TDK HHM Series HHM1791A1 دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

0.7
(1/2)
Conformity to RoHS Directive
Multilayer Chip Baluns
For WiMAX
HHM Series HHM1791A1
SHAPES AND DIMENSIONS
1.6±0.1 0.6±0.1
654
Terminal functions
123
1 N.C.
0.55±0.1 0.3±0.1
2 GND
3 Balanced port
4 Balanced port
5 GND
6 Unbalanced port
0.1±0.1 0.25±0.1 Dimensions in mm
CIRCUIT DIAGRAM
64 5
Unbalanced Balanced
input output
50Ω 100Ω
12 3
RECOMMENDED PC BOARD PATTERNS
0.25
0.25
This width is 50Ω .
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
65 4
12 3
0.3 0.3
ø0.3 Through-hole

ملخص المحتوى في الصفحة رقم 2

(2/2) FREQUENCY CHARACTERISTICS Unbalance 50Ω /Balance 100Ω RETURN LOSS AMPLITUDE BALANCE 0 5 1: 2500.0MHz 1: 2500.0MHz 4 –5 –17.18dB 1.11dB 3 –10 2: 2600.0MHz 2: 2600.0MHz 2 –18.25dB 0.24dB –15 1 3: 2700.0MHz 3: 2700.0MHz 1 1 0 –20 2 –19.35dB –0.64dB 3 2 –1 –25 3 –2 –30 –3 –35 –4 –40 –5 2400 2500 2600 2700 2800 2400 2450 2500 2550 2600 2650 2700 2750 2800 Frequency(MHz) ( ) Frequency MHz INSERTION LOSS PHASE BALANCE 0.0 200 1: 2500.0MHz 1: 2500.0MHz –0.5 1 2 3 –0.38dB