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-The Tektronix Type Q is a strain gauge preamp plug-in for [[500-series scopes]].  The Type Q
+The Tektronix Type Q is a strain gauge preamp plug-in for [[500-series scopes]].  The Type Q contains a 25kHz oscillator that is used to drive a
-contains a 25kHz oscillator that is used to drive a Wheatstone bridge for measuring the
+Wheatstone bridge for measuring the impedance of the strain gauge.
-impedance of the strain gauge.  Resistive, capacitive, and inductive strain gauges are
+Resistive, capacitive, and inductive strain gauges are supported.
-supported.
-Type Q was [[introduced in 1960]] and was the last all-tube plugin.  It was dropped after 1971 or 1972.
+Type Q was [[introduced in 1960]] and was the last all-tube plug-in.
+It was dropped after 1971 or 1972.
 * [http://bama.edebris.com/manuals/tek/q/ Tektronix Type Q Manual (BAMA)]