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 The '''Tektronix Type 1A5''' is a differential amplifier plug-in for [[500-series scopes]].
-Bandwidth is 50 MHz down to 5 mV/div.  The maximum differential sensitivity is 1 mV/div, with a bandwidth of 40 MHz.  Common-mode rejection is 20,000 to 1 at low frequencies, deteriorating to 200:1 at 20 MHz.
-Like most Tektronix differential plug-ins, it has three modes: V<sub>A</sub>-V<sub>C</sub>, V<sub>A</sub>-V<sub>B</sub>, and V<sub>C</sub>-V<sub>B</sub>.  V<sub>C</sub> is controlled by a ten-turn potentiometer and can vary from -5 V to +5 V (0.5 V on the 5 V/div to 20 V/div ranges).
 There is a front-panel jack for direct connection of the Type [[P6046|P6046 Active Differential Probe]].
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 ==Specifications==
+Bandwidth is 50 MHz down to 5 mV/div.  The maximum differential sensitivity is 1 mV/div, with a bandwidth of 40 MHz.  Common-mode rejection is 20,000 to 1 at low frequencies, deteriorating to 200:1 at 20 MHz.
+Like most Tektronix differential plug-ins, it has three modes: V<sub>A</sub>-V<sub>C</sub>, V<sub>A</sub>-V<sub>B</sub>, and V<sub>C</sub>-V<sub>B</sub>.  V<sub>C</sub> is controlled by a ten-turn potentiometer and can vary from -5 V to +5 V (0.5 V on the 5 V/div to 20 V/div ranges).
 [[Category:Specifications needed]]''please add''