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The TA197 is a passive 10:1 attenuator. This means that, for example, a 10 V signal at its input appears as a 1 V signal on its output. It allows voltages of up to 400 V at its input. It is designed for ground-referenced signals only, as it attenuates the signal path but not the ground path.

The TA197 attenuator also increases the input impedance of the oscilloscope from 1 MΩ to 8 MΩ, so can be used when measuring the output of high-impedance sensors such as piezo knock sensors where connecting an automotive scope can attenuate the signal or induce a fault code.

 

Technical

Dimensions (L x W x H)	5x5x7	inch
Weight approx.	1	lbs