TU-5

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Tektronix TU-5
Tunnel diode pulser
Tektronix TU-5

Produced from (?) to (?)

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix TU-5 is a tunnel diode pulser designed for checking risetime/bandwidth of probes such as the P6045 FET Probe. It provides nanosecond-risetime pulses when powered from a 100 V scope calibrator square wave.

Key Specifications

Risetime Early version ≤1.5 ns, later version ≤1 (typ. 0.5) ns
Input 0/+100 V, 10 mA pulses (−100 V from Type 105 Pulse Generator using an adapter)
Output ≥260 mV into 50 Ω, ~25 Ω source impedance
Tunnel diode Early version (before June 10, 1964), 152-0102-00; later version, 152-0154-00 or 152-0140-01

Pictures

Components

Some Parts Used in the TU-5

Part Part Number(s) Class Description Used in
SMTD995 152-0140-01 Discrete component 10 mA, 8 pF tunnel diode 1S1 1S2 1502 21A 22A 3T5 3T6 475 475A 475M 544 R544 546 RM546 547 RM547 556 R556 581A 585A RM585 7B52 7B53N 7B70 7B71 7D10 7D11 7T11 7T11A R7912 S-51 S-52 TU-5 067-0572-00 067-0572-01 067-0681-00
STD615 152-0102-00 Discrete component 10 mA, 28 pF germanium tunnel diode 581 585 TU-5
TD253 152-0154-00 Discrete component 10 mA, 9 pF germanium tunnel diode 547 7B70 TU-5