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| Tektronix 7A18N Dual-Trace Plug-In Amplifier The 7A18 Dual-Trace Plug-In Amplifier is the basic building block of 3-trace and 4-trace operation. The unit features constant bandwidth for all deflection factors, 5 operating modes (Ch1, Ch2, ALT, CHOP, ADD), trigger source selectivity and color-keyed control grouping. Bandwidth: DC to 75MHz Trace Identify Function Polarity of Channel 2 is selectable Deflection Factor: 5 mV/div to 5 V/div Input R and C: 1 Mohm within 2%; approx. 20 pF |