134

Manuals – Specifications – Links – Pictures

The Tektronix 134 current probe amplifier interfaces a P6019, P6020, P6021 or P6022 current probe to the voltage input of an oscilloscope. It comes with its own power supply, the 015-0058-01 for 115 VAC or the 015-0059-01 for 230 VAC. It was designed by Hans Springer.

Key Specifications

Current range	1 mA/Div to 1 A/Div, 1−2−5 (scope at 50 mV/Div)
Gain	50 or 125 (selectable)
Bandwidth	8 Hz to 54 MHz @ gain 50, 10 Hz to 30 MHz @ gain 125

Links

• Tek 134 @ analogdesign.be (preserved at archive.org) − photos and description

Prices

Year	1970	1974	1984	1986
Catalog price	$209	$265	$625	$625
In 2022 Dollars	$1,600	$1,600	$1,800	$1,700

Pictures

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  134 front, 1966−1969 model (P6019/P6020-only switch label)

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  134 front, 1969+ model

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  Schematic

Measurements

Comparison of P6022 with passive termination @ 10 mA/Div (top trace) vs. P6021+134 (bottom trace). Signal is a sawtooth from a HP3325A @ 5 V_p-p into 50 Ω = 100 mA_p-p.

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  100 Hz

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  1 kHz

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  10 kHz