TDK HHM Series HHM2409 دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

0.7
(1/2)
Conformity to RoHS Directive
Multilayer Chip Directional Couplers
For DCS/Tx
HHM Series HHM2409
SHAPES AND DIMENSIONS
2.0±0.15 0.95±0.1
654
123
Terminal functions
0.65±0.2 0.3±0.2
1 Input
2 GND
3 Output
450Ω load
5 GND
6 Monitor output
0.2±0.2 0.35±0.2 Dimensions in mm
CIRCUIT DIAGRAM
Monitor
50Ω
GND
output
654
2
13
OUT
IN
GND
RECOMMENDED PC BOARD PATTERNS
0.35
0.35
This width is 50Ω .
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
0.4 0.3
ø0.3 Through-hole
Dimensions in mm
E

ملخص المحتوى في الصفحة رقم 2

(2/2) FREQUENCY CHARACTERISTICS COUPLING ISOLATION 0 0 1: 1710MHz 1: 1710MHz –15.1dB –10 –29.5dB –10 2: 1785MHz 2: 1785MHz –20 –14.8dB –28.3dB 2 1 –20 –30 2 1 –40 –30 –50 –40 –60 1500 1600 1700 1800 1900 2000 1500 1600 1700 1800 1900 2000 Frequency(MHz) Frequency(MHz) INSERTION LOSS VSWR 2.0 0 1: 1710MHz 1: 1710MHz 1.17dB –0.18dB 1.8 –0.2 1 2 2: 1785MHz 2: 1785MHz 1.15dB –0.18dB –0.4 1.6 –0.6 1.4 1.2 –0.8 1 2 1.0 –1 1500 1600 1700 1800 1900 2000 1500 1600 1700 1800