date: apr-21-2000 pre.by: pijunmin rev:2.0 home lan networking bandpass & 10/100 base ?t filter p/n: HR003: apply to amd 79c978 single-chip a.general specifications: 1. design for home lan networking, phoneline & 10/100-tx ethernet with common mode choke. 2. supports tut system home lan technology. 3. 16 pin smd package. b.electrical specifications @ 25 c: 1. isolation hi-pot: 1500 vrms (pri. /sec.) 2. turn ratio (+/- 5%): tx=1ct: 1ct, rx=1:1ct 3. inductance (uh ): tx& rx=550(min) 4. leakage inductance (.uh): 0.5 (max) 5. interwinding capacitance (pf): tx & rx=30(max) 6. dc resistance ( ? ): 1.0(max) 7. tut insertion@ 6mhz-9mhz ( db max):-4.0 8. tut attenuation (db): 1.0 mhz 27mhz -65 (min) -47 (min) -70 (normal) -55 (normal) 9. tut return loss: 6.0-9.0 mhz (db): -9.5 (min) c. schematics & dimensions & marking (unit mm):
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