Teledyne-lecroy AP033 User Manual

Operator’s Manual AP033 Active Differential Probe

AP033 Active Differential Probe 4 922260-00 Rev A Standard Accessories Hard Case ÷10 Plug-on Attenuator Plug-on AC Coupler Probe Connection Accessory

Operator’s Manual 922260-00 Rev A 5 Specifications Nominal Characteristics Nominal characteristics describe parameters and attributes that have are g

AP033 Active Differential Probe 6 922260-00 Rev A 4 Teledyne LeCroy measures CMRR with a fixture that connects the probe tip ground to the signal sou

Operator’s Manual 922260-00 Rev A 7 Figure 1, Typical CMRR Graphs General Characteristics Temperature: 0° to 50° C Operating -40° to 75° C St

AP033 Active Differential Probe 8 922260-00 Rev A Operation CAUTION: The input circuits in the AP033 incorporate components that protect the probe f

Operator’s Manual 922260-00 Rev A 9 can greatly reduce this effect by using short interconnection leads, and twisting them together to minimize the l

AP033 Active Differential Probe 10 922260-00 Rev A Probe Input Loading Attaching any probe to a test circuit will add some loading. In most applicati

Operator’s Manual 922260-00 Rev A 11 The best recommendation for connecting or not connecting the probe ground is to try both configurations and sele

AP033 Active Differential Probe 12 922260-00 Rev A Table 1, AP033 Dynamic ranges and input capacitance at different attenuator settings ÷1 Attenuati

Operator’s Manual 922260-00 Rev A 13 With oscilloscope software versions 7.6.0 and higher, the probe gain, internal attenuation, and offset can be co

AP033 Active Differential Probe 14 922260-00 Rev A Table 2, Recommended oscilloscope settings to obtain desired equivalent Volts/Division Equivalent

Operator’s Manual 922260-00 Rev A 15 Figure 4, Effect of Differential Offset When the AP033 is used with a Teledyne LeCroy oscilloscope equipped wit

AP033 Active Differential Probe 16 922260-00 Rev A Upon successful completion of the Autobalance cycle, all four of the EFFECTIVE GAIN indicators wil

Operator’s Manual 922260-00 Rev A 17 Maintenance This probe is a high quality, precision instrument. To maintain accuracy and signal fidelity, mecha

AP033 Active Differential Probe 18 922260-00 Rev A Troubleshooting If the probe is not operating properly the problem may be the way in which it is u

Operator’s Manual 922260-00 Rev A 19 B. Incorrect Frequency Response Possible causes are a defective probe or oscilloscope, poor connections, or poor

AP033 Active Differential Probe 20 922260-00 Rev A Returning a Probe Return a probe for calibration or service by contacting your local Teledyne LeCr

Operator’s Manual 922260-00 Rev A 21 8. If returning a probe to a different country, also:  Mark shipments returned for service as a “Return of US

AP033 Active Differential Probe 22 922260-00 Rev A Matching Procedure for ÷10 Plugs The ÷10 Plug-on attenuator provided as a standard accessory with

Operator’s Manual 922260-00 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

AP033 Active Differential Probe Operator’s Manual May 2013

AP033 Active Differential Probe 24 922260-00 Rev A 11. Using the square adjustment tool, adjust the +LF Comp (See Figure 6) to achieve the best squar

Operator’s Manual 922260-00 Rev A 25 Performance Verification This procedure can be used to verify the warranted characteristics of the AP033 Active

AP033 Active Differential Probe 26 922260-00 Rev A Table 3, Performance Verification Test Equipment Description Minimum Requirements Example Test Equ

Operator’s Manual 922260-00 Rev A 27 Preliminary Procedure 1. Connect the AP033 Active Differential Probe to the female end of the ProBus Extension

AP033 Active Differential Probe 28 922260-00 Rev A 3. Using a BNC female-to-female adapter, connect one end of a BNC cable to the probe end of the P

Operator’s Manual 922260-00 Rev A 29 18. After the DMM reading has stabilized, record the measured output amplitude to 100 μV resolution in the Test

AP033 Active Differential Probe 30 922260-00 Rev A 2. Carefully move the AP033 probe head from the Differential Drive No Termination connector of th

Operator’s Manual 922260-00 Rev A 31 14. Carefully move the AP033 probe head from the Differential Drive 50 Ohm Termination connector of the AP033/A

AP033 Active Differential Probe 32 922260-00 Rev A C. Check Low Frequency CMRR NOTE: The attenuation of the AP033 Active Differential Probe below 10

Operator’s Manual 922260-00 Rev A 33 9. Calculate the Common Mode Rejection Ratio (CMRR) at 70 Hz by dividing 8,000 mV by the measured Common Mode S

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AP033 Active Differential Probe 34 922260-00 Rev A Model: AP033 Serial Number: Asset or Tracking Number: Date: Technician: MODEL SERI

Operator’s Manual 922260-00 Rev A 35 Adjustment Procedure Introduction You can use this procedure to adjust the AP033 Active Differential Probe to me

AP033 Active Differential Probe 36 922260-00 Rev A Test Equipment Required The table on the next page lists the test equipment and accessories, or th

Operator’s Manual 922260-00 Rev A 37 Description Minimum Requirements Example Test Equipment settable to 1 mV resolution Termination, precision 50 Ω

AP033 Active Differential Probe 38 922260-00 Rev A Preliminary Procedure 1. Using pliers, carefully remove each of the push buttons from the ProBus

Operator’s Manual 922260-00 Rev A 39 Procedure A. Adjust Preliminary Probe DC Balance (R36) 1. From the oscilloscope’s front panel, select channel 1

AP033 Active Differential Probe 40 922260-00 Rev A Figure 8, Probe Tip Adjustment Locations B. Adjust Coarse DC Balance (R226) 1. Remove the shorti

Operator’s Manual 922260-00 Rev A 41 C. Adjust Fine DC Balance (R304) 1. Remove the shorting plug from the Logic Board. 2. In the Channel 1 “COUPLI

AP033 Active Differential Probe 42 922260-00 Rev A D. Adjust ÷10 Attenuator CMRR (R7) 1. Keep the BNC cable attached to the probe end of the ProBus

Operator’s Manual 922260-00 Rev A 43 weighting, of channel 3. Turn off the trace 3 display. Use the Math Zoom and Position controls as necessary to v

Operator’s Manual 922260-00 Rev A i Table of Contents Safety Instructions ...

AP033 Active Differential Probe 44 922260-00 Rev A 13. In the CHANNEL section of the oscilloscope, set the probe offset to +0.4000 V by rotating the

Operator’s Manual 922260-00 Rev A 45 6. Record the DMM reading. Be careful not to alter the output amplitude of the generator after the measured val

AP033 Active Differential Probe 46 922260-00 Rev A H. Adjust Final Attenuator CMRR (C18A) 1. Carefully move the AP033 probe head from the Differenti

Operator’s Manual 922260-00 Rev A 47 the boards into the housing being careful to align the screw holes in the end cover with the corresponding chann

AP033 Active Differential Probe 48 922260-00 Rev A Reference Information Differential Mode and Common Mode Differential probes amplify the voltage di

Operator’s Manual 922260-00 Rev A 49 Common Mode Rejection Ratio The ideal differential probe or differential amplifier would amplify only the differ

AP033 Active Differential Probe 50 922260-00 Rev A Certifications This section certifies the probe’s Electromagnetic Compatibility (EMC), Safety and

Operator’s Manual 922260-00 Rev A 51 AUSTRALIA & NEW ZEALAND DECLARATION OF CONFORMITY—EMC The probe complies with the EMC provision of the Radio

AP033 Active Differential Probe 52 922260-00 Rev A Environmental Compliance END-OF-LIFE HANDLING The probe is marked with this symbol to indicate tha

Operator’s Manual 922260-00 Rev A 53 Contact Teledyne LeCroy Teledyne LeCroy Service Centers United States and Canada - World Wide Corporate Office

AP033 Active Differential Probe ii 922260-00 Rev A Matching Procedure for ÷10 Plugs ...

AP033 Active Differential Probe 54 922260-00 Rev A

Operator’s Manual 922260-00 Rev A 1 Safety Instructions This section contains instructions that must be observed to keep this oscilloscope accessory

AP033 Active Differential Probe 2 922260-00 Rev A Do not overload. To avoid electric shock, do not apply any potential that exceeds the maximum ratin

Operator’s Manual 922260-00 Rev A 3 Overview Description The AP033 is a wide band differential active probe. The probe features low noise, low input