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Summary of Contents for Cal Test Electronics CT3688A
- Page 1 Active Differential Probe Kit, 200 MHz, 10x Small Signal ±20V CT3688A USER MANUAL...
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Page 2: Symbols And Terms
CT3688A Active Differential Probe Kit, User Guide © Cal Test Electronics. All rights reserved. Cal Test Electronics products are covered by US and foreign patents, issued and pending. Information on this publication supersedes all earlier versions. Specifications are subject to change without notice. -
Page 3: General Safety Information
CAL TEST ELECTRONICS GENERAL SAFETY INFORMATION Safety is compromised if instructions are not read, understood, and followed. • Disconnect from all devices and sources before attaching test leads or adapters. • Check for damage before usage - Do not use if any part is damaged. - Page 4 DESCRIPTION Differential probes allow safe, accurate measurement between two voltage points where neither point is referenced to ground. The CT3688A offers a 200 MHz bandwidth and can test up to ±60 V (DC + AC peak). Compatible with oscilloscopes from all major manufacturers, the probe can be battery operated or powered directly from an oscilloscope using the included USB cable.
- Page 5 CAL TEST ELECTRONICS • A - Active Differential Probe, 200 MHz, 10x Small Signal ± 20 V • B - CT4441, Insulated Medium Alligator Clips, 300 V, CAT II Pair (Black & Red) • C - CT4122, USB Power Cable •...
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Page 6: Electrical Specifications
CAL TEST ELECTRONICS SPECIFICATIONS All specifications apply to the unit after a temperature stabilization time of about 20 minutes over an ambient temperature range of 25 °C ± 5 °C. ELECTRICAL SPECIFICATIONS Bandwidth (-3dB) 200 MHz Rise Time (10%-90%) 1.75 ns... -
Page 7: Environmental Specifications
CAL TEST ELECTRONICS ENVIRONMENTAL SPECIFICATIONS Operating Temp/Humidity -10°C to 40°C / Up to 85% RH Storage Temp/Humidity -30°C to 70°C / Up to 85% RH Pollution Degree Pollution Degree 2 Operating: 3,000 m Altitude Non-operating: 15,300 m Specifi cations are subject to change without notice. To ensure the most current version of this manual, please download the current version from our website: caltestelectronics.com... - Page 8 CAL TEST ELECTRONICS VOLTAGE DERATING CURVE The derating curve of the absolute maximum input voltage (either input to ground) is shown as follows: MAXIMUM INPUT VOLTAGE DERATING CURVE 1000 Frequency (MHz)
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Page 9: Using The Probe
CAL TEST ELECTRONICS USING THE PROBE Power Connection Connect the USB power cable to the USB interface on the front of the oscilloscope and then to the input on the probe. See figure below. Only use center pin positive supply, USB cable included... -
Page 10: Inspection Procedure
CAL TEST ELECTRONICS INSPECTION PROCEDURE 1. Connect the BNC output connector to the vertical input of the oscilloscope. 2. Power on the probe. 3. Set the oscilloscope input to DC coupling and 1V/div. Center the trace on the display. 4. Set the attenuation setting on the oscilloscope to match the probe (10x). -
Page 11: Service And Warranty Information
SERVICE & WARRANTY INFORMATION Limited One-Year Warranty Cal Test Electronics warrants this product to be free from defective material or workmanship for a period of 1 year from the date of original purchase. Under this warranty, Cal Test Electronics is limited to repairing the defective device when returned to the factory, shipping charges prepaid, within the warranty period. - Page 12 451020-00_rA UserMan_CT3688A...
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