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Akustick´ y odpor rav pˇredstavuje zjednoduˇsen´ y tvar vyzaˇrovac´ı impedance pˇredn´ı plochy membr´any.
https://www.pdf-archive.com/2014/09/10/mereni-3/
10/09/2014 www.pdf-archive.com
Jeho pøíkon pro danou reproduktorovou soustavu se stanoví podle vzorce P = U2/Z kde U je efektivní hodnota napìtí (opìt dlouhodobì prùmìrovaná) a Z je jmenovitá impedance soustavy.
https://www.pdf-archive.com/2014/09/06/srs1-9-stav-me-reprosustavy/
06/09/2014 www.pdf-archive.com
IMPEDANCE ANALYZER IM3570 Component measuring instruments Single Device Solution for High Speed Testing and Frequency Sweeping With this new IM3570 Impedance Analyzer, an LCR meter and an impedance analyzer capable of measurement frequencies of 4 Hz to 5 MHz and test signal levels of 5 mV to 5 V have been combined into one measuring instrument.
https://www.pdf-archive.com/2015/12/25/hioki-im3570-eng/
25/12/2015 www.pdf-archive.com
a) modul elektrické impedance, rezonanční kmitočet b) hmotnost a poddajnost membrány c) činitel jakosti a mechanický odpor d) konstantu Bl Náhradní obvod reproduktoru v ozvučnici i L R m u r cm p F Zvyz S K=Bl cak V = κ .p0 cak -S Určení modulu elektrické impedance a rezonančního kmitočtu K měření rezonančního kmitočtu a modulu elektrické impedance použijeme zapojení podle obrázku.
https://www.pdf-archive.com/2014/09/10/mereni-2/
10/09/2014 www.pdf-archive.com
IMPEDANCE ANALYZER IM7583, IM7585 Component Measuring Instruments IM7583 Measurement frequency 1 MHz IM7585 High Stability MHz Measurement frequency 1 MHz High Speed to 600 to 1.3 Measurement time:
https://www.pdf-archive.com/2015/12/25/hioki-im7583-eng/
25/12/2015 www.pdf-archive.com
BATTERY IMPEDANCE METER BT4560 Component measuring instruments Determine Li-ion battery reliability in just 10 seconds Low-frequency AC-IR measurement without charging/discharging substantially reduces the time needed to inspect the internal resistance of battery cells.
https://www.pdf-archive.com/2015/12/24/hioki-bt4560-eng/
24/12/2015 www.pdf-archive.com
This instantaneous relay is more effective when the impedance Zs between the source and the relay is small compared with the impedance Z1 of the section to be protected.
https://www.pdf-archive.com/2015/03/25/over-current-realys/
25/03/2015 www.pdf-archive.com
The secondary current of the CTs will circulate through the combined impedance of the pilot wires and CTs.
https://www.pdf-archive.com/2015/03/25/differential-protection/
25/03/2015 www.pdf-archive.com
50Ωand 75Ω impedance are optional BARLIN TIMES TECHNOLOGY CO.,LTD www.barlintimes.com · sales@barlintimes.com · +86-755-2871-4687 1 Professional slip ring supplier.
https://www.pdf-archive.com/2015/11/27/coax-rotary-joint/
27/11/2015 www.pdf-archive.com
AND while the output impedance for a cascode stage is a bit high, the output impedance for a cascode stage designed around a tube that is meant for cascodes (6922, 6dj8, 6N1P) can be much lower than the output impedance of a G.C.
https://www.pdf-archive.com/2012/10/08/alex-kenis-cascodes/
08/10/2012 www.pdf-archive.com
CHEMICAL IMPEDANCE ANALYZER IM3590 Component measuring instruments Ideal for Measuring Electrochemical Impedance Hioki’s Chemical Impedance Analyzer IM3590 is designed to perform impedance (LCR) measurement of electrochemical components and materials.
https://www.pdf-archive.com/2015/12/25/hioki-im3590-eng/
25/12/2015 www.pdf-archive.com
Zkreslení, impedance...) Stavíme reproduktorové soustavy (XXII) RNDr.
https://www.pdf-archive.com/2014/09/06/srs20-29/
06/09/2014 www.pdf-archive.com
Impedance Analyzer IM3570 option EQUIVALENT CIRCUIT ANALYSIS FIRMWARE IM9000 Components Measuring Instruments Enabling Simple Circuit Analysis and Detailed Acceptance/Rejection Decision-Making The Equivalent Circuit Analysis Firmware IM9000 is an optional function that enables equivalent circuit analysis using the Impedance Analyzer IM3570.
https://www.pdf-archive.com/2015/12/25/hioki-im9000-eng/
25/12/2015 www.pdf-archive.com
Comparing Features of CYME/SINCAL/NEPLAN/PSSE/DIgSIL ENT/ ETAP Modeling/Modules/Database/estimation / Features/Facilities 1 Equipment's Modeling 2 Equipment CYME SINCAL NEPLAN PSS/E DIgSILENT ETAP √ √ √ √ √ √ Individual PI Modeling for harmonic analysis √ √ √ - √ √ Distributed Model for fundamental frequency , considering G √ - √ √ √ - Distributed Transposed & distributed transposed with skin effect model for harmonic analysis √ - √ - √ - √ √ √ √ √ √ equivalent Impedance % for fundamental frequency analysis √ √ √ √ √ √ Detail Modeling of upstream substation in fundamental frequency analysis √ - - - - - Model as equivalent impedance % for harmonic orders √ √ √ - √ √ CABLE PI Model in Fundamental frequency, Considering R , X & B (phase & sequence), Power Grid (Network Equivalent ) 3 Equipment CYME SINCAL NEPLAN PSS/E DIgSILENT ETAP √ √ - - - - - √ √ - - - Two winding Transformer, √ √ √ √ √ √ Z% and X/R(positive/zero) Star , Delta, Shell type, No Load Losses √ √ √ √ √ √ Open delta √ - - - - √ Zigzag √ √ √ √ √ - User defined Equivalent harmonic impedance modeling for each harmonic order according to harmonic frequency scan of upstream source Exponential Function for harmonic modeling 4 Equipment CYME SINCAL NEPLAN PSS/E DIgSILENT ETAP √ - √ √ - - Grounding Transformer √ √ - - - - Regulator, star, delta, open phase √√ √ √ - √√ - Two winding Auto transformer √ - √ - - - Three winding transformer √ √ √ √ √ √ Z% and X/R(positive/zero) Star , Delta, Shell type, No Load Losses √ √ - √ √ √ Zigzag √ √ √ √ √ - - √ - - - Core type, Y0/DO Three winding Auto transformer √ 5
https://www.pdf-archive.com/2014/05/18/cyme-neplan-sincal-digsilent-psse-etap/
18/05/2014 www.pdf-archive.com
konkrétně těch, které mají izolační odpor mezi vodiči velmi veliký, je vlnová impedance a rychlost šíření závislá na frekvenci.
https://www.pdf-archive.com/2014/09/10/bs-mzar/
10/09/2014 www.pdf-archive.com
2 For Production Lines The Perfect Impedance Analyzer Product Lineup IM3533,IM3533-01 IM3523 *1 The check and double-check marks in the “Usage” rows indicate the recommendation level.
https://www.pdf-archive.com/2015/12/25/hioki-im3523-eng/
25/12/2015 www.pdf-archive.com
10000 (GOS-653G only) FEATURES AUTO, NORM, SINGLE CH1, CH2, ALT, LINE, EXT AC, DC, HF REJ, TV + ,, or - ,, * Z Axis Input ,, A(main) Sweep Time * 50MHz Bandwidth, Dual Channel * Delayed Sweep(GOS-653G) GOS-620 (20MHz) HORIZONTAL SYSTEM ,, FEATURES Rise Time Signal Delay Input Impedance Input Coupling Vertical Mode _ 5% _ 3%,1mV ~ 2mV/div + 5mV/div ~ 5V/div + DC ~ 50MHz DC ~ 15MHz at 1 ~ 2mV/div 7ns (23.3ns for 1 ~ 2mV/div) leading edge can be monitored(GOS-653G only) Approx.
https://www.pdf-archive.com/2015/04/01/instekgos-635g-622g-620-specsheet/
01/04/2015 www.pdf-archive.com
Short circuit temperature rise and earth fault loop impedance are significant factors to verify the cable size [1].
https://www.pdf-archive.com/2016/09/25/01-506-manuscript-cable-sizing-1/
25/09/2016 www.pdf-archive.com
Obdobnì by se postupovalo v pøípadì, e by zatìovací impedance v obou vìtvích nebyly shodné.
https://www.pdf-archive.com/2014/09/06/srs10-19/
06/09/2014 www.pdf-archive.com
Line Frequency fL Tx Output Impedance Zout,TX Rx Input Impedance Zin,RX Typ.
https://www.pdf-archive.com/2016/06/09/blueoptics-bo08c28s1-1000base-t-sfp/
09/06/2016 www.pdf-archive.com
Line Frequency fL Tx Output Impedance Zout,TX Rx Input Impedance Zin,RX Typ.
https://www.pdf-archive.com/2016/06/09/blueoptics-bo08c38s1-10-100-1000base-t-sfp/
09/06/2016 www.pdf-archive.com
The resistors set the source and termination impedance to match the characteristic impedance of the cable.
https://www.pdf-archive.com/2016/06/19/aes1998/
19/06/2016 www.pdf-archive.com
Therefore both wires (NR and R) must be well clamped (R wire as shortest as possible to reduce its internal impedance), and welding points on wires must be clean of any residual dirt (greasiness, patina, previous welding attempts coating).
https://www.pdf-archive.com/2013/05/07/spotty-v1-manual/
07/05/2013 www.pdf-archive.com
50Ωand 75Ω impedance are optional BARLIN TIMES TECHNOLOGY CO.,LTD www.barlintimes.com · sales@barlintimes.com · +86-755-2871-4687 1 Professional slip ring supplier.
https://www.pdf-archive.com/2015/11/27/crj-01/
27/11/2015 www.pdf-archive.com
50Ωand 75Ω impedance are optional BARLIN TIMES TECHNOLOGY CO.,LTD www.barlintimes.com · sales@barlintimes.com · +86-755-2871-4687 1 Professional slip ring supplier.
https://www.pdf-archive.com/2015/11/27/crj-02/
27/11/2015 www.pdf-archive.com