Teledyne-lecroy AP034 Instrukcja Użytkownika

Operator’s Manual AP034 Active Differential Probe

AP034 Active Differential Probe 4 922261-00 Rev A Standard Accessories Hard Case ÷10 Plug-on Attenuator ÷20 Plug-on Attenuator Plug-on AC Coupler Pro

Operator’s Manual 922261-00 Rev A 5 Specifications Nominal Characteristics Nominal characteristics describe parameters and attributes that have are g

AP034 Active Differential Probe 6 922261-00 Rev A probe tip depends on proximity to probe cable ground, and is therefore non-reproducible. Teledyne L

Operator’s Manual 922261-00 Rev A 7 Figure 1, Typical CMRR Graphs General Characteristics Temperature: 0° to 50° C Operating -40° to 75° C St

AP034 Active Differential Probe 8 922261-00 Rev A Operation CAUTION: The input circuits in the AP034 incorporate components that protect the probe f

Operator’s Manual 922261-00 Rev A 9 High common mode rejection requires precise matching of the relative gain or attenuation in the + and – input sig

AP034 Active Differential Probe 10 922261-00 Rev A Probe Input Loading Attaching any probe to a test circuit will add some loading. In most applicati

Operator’s Manual 922261-00 Rev A 11 NOTE The AP034 Active Differential Probe transmits the measured signal differentially through the probe cable. T

AP034 Active Differential Probe 12 922261-00 Rev A When using a differential probe or amplifier, be careful to avoid exceeding the common mode range.

Operator’s Manual 922261-00 Rev A 13 The AP034 offset allows you to measure signals up to 2.0 V (1.6 V of offset plus 400 mV of output signal). With

AP034 Active Differential Probe 14 922261-00 Rev A Adding Offset When the AP034 Active Differential Probe is used with a Teledyne LeCroy oscilloscope

Operator’s Manual 922261-00 Rev A 15 NOTE: Probe offset is controlled with the channel OFFSET knob in oscilloscope firmware versions 8.1.0 or higher

AP034 Active Differential Probe 16 922261-00 Rev A Figure 5, Layout Dimensions for Test Fixtures Maintenance This probe is a high quality, precision

Operator’s Manual 922261-00 Rev A 17 service facility for diagnosis and exchange. A defective probe under warranty will be replaced with a factory re

AP034 Active Differential Probe 18 922261-00 Rev A B. Incorrect Frequency Response Possible causes are a defective probe or oscilloscope, poor connec

Operator’s Manual 922261-00 Rev A 19 Returning a Probe Return a probe for calibration or service by contacting your local Teledyne LeCroy sales repre

AP034 Active Differential Probe 20 922261-00 Rev A 8. If returning a probe to a different country, also:  Mark shipments returned for service as a

Operator’s Manual 922261-00 Rev A 21 Table 3, Replaceable Part Numbers Reference Teledyne LeCroy Part Number Description Rev Qty. 1 529-304-001 Plas

AP034 Active Differential Probe 22 922261-00 Rev A Matching Procedure for ÷10 Plugs The ÷10 and ÷20 Plug-on attenuators provided as standard accesso

Operator’s Manual 922261-00 Rev A 23 Note: You can fabricate the Adjustment Tool by flattening the end of a 0.025 in. (0.635 mm) square pin with a f

AP034 Active Differential Probe Operator’s Manual May 2013

AP034 Active Differential Probe 24 922261-00 Rev A 11. Using the square adjustment tool, adjust the +LF Comp (See Figure 7) to achieve the best squar

Operator’s Manual 922261-00 Rev A 25 Performance Verification This procedure can be used to verify the warranted characteristics of the AP034 Active

AP034 Active Differential Probe 26 922261-00 Rev A Table 4, Performance Verification Test Equipment Description Minimum Requirements Test Equipment E

Operator’s Manual 922261-00 Rev A 27 Preliminary Procedure 1. Connect the AP034 Active Differential Probe to the female end of the ProBus Extension

AP034 Active Differential Probe 28 922261-00 Rev A 4. Connect one end of a second BNC cable to the output of the Function Generator. Attach the BNC-

Operator’s Manual 922261-00 Rev A 29 B. Check High Frequency Common Mode Rejection Ratio (CMRR) NOTE: Common Mode Rejection Ratio (CMRR) is defined a

AP034 Active Differential Probe 30 922261-00 Rev A 10. Move the high frequency sine wave generator output cable from the oscilloscope channel 2 input

Operator’s Manual 922261-00 Rev A 31 second BNC cable from the remaining end of the BNC Tee adapter to the Common Mode Drive No Termination input con

AP034 Active Differential Probe 32 922261-00 Rev A 15. Calculate the “Common Mode Rejection Ratio (CMRR) at 1 MHz” by dividing 8000 mV by the measure

Operator’s Manual 922261-00 Rev A 33 Model: AP034 Serial Number: Asset or Tracking Number: Date: Technician: MODEL SERIAL NUMBER CAL

© 2013 Teledyne LeCroy, Inc. All rights reserved. Unauthorized duplication of Teledyne LeCroy documentation materials other than for internal sale

AP034 Active Differential Probe 34 922261-00 Rev A Adjustment Procedure Introduction You can use this procedure to adjust the AP034 Active Differenti

Operator’s Manual 922261-00 Rev A 35 Test Equipment Required The table on the next page lists the test equipment and accessories, or their equivalent

AP034 Active Differential Probe 36 922261-00 Rev A Description Minimum Requirements Example Test Equipment Termination, precision 50 Ω ± 0.05% Teled

Operator’s Manual 922261-00 Rev A 37 Preliminary Procedure 1. Using pliers, carefully remove each of the push buttons from the ProBus interface hou

AP034 Active Differential Probe 38 922261-00 Rev A Procedure A. Adjust Coarse DC Balance (R226) 1. If necessary, set the probe offset to 0.000 V by

Operator’s Manual 922261-00 Rev A 39 B. Adjust Fine DC Balance (R304) 1. Remove the shorting plug from the Logic Board. 2. Reinsert the shorting pl

AP034 Active Differential Probe 40 922261-00 Rev A C. Adjust Low Frequency CMRR (R7) 1. Leave the BNC cable connected to the probe end of the ProBus

Operator’s Manual 922261-00 Rev A 41 10. Set the oscilloscope to display channel 3. The waveform is the common mode signal. Turn the offset as necess

AP034 Active Differential Probe 42 922261-00 Rev A 5. Connect the other end of the cable to the DMM input, making sure that the plug corresponding t

Operator’s Manual 922261-00 Rev A 43 21. The trace should be offset from the center line by the same amplitude but opposite polarity of the value not

Operator’s Manual 922261-00 Rev A i Table of Contents Safety Instructions ...

AP034 Active Differential Probe 44 922261-00 Rev A F. Adjust Final Attenuator Compensation (C17) NOTE: The calibrator signal from a Teledyne LeCroy o

Operator’s Manual 922261-00 Rev A 45 3. Set the oscilloscope display to channel 4, coupling to DC1MΩ , vertical scale factor to 200 mV/div, and the

AP034 Active Differential Probe 46 922261-00 Rev A I. Attenuator Matching and Final Check 1. Repeat the Performance Verification procedure to ensure

Operator’s Manual 922261-00 Rev A 47 Reference Information Differential Mode and Common Mode Differential probes amplify the voltage difference that

AP034 Active Differential Probe 48 922261-00 Rev A Common Mode Rejection Ratio The ideal differential probe or differential amplifier would amplify o

Operator’s Manual 922261-00 Rev A 49 Certifications This section certifies the probe’s Electromagnetic Compatibility (EMC), Safety and Environmental

AP034 Active Differential Probe 50 922261-00 Rev A AUSTRALIA & NEW ZEALAND DECLARATION OF CONFORMITY—EMC The probe complies with the EMC provisio

Operator’s Manual 922261-00 Rev A 51 Environmental Compliance END-OF-LIFE HANDLING The probe is marked with this symbol to indicate that it complies

AP034 Active Differential Probe 52 922261-00 Rev A Contact Teledyne LeCroy Teledyne LeCroy Service Centers United States and Canada - World Wide Cor

AP034 Active Differential Probe ii 922261-00 Rev A Matching Procedure for ÷10 Plugs ...

Operator’s Manual 922261-00 Rev A 1 Safety Instructions This section contains instructions that must be observed to keep this oscilloscope accessory

AP034 Active Differential Probe 2 922261-00 Rev A Do not overload. To avoid electric shock, do not apply any potential that exceeds the maximum ratin

Operator’s Manual 922261-00 Rev A 3 Overview Description The AP034 is a wide band differential active probe. The probe features low noise, low input