TDK HHM Series دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

0.15 0.95
(1/2)
Conformity to RoHS Directive
Multilayer Chip Baluns
For UWB
HHM Series HHM1775B1
SHAPES AND DIMENSIONS
1.6±0.1 0.6±0.1
654
Terminal functions
123
1 Unbalanced port
0.55±0.1 0.3±0.1
2 GND or DC feed+ RF GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.
0.1±0.1 0.25±0.1 Dimensions in mm
RECOMMENDED PC BOARD PATTERNS
0.3 0.25 0.25
0.3
Unbal port Bal port
Land
ø0.3 Through-hole
Dimensions in mm
Line width be designed to match 50Ω characteristic impedance depending on
PCB material

ملخص المحتوى في الصفحة رقم 2

(2/2) FREQUENCY CHARCTERISTICS Unbalance 50Ω /Balance 100Ω RETURN LOSS AMPLITUDE BALANCE 0 2 1: 3100.0MHz 1: 3100.0MHz 0.14dB –5 –14.93dB 2: 4000.0MHz 1 2: 4000.0MHz –10 –19.67dB 0.46dB 3: 4900.0MHz 2 3: 4900.0MHz –15 0 –21.25dB 1 –0.74dB 1 –20 2 –1 3 3 –25 –2 –30 2500 3000 3500 4000 4500 5000 5500 2500 3000 3500 4000 4500 5000 5500 ( ) Frequency(MHz) Frequency MHz INSERTION LOSS PHASE BALANCE 0 200 1: 3100.0MHz 1: 3100.0MHz –0.79dB 178.42deg. –0.5 190 2: 4000.0MHz 2: