Used TEKTRONIX 7A18A Buy / Purchase at the right Price.
Custom-Cal has a used TEKTRONIX 7A18A Dual Trace Amplifier Plug-in in stock and ready for purchase at a fair price. All units sold by Custom-Cal are provided with an applicable NIST traceable calibration/performance verification and a 90 day warranty (unless otherwise noted). With this added service, you can be confident that you are buying a fully functional unit that meets OEM specifications.

We are always willing to work with the customer on price. If you would like to buy a used TEKTRONIX 7A18A but, don't see the price you want, please name your price below and we will try to find one for you to purchase.
TEKTRONIX 7A18A Dual Trace Amplifier Plug-in


General description of the used TEKTRONIX 7A18A for sale.
Tektronix 7A18A Dual-trace plug-in amplifier for the 7800, 7900 and 7100 Series mainframes. Bandwidth - Dc Coupled: 75 MHz (5 mV/div to 5 V/div). Ac Coupled: 10 Hz or less to 75 MHz (5 mV/div to 5 V/div). Deflection Factor - Calibrated: 5 mV/div to 5 V/div in ten steps (1 -2-5 sequence). Accuracy is within 2% with gain adjusted to 10 mV/div. Uncalibrated: Variable continuously between steps to a maximum of at least 12.5 V/div. Input R and C: 1 M-ohm within 2%; 20 pF. Maximum Input Voltage - Dc Coupled: 250 V (dc + peak ac), ac component 500 V p-p maximum, 1 kHz or less. Ac Coupled: 500 V (dc + peak ac), ac component 500 V p-p maximum, 1 kHz or less. Dc Stability - Drift with Ambient Temperature (Line Voltage Constant): 0.01 div/C. Drift with Time (Ambient Temperature and Line Voltage Constant): 0.02 div in anyone minute after one hour warm-up. Displayed Noise - 0.06 div or less. Common-Mode Rejection Ratio (Add, CH 2 Invert) - At least 10:1, dc to 50 MHz. Option 06, Dc Offset - Allows small signals riding on larger signals, such as power supply ripple, to be analyzed. Separate Channel 1 and Channel 2 variable offset controls are concentric with the position controls replacing the identify push-buttons of the standard 7A18A. The ac-dc ground switch of each channel is expanded to accommodate a fourth position for dc offset.

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