R7903

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Tektronix 7903
500 MHz non-storage mainframe
Tektronix 7903

Produced from 1974 to 1982

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

The Tektronix R7903 is a rackmount version of the 7904. It takes only one horizontal plug-in. Otherwise, aside from being rackmount shape, it the same as a 7904.

Key Specifications

Bandwidth 500 MHz
Fastest calibrated sweep 500 ps/Div (with 7B92A, other time bases "uncalibrated for first 60 ns")
Acceleration voltage 24 kV


Pictures

  • Option 4: brighter, smaller scan CRT

    Option 4: brighter, smaller scan CRT

  • Option 4: brighter, smaller scan CRT

    Option 4: brighter, smaller scan CRT

  • R7903 rear

    R7903 rear

  • R7903 Option 4 trace

    R7903 Option 4 trace


CRTs used in the R7903

Page Part nos Description Designers Used in
154-0644-00 154-0644-00 • 154-0644-04 • 154-0644-05 • 154-0644-09 • 154-0893-05 CRT with distributed deflection plates Ken Hawken 7704A • 7854 • 7904 • 7904A • R7903

Custom ICs used in the R7903

Page Model Part nos Description Designers Used in
155-0009-00 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 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 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 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 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
155-0022-00 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 • 7A18N • 7B52 • 7B53N • 7D10 • 7D11 • 7D12 • NT-7000 • P7001
155-0059-00 M077A 155-0059-00 HF amplifier Thor Hallen 7834 • 7844 • 7854 • 7904 • R7903 • R7912 • 7912AD
155-0060-00 M071E 155-0060-00 • 155-0060-01 channel selector amplifier Hans Springer R7903 • 7904 • R7912
155-0064-00 H074A 155-0064-00 vertical output amplifier 7834 • 7854 • 7904 • R7903 • 7912AD • 485 • PG502
155-0065-00 H074 155-0065-00 • 155-0064-01 • 155-0125-00 deflection amplifier 7844 • 7904 • R7912 • R7903
155-0067-02 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
155-0078-00 M084 155-0078-xx • 155-0273-00 • 155-0274-00 broadband amplifier John Addis 464 • 465 • 466 • 468 • 475 • 475A • 475M • 485 • 7834 • 7844 • 7854 • 7904 • R7903 • R7912 • 7912AD • 7912HB • 7104 • 7A16A • 7A16P • 7A24 • 7A26 • 7A42 • 067-0587-01 • 067-0680-00 • AM503 • PG502 • PG508 • DC510 • DC5010 • FG5010
155-0095-00 155-0095-00 155-0095-00 • 155-0095-01 • 155-0095-03 HF differential amplifier 7834 • 7844 • 7904 • R7903 • R7912 • 7912AD
203-0126-90 M126 203-0126-90 ft doubler amplifier Hans Springer R7903 • 7904 • 7844

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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