Static Protection
for High Bandwidth
Sampling Oscilloscopes

The picosecondATE Model 1201 and 1202 Static Protection Units are designed to protect high-bandwidth sampling oscilloscopes from static damage in applications involving TDR of passive devices such as circuit boards and coaxial cables.

The Static Protection Unit is connected between the signal probe and the input of the oscilloscope needing protection. It discharges any static charge that the probe encounters, then upon command, connects the probe to the oscilloscope for normal measurement use.

Inside, any charge encountered by the probe is shorted to ground through a microwave switch. When the operator actuates the foot switch supplied with the unit, the microwave switch connects the probe input to the oscilloscope, enabling a measurement to be made.

This is a direct method of discharging the device-under-test before the oscilloscope is connected to it. Other methods of controlling static such as grounding, resistive mats, and ion generators hopefully discharge the area or the air, but not necessarily the contact that needs attention. This device removes the charge from the area that represents the hazard.

Specifications

	1201		1202
Number of Channels		1		2
Impedance		50 ohms		50 ohms
Risetime (without cable)		<40 ps		<40 ps
Aberrations		<90 mRHO		<90 mRHO

Items Included

Typical accessories included (1202 shown)

Items supplied with the 1201 single-channel Static Protection Unit include an external power supply, foot switch, one 18-inch coaxial cable used to connect the 1201 to the oscilloscope, and an instruction manual.

The 1202 includes the above items plus a second 18-inch coaxial cable for the second channel.

Units shipped to US customers include a US power cord.