounting bracket
7623A-4_Front_view_with_front_cover_in_place-large.JPG | Front view with front cover in place
7623A-4_Front_view_with_front_cover_in_place-large.JPG | Front view with front cover in place
7623A-3_Front_cover_with_partition_open-large.JPG | Front-cover with partition open
7623A-3_Front_cover_with_partition_open-large.JPG | Front-cover with partition open
7623A-2_Front_cover_with_partition_closed-large.JPG | Front_cover_with_partition_closed
7623A-2_Front_cover_with_partition_closed-large.JPG | Front-cover with partition closed
7623A-1_Close-up_of_left-hand_mounting_bracket-large.JPG | Close-up of left-hand mounting bracket
7623A-1_Close-up_of_left-hand_mounting_bracket-large.JPG | Close-up of left-hand mounting bracket
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Revision as of 14:33, 17 September 2023

Tektronix 7623
100 MHz multi-mode storage scope
Tektronix 7623A, front view

Produced from 1972 to 1992

Manuals

7623

7623A

7623B

  • Manuals needed, please add

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 7623 is a 100 MHz analog multi-mode storage mainframe, introduced in 1972.
The 7623A facelift in 1975 increased standard writing speed to 150 div/µs (from 100 div/µs for a 7623 without option 12). Front panel controls were changed in the 7623A, too.
The 7623B version replaced the 7613, 7623A and 7633 in 1991. It added a reduced scan mode to increase stored writing speed and was essentially a re-named 7633. It was produced until the entire 7000 series was discontinued in 1992.

There were also R7623(A,B) rack-mount versions.

Project Engineer for the 7613 and 7623 was Bill DeVey under direction of Oliver Dalton. John Durecka did the electrical design. Doug Giesbers, Ed Wolf, and Chuck Davis provided the mechanical design. Aiding the overall design effort were Dave McCullough and Dick Anderson.

Key Specifications

     — Common —
Fastest cal. sweep 5 ns/Div
Bandwidth 100 MHz with 7A11, 7A16, 7A17 and similar amplifiers; 75 MHz with 7A13, 7A18
Calibrator 40 mV, 400 mV or 4V into 1 MΩ, 1 kHz
Storage modes variable persistence, fast variable persistence, bistable, fast bistable, non-store
Weight 13.6 kg (30 lb)
Power 170/180 W
Options
  • Option 01 - No Readout
  • Option 03 - EMI modification
  • Option 05 - Line frequency change (50-400 Hz), only for R7623
  • Option 07 - No signals out board
  • Option 08 - Protective panel cover
  • Option 12 - Fast Writing CRT (200 cm/µs, 220 Div/µs)
     — 7623 —
Stored writing speed fast var persist - 100 Div/μs, var persist - 0.5 Div/μs, bistable - 0.03 Div/μs
CRT T7410 (154-0659-00), 8 x 10 Div. @ 0.9 cm, P31 phosphor, 8.5 (+7/-1.5) kV acceleration
     — 7623A —
Stored writing speed fast var persist - 150 Div/μs, fast bistable - 50 Div/μs, var persist - 0.5 Div/μs, bistable - 0.03 Div/μs
CRT T7411 (154-0723-00), 8 x 10 Div. @ 0.9 cm, P31 phosphor, 8.5 (+7/-1.5) kV acceleration
     — 7623B —
Bandwidth tba
Stored writing speed 1000 cm/μs (in reduced-scan mode)

Internals

The 7623 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 vertical output amplifier is built around a 155-0080-00 hybrid in the non-A version. The 7623A vertical amplifier is a discrete design with bridged T-coils. Other custom Tek ICs used in the 7623 include 155-0011-00 clock & chop blanking, 155-0022-00 channel switch, and the 7000 series readout system chips.

The 7623, like the other 76xx models, has a linear supply which does not provide +5 V for lights (A9) without modification.

Links

Prices

Year 1973 1974 1976 1980 1984 1990 1991
Model 7623 7623A 7623A 7623A 7623A 7623A 7623B
Catalog price $2,850 $3,000 $3,500 $4,295 $6,310 $8,900 $12,350
In 2023 Dollars $19,700 $18,700 $18,900 $16,000 $18,600 $20,900 $27,800

Pictures

  • 7623

    7623

  • 7623A

    7623A

  • 7623A

    7623A

  • 7623A trace

    7623A trace

  • 7623A rear connections

    7623A rear connections

  • 7623A right internal

    7623A right internal

  • 7623B

    7623B

  • left side, X and Y output amplifiers

    left side, X and Y output amplifiers

  • right side, storage logic board

    right side, storage logic board

  • Sideview of mounting bracket

    Sideview of mounting bracket

  • Left-hand_mounting bracket

    Left-hand_mounting bracket

  • Front view with front cover in place

    Front view with front cover in place

  • Front-cover with partition open

    Front-cover with partition open

  • Front-cover with partition closed

    Front-cover with partition closed

  • Close-up of left-hand mounting bracket

    Close-up of left-hand mounting bracket

Components

Some Parts Used in the 7623

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
155-0080-00 155-0080-00 Hybrid integrated circuit vertical output amplifier 7603 • R7603 • 7613 • R7613 • 7623 • AN/USM-281C
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 4601 • 7104 • 7403N • 7503 • 7B53A • 7D12 • DM502 • FG504 • S-52 • Telequipment D34 • 7603 • 7613 • 7623 • 7633 • FG507 • Keithley 227
T7410 154-0659-00 CRT transfer storage CRT 7623 • R7623


Some Parts Used in the 7623A

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
T7411 154-0723-00 CRT transfer storage CRT 7623A • R7623A


Some Parts Used in the 7623B

Part Part Number(s) Class Description Used in
2N3055 151-0140-00 Discrete component general-purpose silicon NPN power transistor TM504 • TM506 • TM5006 • 7603 • 7613 • 7623 • 7623A • 7623B • 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 analog-to-decimal 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
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