067-1094-99
The Tektronix 067-1094-99 is a pulse generator plug-in for the TM500 system.
Key Specifications
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The manual says:
For M.P.T.S., the High Amplitude Pulse Generator (067-1094-99) is often called the Fastrise Pulse Generator, or simply Pulse Generator.
It is used for testing amplifier and attenuator step-response aberrations and flatness of the IUT. The generator is capable of creating 25 volt rectangular pulses 40 nanoseconds wide of either polarity. The risetime is 400 picoseconds or less and the repetition rate is nominally 50 kHz.
In M.P.T.S., the Fastrise Pulse Generator is used in combination with the GPIB Programmable Attenuator to give a series of discrete pulse amplitudes. The Fastrise Pulse Generator by itself is not a programmable instrument.
See Also
Internals
The 067-1094-99 uses an avalanche transistor and charge line to generate the fast-rising output pulse.
A pair of voltage doublers fed by two series-connected 25 V mainframe windings provide ±150 V for the avalanche stage.
The manual lists the avalanche transistors, Q200 and Q100, as "151-0108-01 Select from Motorola 2N2501 for 78 V ≤ VCB0 ≤ 85 V".
Pictures
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