User`s Manual rev 1F
Contents
1. Oooo ee o com ooo S dA a l oO a E TU Be E O Ooo o Frequency MHZ Frequency MHZ Figure 11 Coilcraft s Mini Spring series inductor s characteristics Usually large inductors self resonance frequency is low Such inductors are typically used on relatively low frequencies That s why inductance of these inductors should be measured on low frequencies It is possible to do such measurements when an additional capacitor on Cx terminals is used In case of solid core inductors whose core is made from some magnetic material like ferrite the frequency response is affected by frequency characteristics of the core material s magnetic permeability Core material sets the maximum working frequency of the inductor As an example G3 core s material characteristics are given below see figure 12 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 8 13 5 Rantelon RF Microwave Electronics 1000 100 U s Us 10 Frequency Hz Figure 12 Complex permeability vs frequency for G3 core material Caused by skin and proximity effects complex high frequency currents distribution changes effective wire dimensions and as consequence makes it frequency dependant Since inductance depends on coil wire shape it also depends on frequency In case of SMD inductor with small inductance a few nH up to tens nH the coil is usually made from2. works independently and can be used at the same time in parallel with the one of three previously mentioned functions 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 5 13 5 Rantelon RF Microwave Electronics Rantelon SmartLAB a Measure Edit Tool Help LCmeter Pulse Generator Display 2013 04 Frequency Temperature Cal 1 194 253 kHz 27 0 C Calibration Measure Lk 7 0736 nH CAL L is Ck 497 12 pF Figure 4 SmartLAB application interface in LC meter mode When measuring SMD inductors calibration must be performed by directly shorting the SMD pads see figure 5 for details This technique helps to avoid the influence of possible parasitic elements and achieve higher accuracy Use a non conducting stick not included to hold SMD components in place see figures 9 and 10 for details When calibration is performed one can measure desired inductors and capacitors values choosing the measurement mode with L and C buttons or using the Measure drop down menu For proper measurement SMLAB 1 needs a some time Wait few seconds for device to finish the measurement When measuring capacitors values do not forget to install the shorting plug accessory F see figure 2 for details on Lx terminals SMLAB 1 internal temperature and measurement frequency information is also provided on application s measurement screen Fig
3. 5 Rantelon RF Microwave Electronics Rev 1F Issued in April 2011 Revised in October 2011 SmartLAB SMLAB 1 High Precision Digital USB LCF Meter and More User s Manual 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 1 13 5 Rantelon RF Microwave Electronics TABLE OF CONTENTS TABLE OF CONTENTS eerdere n be wbtietc ots seers ese cies siete oo beanie attendee Pood N ETE 2 CONTAC TFINFORMA FION Deena een een ene ere nee eee eee E ee eer ee ee 2 QUICK TARF OUDE prere tare ene eter eee mero ea mee tere eee ee eer eee eee eee eee 3 GENERAL INFORMATION cSceg teeter seceececcatsescecc aaron cage sveg tcecors stdessegutnaceceseaseatanassveatseansaunineasuatenieestcess 3 L METE a ee S T E ee 5 Calibrating and using LC MEeTel cccccecccsccseccceeceeeceeeceeeceuecauecaeesaeecseesaeeceeeseesgesueseeseesesseseeseesessenes 5 Examples measuring inductors and CAPACITONMS cccceccceecceeeceeeceeeeeeeaeeeeeeeeeeeeeeeeueeeeeseeseeseeaeeneeeeees 7 Factors that affect inductance measurement ACCULACY cc cece eeeceeeceeece cece eeseeeseeeeeeeaeeeeeeeseeseeaeegeees 8 FRE OVEN TME TER rr er eee eS E ee eee eee eee ee ee eee eee 10 DDS FUNCTION GENERATOR visio rasseeecsostces ccisantasensasingeuiesauteb val Sduacdos satieriseles ESAE E EE EE EEE ETETE 11 PUL E GENERATOR ane E ee E ee ee ee 12 SAFETY PRECAUTION G cerner e A eee eee eee ee eee E
4. For better environment protection please don t dispose this product In Estonia please visit www eesringlus ee web site for product recycling related information COPYRIGHT Copyright 2011 Rantelon Ltd All rights reserved All information contained in given manual has been revised thoroughly However Rantelon accepts no liability for any omissions or faults and assumes no responsibility for its use Rantelon reserves the right to change all hard and software specifications and other product related documentation without notice No parts of this document may be reproduced stored in a retrieval system transmitted in any form or by any means electronical mechanical photocopying recording or otherwise without prior written permission from Rantelon All mentioned trademarks logos and copyrights are property of their respective owners 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 13 13
5. Use sliding bars within Output 1 and Output 2 subsections to set desired duty cycle values Pulse generator works independently and can be used at the same time in parallel with the one of three SMLAB 1 functions LC meter F meter and DDS function generator However please keep in mind that only one of the three previously mentioned functions can be active at the same time For example if LC meter is chosen then F meter and DDS function generator are disabled It applies to all possible combinations SMLAB 1 internal temperature and selected prescaler information is also provided on application s measurement screen 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 12 13 5 Rantelon RF Microwave Electronics SAFETY PRECAUTIONS Never continue to use the unit after a malfunctioning or abnormality occurs Should a malfunction or abnormality foreign matter gets inside unit unit becomes wet smoke emission strange noise or odor etc ever occur immediately stop using the unit and contact manufacturer Contact information can be found on the third page of this manual Never try to disassemble repair or modify the unit Servicing should be done only by qualified personnel Contact manufacturer for details Do not touch the unit if it is connected via USB cable to the personal computer and there is lightning in your area Lightning strikes create the risk
6. of electric shock Do not install the unit in a location subject to high temperatures Direct sunlight and direct exposure to the heated air from a heater or other source can raise the interior temperature of the unit creating the risk of fire and accident When not in use Store the unit in a location that is not subject to extremely high or low temperatures Storing the unit in a closed vehicle during summer months in a location exposed to direct sunlight for long periods in a location exposed directly to the heated air of a heating device or in a location exposed to very low temperatures creates the risk of deformation discoloration and malfunction When not using the unit store it in a location that is normally at room temperature Medical equipment It is recommended that advice from a qualified expert be sought before using this product in the vicinity of emergency intensive care medical equipment It is recommended that if you have a pacemaker fitted you check with a medical expert before using this product Cleaning Clean the unit with a damp not wet cloth or an anti static wipe Never use household polish as this will damage the product Never use a dry cloth as this may cause a static shock Environmental Do not expose to direct sunlight Do not submerge any part of this product in water and do not use it in damp or humid conditions such as bathrooms Do not expose this product to fire explosive or other hazardous conditions
7. quite thin wire As a result active series resistance at 2 6 MHz measurement frequency practically has the same value as reactance That means quality or Q factor of such coils is very low The error caused by inductor s active series resistance in LC meter when measuring small inductors can be expressed as follows AL 1 4nHxQ 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 9 13 5 Rantelon RF Microwave Electronics FREQUENCY METER Frequency meter can be used to measure frequency of a sine or cosine periodic signals within the range from 200 kHz and up to 5 GHz Rantelon SmartLAB Measure Edit Tools Help Display 502 923 7 Prescaler Temperature a 79 0 C Controls Acquisition Time i second s Frequency Band 0 232 20 MHz ka Figure 13 SmartLAB application interface in frequency meter mode To perform frequency measurements switch to F meter mode either using tabs or Measure drop down menu select desired frequency band and set acquisition time Signal of interest must be applied at SMLAB 1 s RF input SMA or digital input Fx Female Header In case of small frequencies 200 kHz 200 MHz use digital input Fx For higher frequencies 200 MHz 5 GHz use RF input For connector details refer to GENERAL INFORMATION section of this manual Using digital input Fx and series resistance 10 kQ it is possible
8. 13 COPYRIGHT ene E E E E tones 13 CONTACT INFORMATION Rantelon Ltd RF Microwave Electronics Address Akadeemia tee 21G 12618 Tallinn Estonia Phone 372 681 36 50 Fax 372 681 36 51 Web www rantelon com E mail rantelon rantelon com 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 2 13 5 Rantelon RF Microwave Electronics QUICK START GUIDE For proper operation SmartLAB application requires Microsoft NET 2 0 Framework The Framework redistributable files can be downloaded from hitp download microsoft com web site use search to find package that will match your operating system Please note that you need to have administator rights to perform the installation Microsoft NET Framework should be installed prior to installing or launching PC application executable file Installation of SMLAB 1 s PC application SmartLAB is very easy Please note that you need to have administator rights to perform the installation First find the application folder on the included installation DVD Locate the installation executable file and launch it Installer application will then guide you through the setup process Once the application is installed connect the SMLAB 1 to the PC USB port and run SmartLAB application to start measuring If desired SmartLAB application can also be used in portable mode Simply copy the contents of the Portable In
9. erature and built in automatic prescaler value information is also provided on application s measurement screen DDS FUNCTION GENERATOR Based on built in direct digital synthesizer DDS SMLAB 1 s function generator is capable to generate signals of different waveforms sine triangle saw rectangle within the frequency range 0 500 kHz with resolution of 0 1 Hz Rantelon SmartLAB Measure Edit Took Help Display Waveform Temperature 29 6 C Controls Waveform Sine ha DOWN UP Frequency Step 1000 r r Frequency Tuning 4 Figure 14 SmartLAB application interface in function generator mode To use function generator switch to DDS mode either using tabs or Measure drop down menu select desired waveform and set frequency Synthesized signal will appear at digital output DDS Female Header For connector details refer to GENERAL INFORMATION section of this manual Using UP and DOWN buttons function generator output frequency can be tuned with selected frequency step It is possible to continuously change the output frequency using the Frequency Tuning Sliding bar It may be convinient in some applications Desired output frequency can be typed directly into SmartLAB application s measurement screen Only one of the three SmartLAB functions can be active at the same time If DDS function generator is chosen then LC meter and F meter are disabled It applies to all possible combina
10. n of figure 2 e E adapter for device female header e F shorting plug for TH capacitance and inductance measurements and device calibration e G range expanding capacitor e H range expanding inductor 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 4 13 5 Rantelon RF Microwave Electronics LC METER LC meter is intended for measurements of high frequency capacitors and inductors values It is possible to measure both SMD starting from 0402 size and TH lead wire distance from 2 5 up to 7 5 mm components In case of large components crocodile type short measuring cables should be used The measurements are based on parallel resonance in oscillatory circuit formed by external and internal components For details see schematic on figure 3 Approximate values of the components e Lk 7 1 uH e Ck 500 pF e Ce 1000 pF e Fo 2 66 MHz Lk FI ee f Ce O Ck Cal 1 E Figure 3 Measurement cirtcuit schematic Short Lx Cx T Calibrating and using LC meter Measurement procedure must be started with calibration During the calibration the Lx terminals must be shorted use accessory F see figure 2 for details and Cx terminals must be left open Capacitance measuring range is 0 100 nF max 470 nF with resolution 0 01 pF within the range 0 1 nF Fo
11. r wider capacitance measuring range 100 pF 2 uF replace Lx short with low self capacitance inductor 0 1 1 mH and run the calibration again The same procedure must be performed when external measuring cables are used Measurement frequency range is 2 6 MHz 100 Hz Inductance measuring range is O 10 mH max 100 mH with resolution 0 1 nH within the range 0 1 UH For wider inductance measuring range 100 UH 1 H put connect an additional capacitor 4 7 22 nF to Cx terminals and run calibration again Measurement frequency range is 2 6 MHz 100 Hz To perform calibration start SmartLAB application switch to LC meter mode either using tabs or Measure drop down menu select L or C install appropriate short open on Lx Cx physical terminals and press the CAL button see figure 4 for details The red indicator will appear on the measurement screen When the red indicator disappeares the calibration is complete For connector details refer to GENERAL INFORMATION section of this manual It is recommended to wait few minutes after connecting SMLAB 1 box to computers USB port before performing the calibration During this time SMLAB 1 warmes up It helps to achieve better measurement accuracy Only one of the three SmartLAB functions can be active at the same time If LC meter is chosen then F meter and DDS function generator are disabled It applies to all possible combinations Pulse generator
12. stallation folder to a desired location on your hard or thumb drive connect SMLAB 1 to the PC USB port and run the application to start measuring Moreover the application can be run directly from Portable Installation folder on enclosed DVD GENERAL INFORMATION Smart mini laboratory SMLAB 1 is a perfect measuring instrument that RF designers have been waiting for many years Offered by Rantelon SMLAB 1 provides an opportunity to clean your working desk from bulky and expensive measuring monsters Measuring set is a simple and smart USB box running on personal computers with various Microsoft Windows operating systems Rantelon s SMLAB 1 is an exceptional device it includes a precise high frequency capacitance and inductance meter LC meter a RF frequency meter F meter a DDS function generator and a dual output pulse generator USB Ll l RE No DA 15dBm MAX 0 2 5 5GHz SmartLAB SMLAB 1 www rantelon com Figure 1 SMLAB 1 device overview 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 3 13 5 Rantelon RF Microwave Electronics Main connectors as seen on figure 1 e A through hole TH and surface mount device SMD LC meter connectors e B frequency meter RF input e C device USB connector e D DDS function generator pulse generator and frequency meter female header Figure 2 SMLAB 1 accessories Accessories as see
13. tions Pulse generator works independently and can be used at the same time in parallel with the one of three previously mentioned functions SMLAB 1 internal temperature and selected waveform information is also provided on application s measurement screen 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 11 13 5 Rantelon RF Microwave Electronics PULSE GENERATOR Dual output pulse generator operates within the frequency range 3 kHz 12 MHz Duty cycle of each output can be set independently Rantelon SmartLAB Measure Edit Tool Help 30 000 I j Prescaler Temperature 1 4 29 7 C Frequency Prescaler 4 Tuning q Output 1 Duty Cyde 50 00 Pusle Width 16 667 u5 E Output 2 Duty Cyde 75 00 Pusle Width 25 000 uS 4 Figure 15 SmartLAB application interface in pulse generator mode To use pulse generator switch to Pulse Generator mode either using tabs or Measure drop down menu Synthesized signal will appear simultaneously at two digital outputs G1 and G2 Female Header For connector details refer to GENERAL INFORMATION section of this manual Pulse generator output frequecny can be set using the Tuning sliding bar within the Frequency subsection Pre defined prescaler can be used to change the output frequency in a flexible way Duty cycle of the outputs G1 and G2 can be set independently
14. to measure low frequency digital signals The duty cycle of the input signal must be around 50 When previously described condition are met frequencies as low as 3 kHz can be measured Acquisition time should be set to 1 second or less Short acquisition times prevent possible overflows of built in counter For better accuracy longer gt 1 s acquisition times can be used In case of especially long periods there is a possibility that the counter will be constantly overflowing and measurement results will be wrong Wait few seconds for device to finish the measurement Please check that input signal amplitude is within specified limits see SMLAB 1 datasheet for details Ignoring these guidelines will lead to wrong measurement results In worst case SMLAB 1 input circuits will be damaged With no input signal present F meter will still show some random measurement results because of the random noise always present in the input circuits Only one of the three SmartLAB functions can be active at the same time If F meter is chosen then LC meter and DDS function generator are disabled It applies to all possible combinations Pulse generator 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 10 13 5 Rantelon RF Microwave Electronics works independently and can be used at the same time in parallel with the one of three previously mentioned functions SMLAB 1 internal temp
15. ure 5 Shorting the SMD pads directly during calibration 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 6 13 5 Rantelan SMLAB 1 RF Microwave Electronics USER S MANUAL Examples measuring inductors and capacitors Figure 6 Wired coil inductor measurement Figure 7 THM capacitor measurement Figure 9 SMD capacitor measurement Figure 10 SMD inductor measurement 2011 Rantelon Ltd TEL 372 6813650 FAX 372 6813651 www rantelon com rantelon rantelon com Page 7 13 5 Rantelon RF Microwave Electronics Factors that affect inductance measurement accuracy Real world inductor inductance depends on frequency Inductance of one particular inductor may differ significantly when measured at different frequencies This is caused by following reasons Every inductor has parasitic distributed capacitance Cd between coil turns The Cd does affect impedance of the inductor In region of self resonance frequency w effective inductance Le can be higher than inductance L measured on relatively low frequencies L Le _ __ 1 w lt xLxCd As an example Coilcraft s Mini Spring series inductor s characteristics are given below see figure 11 Mini Spring Air Core Inductors Typical L vs Frequency gt py tie E Po I xr a s rT e 15 e V a OO a c 12 5 nH T c J s Oorr NTT s To Too
Download Pdf Manuals
Related Search