TDK HHM Series HHM2245SA1 دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

0.7
(1/2)
Conformity to RoHS Directive
Multilayer Chip Directional Couplers
For 2.4GHz W-LAN
HHM Series HHM2245SA1
SHAPES AND DIMENSIONS
1.6±0.1 0.6±0.1
654
Terminal functions
123
1 Input
0.55±0.1 0.3±0.1 2 GND
3 Output
450Ω load
5 GND
6 Monitor output
Dimensions in mm
0.1±0.1
CIRCUIT DIAGRAM
50Ω
Monitor GND
output
654
2
13
OUT
IN
GND
RECOMMENDED PC BOARD PATTERNS
0.25
0.25
This width is 50Ω .
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
0.3 0.3
ø0.3 Through-hole
Dimensions in mm
ELE

ملخص المحتوى في الصفحة رقم 2

(2/2) FREQUENCY CHARACTERISTICS COUPLING ISOLATION 0 0 1: 2400MHz 1: 2400MHz –5 –10 –31.1dB –16.3dB –10 2: 2500MHz 2: 2500MHz –20 –30.6dB –16.2dB –15 1 2 –20 –30 2 1 –25 –40 –30 –50 –35 –60 –40 2300 2350 2400 2450 2500 2550 2600 2300 2350 2400 2450 2500 2550 2600 ( ) Frequency(MHz) Frequency MHz INSERTION LOSS VSWR 0 2.0 1: 2400MHz 1: 2400MHz –0.13dB 1.10dB 1 –0.2 2 1.8 2: 2500MHz 2: 2500MHz –0.14dB 1.11dB –0.4 1.6 –0.6 1.4 –0.8 1.2 1 2 –1 1.0 2300 2350 2400 2450 250