TEKTRONIX 7A18A CALIBRATION and TEKTRONIX 7A18A REPAIR
 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the TEKTRONIX 7A18A Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   TEKTRONIX 7A18A   Description / Specification:    
TEKTRONIX 7A18A Dual Trace Amplifier Plug-in

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.



 

Standard Calibration $330.00 *
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*This is a Web introductory price for one calibration of the TEKTRONIX 7A18A. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


Related Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

dBm
dBm (sometimes dBmW) is an abbreviation for the power ratio in decibels (dB) of the measured power referenced to one milliwatt (mW). Zero dBm equals one milliwatt. A 3 dB increase represents roughly doubling the power, a 3 dB decrease, the power is reduced by about one half.

Millimeter-wave
Millimeter-wave is a term that generally refers to frequencies of 26.5 GHz and above. That is where signal wavelengths fall below approximately 10 mm, and thus the terminology changes from centimeters to millimeters.

Power Repeatability
Power Repeatability is the random uncertainty in reproducing the power level after changing and re-setting the power level. The power repeatability is ± half the span (in dB) between the highest and lowest actual power. Note: - The long-term power repeatability can be obtained by taken the power repeatability and power stability into account.

Stability
Stability is the extent to which a specified property, characteristic, or parameter of a substance, device, or apparatus, remains fixed with the passage of time or with varying environmental conditions.

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