TU-5

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.

Tektronix TU-5
Tunnel diode pulser Tektronix TU-5 Produced from (?) to (?) Manuals Tektronix TU-5 Pulser (OCR) Tektronix TU-5/105 Adapter (OCR) Tektronix TU-5 in 1964 Catalog (OCR) Tektronix 015-038 Datasheet (OCR) Tektronix TU-5 Product Description (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

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

TU-5
TU-5 to 105 Adapter

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