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Tektronix 7A13 Differential comparator plug-in amplifier for the 7000-Series mainframes. Constant, bandwidth over the 1 mV / div to 5 V / div deflection factor range. The bandwidth is selectable at FULL (100 MHz in the 7704, 75 MHz in the 7504 and 7503) or 5 MHz for best displayed noise conditions during low frequency applications. The + or - INPUTS allow norm al or inverted displays. The CMRR is 20,000:1 from DC to 100 kHz, derating to 250 :1 at 20 MHz. The unit can reject up to 10 V of common-mode signal at a deflection factor setting of 1 mV / div, increasing to 100 V rejection potential at 10 mV / div (X10 Vc pulled) and 500 V at 0.1 V/ div
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