Gigabit Ethernet (000Base-T) Performance Data DataCom Products Group Hank Hinrichs, Principal Engineer U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.B (/00)
The following graphs typify the scattering (both balanced and unbalanced) and impedance parameters of the, a magnetic transceiver for long haul gigabit (0.ab) applications. The is designed around a 0/00/000Base-T compliant transformer, having a : turns ratio and includes a series choke for common mode signal suppression. S-parameter measurements were taken using a HP5A network analyzer connected to a HP0A cable analyzer and includes S and S, attenuation and phase response for S and S, differential to common mode rejection, common to common mode rejection ratio, and common to differential mode rejection. Z-parameter measurements were taken using a HP9A network analyzer with a HP9 RF inpedance test adapter installed, and include Z and Z. Temperature rise measurements were taken by forcing a variable DC bias through the media side (secondary) while monitoring the resistance change associated with the primary winding s temperature rise. U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
TEMPERATURE RISE VERSUS MEDIA SIDE CURRENT TEMPERATURE RISE ( C) 5 00 5 5 0.0 0.0 00 00 00 00 0 5 00 00 00 900 (.) 9 000 0 H0 00 00 00 00 (.55) 0 CURRENT (ma) THE ABOVE CHART SHOWS THE INTERNAL TEMPERATURE INCREASE (EXPRESSED IN C) ASSOCIATED WITH VARIOUS DRIVE LEVELS (EXPRESSED IN ma) APPLIED TO THE MEDIA SIDE OF AND H0. THE CURVES UPPER LIMITS ARE RESTRICTED TO LESS THAN C, THE TRANSFER MOLDING COMPOUND S GLASS TRANSITION TEMPERATURE. THE PARENTHESIZED VALUES LOCATED ABOVE THE CHART REPRESENT THE POWER DISSIPATED (EXPRESSED IN WATTS) AT EACH DEVICE S MAXIMUM CURRENT. THE FOLLOWING ALGORITHMS CAN BE USED TO APPROXIMATE THE RESPONSES: H0 TEMP RISE ( C) =.55.009 * A +.0000 * A^ +.000000055 * A^ TEMP RISE ( C) =..00 * A +.00009 * A^ +.0000000 * A^ WHERE A IS THE DRIVE LEVEL EXPRESSED IN ma. U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
S A/R log MAG 5 db / REF 0 db 5 START 00 khz STOP 0 MHz S PHASE A/R phase 5 / R E F 0 5 START 00 khz STOP 0 MHz N SWP PARAM S PHASE S 00 khz.0 db.90 0 MHz.09 db.55 0 MHz.5 db.59 0 MHz.05 db.5 5 00 MHz. db.99 : 00 MHz.95 db.0 MHz.9 db 5.5 0 MHz 5.90 db. U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
S A/R log MAG 5 db / REF 0 db 5 START 00 khz STOP 0 MHz S PHASE A/R phase 5 / REF 0 5 START 00 khz STOP 0 MHz N SWP PARAM S PHASE S 00 khz.9 db.95 0 MHz.09 db.9 0 MHz.5 db.9 0 MHz.59 db. 5 00 MHz.00 db 5.0 : 00 MHz. db.55 MHz.05 db 5.5 0 MHz.00 db. U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
S A/R log MAG 5 db / REF 0 db 5 START 00 khz STOP 0 MHz A/R log MAG S 5 db / REF 0 db 5 START 00 khz STOP 0 MHz N SWP PARAM S S 00 khz.9 db.0 db 0 MHz.5 db.9 db S : S 0 MHz.99 db. db 0 MHz.90 db.9 db 5 00 MHz. db.5 db 00 MHz 0.05 db.5 db MHz.5 db 5.59 db 0 MHz.9 db.0 db U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
S @ 5 OHMS A/R log MAG 5 db / REF 0 db 5 START 00 khz STOP 0 MHz S @ 5 OHMS A/R log MAG 5 db / REF 0 db 5 Hl d START 00 khz STOP 0 MHz N SWP PARAM 5 OHMS 5 OHMS 00 khz.99 db.00 db 0 MHz 0.9 db.0 db : S 0 MHz.09 db. db 0 MHz.59 db.9 db 5 00 MHz 5.0 db. db 00 MHz. db.50 db MHz.00 db.99 db 0 MHz. db. db U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com 5 G00.A (/00)
Z AND Z IMPEDANCE [ Z ] 5 0 / REF 0 Z 0 5 Z START MHz POWER 0 dbm STOP 0 MHz IMPEDANCE MEASURED AT THE INDICATED SIDE WITH THE OPPOSITE SIDE TERMINATED IN 00 OHMS. MEASUREMENTS TAKEN USING AN H0A CABLE ANALYZER IN CONJUNCTION WITH AN HP5A NETWORK ANALYZER. N SWP PARAM Z IMP Z IMP 0 MHz 99. 99.9 0 MHz 0.5 0.5 TCT MCT 0 MHz 05. 0. 0 MHz.. Z Z 00 MHz. 55. 5 00 MHz.. : MHz. 5. 0 MHz 5.95.0 U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
DIFFERENTIAL TO COMMON MODE REJECTION, 5 OHMS A / R & M l o g MAG 0 db / REF 0 db 5 START 00 khz POWER 0 dbm STOP 0 MHz OHMIC VALUE IN TITLE REFLECTS VALUE OF RESISTANCE BETWEEN TRANSFORMER S MEDIA CENTER TAP (MCT) AND GROUND. MEASUREMENT TAKEN USING A HP0A CABLE ANALYZER IN CONJUNCTION WITH A HP5A NETWORK ANALYZER. (PORT A) S : MCT 5 (PORT B) N SWP PARAM 5 OHMS 00 khz 5. db 0 MHz 5.0 db 0 MHz 59.0 db 0 MHz 5. db 5 00 MHz.9 db 00 MHz 5.9 db MHz. db 0 MHz 5. db U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
DIFFERENTIAL TO COMMON MODE REJECTION A / R & M l o g MAG 0 db / REF 0 db OPEN SHORT 5 START 00 khz POWER 0 dbm STOP 0 MHz SHORT/OPEN COLUMNS REFLECT WHETHER TRANSFORMER S MEDIA CENTER TAP (MCT) IS TIED TO GROUND. MEASUREMENTS TAKEN USING A HP0A CABLE ANALYZER IN CONJUNCTION WITH A HP5A NETWORK ANALYZER. (PORT A) S : MCT (PORT B) N SWP PARAM SHORT OPEN 00 khz 5. db.5 db 0 MHz 5.9 db. db 0 MHz 5. db 5.5 db 0 MHz. db.9 db 5 00 MHz 5.00 db. db 00 MHz 0.00 db 0.0 db MHz 5.5 db.059 db 0 MHz.5 db.5 db U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
COMMON MODE REJECTION RATIO, 5 OHMS A / R & M l o g MAG 0 db / REF 0 db 5 START 00 khz POWER 0 dbm STOP 0 MHz OHMIC VALUE IN TITLE REFLECTS VALUE OF RESISTANCE BETWEEN TRANSFORMER S MEDIA CENTER TAP (MCT) AND GROUND. MEASUREMENT TAKEN USING A HP0A CABLE ANALYZER IN CONJUNCTION WITH A HP5A NETWORK ANALYZER. (PORT A) S : MCT 5 (PORT B) N SWP PARAM 5 OHMS 00 khz.0 db 0 MHz.9 db 0 MHz. db 0 MHz.00 db 5 00 MHz 9.05 db 00 MHz.9 db MHz.0 db 0 MHz 5.5 db U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com 9 G00.A (/00)
COMMON MODE REJECTION RATIO A / R & M l o g MAG 0 db / REF 0 db OPEN 5 SHORT START 00 khz POWER 0 dbm STOP 0 MHz SHORT/OPEN COLUMNS REFLECT WHETHER TRANSFORMER S MEDIA CENTER TAP (MCT) IS TIED TO GROUND. MEASUREMENTS TAKEN USING A HP0A CABLE ANALYZER IN CONJUNCTION WITH A HP5A NETWORK ANALYZER. N SWP PARAM SHORT OPEN 00 khz. db. db 0 MHz 55.5 db.9 db (PORT A) S MCT (PORT B) 0 MHz. db.9 db 0 MHz 0. db 5. db 5 00 MHz.009 db.0 db 00 MHz.55 db.55 db : MHz.0 db.0 db 0 MHz.55 db. db U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com 0 G00.A (/00)
COMMON TO DIFFERENTIAL MODE REJECTION, 5 OHMS A / R & M l o g MAG 0 db / REF 0 db 5 START 00 khz POWER 0 dbm STOP 0 MHz OHMIC VALUE IN TITLE REFLECTS VALUE OF RESISTANCE BETWEEN TRANSFORMER S MEDIA CENTER TAP (MCT) AND GROUND. MEASUREMENT TAKEN USING A HP0A CABLE ANALYZER IN CONJUNCTION WITH A HP5A NETWORK ANALYZER. N SWP PARAM 5 OHMS 00 khz. db 0 MHz 0.0 db 0 MHz. db (PORT A) 5 MCT S (PORT B) 0 MHz 59.95 db 5 00 MHz 5.55 db 00 MHz.5 db MHz. db 0 MHz. db : U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
COMMON TO DIFFERENTIAL MODE REJECTION A / R & M l o g MAG 0 db / REF 0 db OPEN SHORT 5 START 00 khz POWER 0 dbm STOP 0 MHz SHORT/OPEN COLUMNS REFLECT WHETHER TRANSFORMER S MEDIA CENTER TAP (MCT) IS TIED TO GROUND. MEASUREMENTS TAKEN USING A HP0A CABLE ANALYZER IN CONJUNCTION WITH A HP5A NETWORK ANALYZER. N SWP PARAM SHORT OPEN 00 khz 0.5 db 9. db 0 MHz. db.90 db (PORT A) MCT S (PORT B) 0 MHz 5. db 5.5 db 0 MHz 5.0 db 5. db 5 00 MHz 5.0 db.9 db 00 MHz 0.59 db.5 db : MHz, db. db 0 MHz.99 db. db U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
Mechanical Schematic.90,5.5,9 X.0, X.00 0, TCT TD- : MCT MX- DATE CODE CNTRY OF MFG.0,0.0,00.0.,0,5 TCT 5 TD- : MCT 0 9 MX- X.0, X.00 0,5.5,9 SUGGESTED PAD LAYOUT TCT TD- 9 : MCT MX-.5 5,5 TCT 0 5 MCT TD- : MX-.00 SURFACES.00 0,5 X.05, 0 LEGEND C H IP Td Mx M E DI S ID E Td Td Td Mx Mx Mx A S ID E U.S.: 5 00 U.K.: 000 France: 5 0 0 Singapore: 5 99 Taiwan: 90 http://www.pulseeng.com G00.A (/00)
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