7504
The Tektronix 7504 is a 90 MHz 7000-series mainframe, one of the initial oscilloscopes introducing the 7000-Line in 1969. It contains four plug-in compartments, and was in production for about one year.
Key Specifications
Bandwidth | 90 MHz |
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Fastest calibrated sweep | 5 ns/Div |
Calibrator | DC and 1 kHz rectangle, 4 mV to 40 V in 5 steps, 40 mA current loop |
Options |
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Internals
Like other 75xx and 76xx mainframes, the 7504 has a linear power supply, as opposed to the switchmode supplies used in the later 4-slot mainframes.
It is equipped with a rear remote control connector similar to the 7904 but lacking the remote readout features, and two probe power connectors.
The 7504 contains a mercury-based elapsed time meter on the low voltage regulator board.
Links
Pictures
Custom ICs used in the 7504
Custom ICs used in the 7000 series readout system
Some Parts Used in the 7504
Part | Part Number(s) | Class | Description | Used in |
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120-0626-00 | 120-0626-00 | Discrete component | power transformer | 7504 |
155-0009-00 | 155-0009-00 | Monolithic integrated circuit | horizontal lockout logic | 7504 • 7514 • 7704 • 7704A • R7704 • 7834 • 7844 • 7854 • 7904 • R7903 • 7904A • 7934 • 7104 |
155-0010-00 | 155-0010-00 | Monolithic integrated circuit | chop divider and blanking | 7504 • 7514 • 7704 • R7704 • 7704A • 7834 • 7854 • 7904 • R7903 • 7904A • 7934 • 7104 |
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 |
155-0012-00 | 155-0012-00 | Monolithic integrated circuit | Z Axis Logic | 485 • 7504 • 7514 • 7704 • R7704 • 7704A • 7834 • 7844 • 7854 • 7904 • R7903 • 7904A • R7912 • 7934 • 7912AD • 7912HB • 7104 • R7103 |
155-0013-00 | 155-0013-00 • 155-0013-01 | Monolithic integrated circuit | horizontal chop and alt. binary | 7504 • 7514 • 7704 • R7704 • 7704A • 7834 • 7854 • 7904 • 7904A • R7903 • 7934 • 7104 |
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 |
2N3739 | 151-0201-00 | Discrete component | Silicon NPN power transistor | 013-002 • 106 • 4501 • 561B • R561B • 564B • R564B • 568 • 7503 • 7504 |
T7500 | 154-0608-00 | CRT | CRT | 7503 • 7504 |