560-series scopes
The 560 series scopes which were introduced with the 560 and 561 in 1961 were tube scopes that began to introduce some solid state circuitry. They use 2-series or 3-series vertical plug-ins and 2-series or 3-series horizontal plug-ins (exception: 560 only takes 2-series because of weak power supply).
560-series mainframes contain neither delay lines nor amplifier stages, requiring the plug-ins to drive the CRT deflection plates directly, at the disadvantage of needing to calibrate gain or sweep when swapping plug-ins.
560 series scopes
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560 - Basic mainframe (1961)
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561 (1961)
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561A (1962)
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564 - Storage scope (1962)
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565 - Dual-beam scope, two plug-ins; built-in trigger, sweep, and horizontal amplifier (1963)
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568 - Sampling scope (1967)
560 series plugins
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3A1 - 10 MHz dual trace amplifier (1962)
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3A1S - 25 MHz vertical amplifier (1961)
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3A2 - Dual trace amplifier (1962)
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3A3 - dual trace differential amplifier (1964)
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3A5 - 15 MHz "Automatic/Programmable Amplifier (1065)
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3A7 - differential amplifier (1966)
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3A8 - operational amplifier plug-in (1966)
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3A9 - 1 MHz differential amplifier (1969)
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3A10 - Transducer amplifier (1969)
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3A74 - four-channel vertical plug-in (1963)
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3A75 - 4 MHz amplifier (1964)
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3B1 - Time base (1962)
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3B1S - timebase plug-in (1961)
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3B2 - 30 MHz Time base (1963)
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3B3 - Time base (1962)
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3B5 - Automatic time base (1966)
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3C66 - Carrier amplifier (1963)
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3L5 - 1 MHz spectrum analyzer
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3L10 - 36 MHz spectrum analyzer
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3S1 - dual-trace sampling plug-in
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3S2 - dual-trace sampling plug-in (using S series heads)
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3S3 - sampling plug-in
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3S5 - sampling time base (1968)
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3S6 - Programmable sampling module (1969)
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3S7 - sampling plug-in (1971)
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3S76 - dual-trace sampling plug-in (1962)
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3T2 - Sampling time base
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3T5 - Programmable Sampling Sweep (1969)
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3T6 - Programmable Sampling Sweep (1969)
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3T7 - sampling timebase and pulser (1971)
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3T77 - sampling sweep plug-in (1962)
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50 - 200 kHz amplifier (1961)
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51 - Time base (1961)
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59 - 400 kHz "Basic" amplifier (1961)
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60 - 1 MHz amplifier (1961)
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63 - 300 kHz differential amplifier (1961)
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67 - Time base (1961)
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72 - Dual trace amplifier (1961)
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75 - 4 MHz amplifier (1961)
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Chemtrix 205 - Polarographic Timebase
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Chemtrix 310 - Readout amplifier
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040-0245-00 - blank plugin
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067-0500-00 - calibration fixture
