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132: Difference between revisions
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{{Instrument Sidebar | |||
The '''Tektronix 132''' is an external enclosure, power supply, and amplifier | |manufacturer=Tektronix | ||
for a [[Letter-series_and_1-series_plug-ins|letter-series or 1-series plug-in]]. | |model=132 | ||
|class=Power supply | |||
|series=500-series scopes | |||
|summary=Module power supply | |||
|image=132tq.jpg | |||
|caption=Tek 132 | |||
|introduced=1961 | |||
|discontinued=(?) | |||
|designers= | |||
|manuals= | |||
* [http://w140.com/tek_132.pdf Tektronix 132 Manual (PDF)] | |||
* [http://w140.com/tek_fcp/tek_type_132_factory_cal_proc.pdf Tektronix 132 Factory Calibration Procedure (PDF)] | |||
* [http://w140.com/tek_132_1968_catalog.pdf Tektronix 132 in 1968 Catalog (PDF)] | |||
}} | |||
The '''Tektronix 132''' is an external enclosure, power supply, and amplifier for a [[Letter-series_and_1-series_plug-ins|letter-series or 1-series plug-in]]. | |||
It was [[introduced in 1961]]. | It was [[introduced in 1961]]. | ||
The 132 supplies power to the plug-in and | The 132 supplies power to the plug-in and the signal output of the plug-in (i.e., at pins 1 and 3 of the plug-in's rear connector) is amplified by the three-stage DC-to-16 MHz all-tube differential amplifier in the 132. | ||
the signal output of the plug-in (i.e., at pins 1 and 3 of the plug-in's rear connector) | The resulting vertical signal is available on the front panel of the 132 either using [[UHF connector]]s (early 132 versions) or [[BNC connector]]s (late 132 versions). | ||
is amplified by the three-stage | |||
DC-to-16 MHz all-tube differential amplifier in the 132. | |||
The resulting vertical signal is available | |||
on the front panel of the 132 either using | |||
[[UHF connector]]s (early 132 versions) or | |||
[[BNC connector]]s (late 132 versions). | |||
The 132's power supply is similar to Tektronix oscilloscopes | The 132's power supply is similar to Tektronix oscilloscopes of the late 1950s and early 1960s. | ||
of the late 1950s and early 1960s. | The rectifier diodes are solid state, but the regulators are tube. | ||
The rectifier diodes are solid state, | An [[OG3]] tube is used to generate a -150 V reference voltage that is used for all of the other regulated voltages. | ||
but the regulators are tube. | The +225 V and +350 V supplies are floating supplies stacked on top of the +189 V unregulated DC that feeds the +100 V supply. | ||
An [[OG3]] tube is used to generate a -150 V reference voltage that is used | The 132 has a fan that is always on when the power is on, and a 137 °F (58 °C) [[thermal cutoff]] for the rest of the circuitry. | ||
for all of the other regulated voltages. | |||
The + | |||
on top of the + | |||
The 132 has a fan that is always on when the power is on, | |||
and a | |||
The differential front panel output of the 132 has an output impedance of about | The differential front panel output of the 132 has an output impedance of about 5 kΩ per side. | ||
The gain and bandwidth of the entire system (plug-in + 132 + load) depend on the load impedance. | The gain and bandwidth of the entire system (plug-in + 132 + load) depend on the load impedance. | ||
For exact gain, the 132 needs to be terminated with an exact impedance. | For exact gain, the 132 needs to be terminated with an exact impedance. | ||
A load impedance of | A load impedance of 93 Ω maximizes bandwidth and further reductions of load impedance only reduce the available output swing. | ||
only reduce the available output swing. A load impedance of | A load impedance of 50 kΩ maximizes gain and further increases in load impedance have little effect on system performance. | ||
increases in load impedance have little effect on system performance. | |||
==Pictures== | ==Pictures== | ||
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[[Category:Plugin power supplies]] | [[Category:Plugin power supplies]] | ||