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© Copyright 2011 Pico Technology Ltd. All rights reserved

DO189-1

TA133-User’s Guide

Adjustment Procedures

The probe can be adjusted for low frequency (LF) compensation and for high frequency (HF) compensation.

LF Compensation

LF needs to be adjusted when the probe is connected to the oscilloscope input the first time. LF

compensation matches the probes cable capacitance to the oscilloscope input capacitance. This matching
assures good amplitude accuracy from DC to upper bandwidth limit frequencies. A poorly compensated probe

clearly influences the overall system performance (probe + scope) and introduces measurement errors

resulting in inaccurate readings and distorted waveforms.

LF compensation is performed by connecting the probe to the CAL – output on the oscilloscope front panel
and adjusting the LF compensation trimmer to optimum square wave response. For clarification see below

figures.

undercompensated

optimum

overcompensated

LF Compensation

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Содержание TA133

Страница 1: ...8 Mar 2011 DO189 1 TA133 500 MHz probe User s Manual ...

Страница 2: ... specifications for a period of two years from date of shipment and will repair or replace any defective product which was not damaged by negligence misuse improper installation accident or unauthorized repair or modification by the buyer This warranty is applicable only to defects due to material or workmanship Pico Technology disclaims any other implied warranties of merchantability or fitness f...

Страница 3: ...onformity marking This electronic product is classified within the WEEE RoHS category list as monitoring and control equipment category 9 Category 9 products are exempted from the restrictions under the scope of the RoHS directive Your help and efforts are required to protect and keep clean our environment Therefore return this electronic product at the end of its life either to the manufacturer o...

Страница 4: ...egory II is for measurements performed CAT II on circuits directly connected to the low voltage installation Examples Household appliances portable tools and similar equipment Measurement Category III Definition Measurement category III is for measurements CAT III performed in the building installation Examples Measurements on distribution boards circuit breakers wiring including cables bus bars j...

Страница 5: ...nly non conductive POLLUTION Occasionally however a temporary conductivity caused by condensation must be accepted Pollution Degree 3 Conductive POLLUTION occurs or dry non conductive POLLUTION occurs which becomes conductive due to condensation which is to be expected IEC Safety Symbols The following symbols may appear on the product or in this instruction manual Caution risk of danger Refer to m...

Страница 6: ...ct properly Connect the probe output to the measurement instrument and connect the ground lead to earth ground before connecting the probe to the circuit under test Disconnect the probe input and the probe ground lead from the circuit under test before disconnecting the probe from the measurement instrument Observe probe ratings Do not apply any electrical potential to the probe input which exceed...

Страница 7: ...nd gives the engineer a convenient choice The shortest possible ground connection is recommended particularly for HF measurements on ICs Due to long ground leads most conventional adaptors bring additional inductance and resonances into the measure ment which result in false or inaccurate readings The innovative IC contacting system of the TA133 with 5 dif ferent IC adapters from 0 5 to 1 27 mm pi...

Страница 8: ...Hz 3 dB Probe Risetime 700 ps 10 90 typical Maximum Rated Input Voltage 2 Measurement category I 400 V rms 1000 V transient overvoltage Measurement category II 300 V rms CAT II Pollution Degree 2 2 Voltage Derating Note that the max input voltage rating of the probe decreases as the frequency of the applied signal increases 1 Connect to oscilloscope with an input impedance of 1 MΩ 1 2 As defined i...

Страница 9: ...s the frequency of the applied signal increases Mechanical Characteristics Weight probe only 48 g Cable Length 1 2 m Probe Tip Diameter 2 5 mm Environmental specifications Altitude operating up to 2000 m non operating up to 15000 m Temperature Range operating 0 C to 50 C non operating 40 C to 71 C Maximum Relative Humidity operating 80 relative humidity for temperatures up to 31 C decreasing linea...

Страница 10: ...he oscilloscope input capacitance This matching assures good amplitude accuracy from DC to upper bandwidth limit frequencies A poorly compensated probe clearly influences the overall system performance probe scope and introduces measurement errors resulting in inaccurate readings and distorted waveforms LF compensation is performed by connecting the probe to the CAL output on the oscilloscope fron...

Страница 11: ...s probe with an instrument other than the PicoScope 6400 you should check the probe s high frequency response and adjust it if necessary We recommend using the following equipment for proper HF compensation Rectangular wave generator with a rise time faster than 700 ps 50 ohm feed through and probe BNC adapter HF adjustment is performed by connecting the probe to the rectangu lar wave generator Ad...

Страница 12: ...ction Cap 2 5 IC Cap 2 5 0 8 mm pitch gray IC Cap 2 5 1 0 mm pitch brown IC Cap 2 5 1 27 mm pitch black Insulating Cap 2 5 Set 5 Solid Tips CuBe 0 5 mm Set 5 Spring Tips gold plated 0 5 mm 2 Footed Positioner Probe DEVICE UNDER TEST Set Coding Rings 3x4 colors Ground Blade 2 5 Ground Spring 2 5 Ground Lead 15 cm Trimmer Tool T Sprung Hook 2 5 short 30VAC black Copper Layer Drill Layer 5 8 228 1 03...

Страница 13: ...ring 2 5 1 IC Cap 2 5 0 5 mm pitch green 1 IC Cap 2 5 0 65 mm pitch blue 1 IC Cap 2 5 0 8 mm pitch grey 1 IC Cap 2 5 1 0 mm pitch brown 1 IC Cap 2 5 1 27 mm pitch black 1 Insulating cap 2 5 1 1 PCB adapter kit 2 5 1 Self adhesive Cu pad 2 x 2 cm 2 Solid tip CuBe 0 5 mm 1 1 1 5 Spring tip gold plated 0 5 mm 5 1 1 1 Sprung hook 2 5 short 30VAC 1 1 1 Sprung hook 2 5 1 1 1 Trimmer Tool T 1 1 You can b...

Страница 14: ...5 1 IC Cap 2 5 0 5 mm pitch green 1 IC Cap 2 5 0 65 mm pitch blue 1 IC Cap 2 5 0 8 mm pitch grey 1 IC Cap 2 5 1 0 mm pitch brown 1 IC Cap 2 5 1 27 mm pitch black 1 Instruction Manual 1 Insulating Cap 2 5 1 PCB Adapter Kit 2 5 1 Probe 1 Protection Cap 2 5 1 1 self adhesive Cu Pad 2 x 2 cm 2 Solid Tip CuBe 0 5 mm 1 Spring Tip gold plated 0 5 mm 1 2 Sprung Hook 2 5 1 1 plugged on probe 2 installed in...

Страница 15: ...hol Before use allow the probe to dry completely Changing the Probe Tip To change the probe tip use pliers to grip and pull it carefully straight out of its contact socket along the axis of the probe Do not grip the white plastic insulator or the housing with pliers because the tip could be squeezed and made impossible to remove The probe could be damaged If the probe tip is removed the new tip ca...

Страница 16: ...8 Mar 2011 DO189 1 TA133 500 MHz probe User s Manual ...

Страница 17: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Pico Technology TA133 ...

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