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Tektronix 7A18 Dc to 75 MHz Dual-trace amplifier, is for use with the 7000-Series Mainframes. Features constant bandwidth for all deflection factors, 5 operating modes (CH 1, CH 2, AL T, CHOP, ADD), trigger source selectivity and color-keyed control grouping. Dellection Factor - 5 mV/div to 5 V/div in 10 calibrated steps (1-2-5 sequence). Accuracy is within 2% with gain adjusted to 10 mV/div. Uncalibrated VARIABLE is continuous between steps to at least 12.5 V/div. Input R and C - 1 M-ohm within 2%; 20 pF. Max tnput Voltage - Dc-coupled: 250 V (dc + peak ac); ac component 500 V p-p max, 1 kHz or less. Accoupled: 500 V (dc + peak ac); ac component 500 V p-p max, 1 kHz or less. Common-Mode Rejection Ratio (ADD, CH 2 Invert)At least 10:1, dc to 50 MHz.
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