(1/2)
Conformity to RoHS Directive
Multilayer Chip Directional Couplers
For 2.4GHz W-LAN
HHM Series HHM2917B1
SHAPES AND DIMENSIONS
1.00.05
43
12
0.50.15
Terminal functions
1 Coupling
250 term
3 Output
4 Input
+0.15
0.25
0.10
Dimensions in mm
RECOMMENDED PC BOARD PATTERNS
0.15 0.4
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Frequency range 2400 to 2500MHz
Coupling factor 10.81.0dB
1
0.72dB max.
Insertion loss
2
0.75dB max.
Isolation 28dB min.
VSWR 1.5max.
Operating 40 to +85C
Temperature range
Storage 40 to +85C
1
25C
2
Operating temperature
Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
All specifications are subject to change without notice.
001-02 / 20130901 / rf_coupler_hhm2917b1_en.fm
0.4max. 0.50.05
+0.10
0.30.15 0.10.05
0.1 0.35(2/2)
FREQUENCY CHARACTERISTICS
COUPLING ISOLATION & DIRECTIVITY
0 0
1: 2400MHz Isolation Directivity
5
10.9dB : :
10
1: 2400MHz 1: 2400MHz
2: 2450MHz
10
10.8dB 33.6dB 22.7dB
1 2 3
15
20 2: 2450MHz 2: 2450MHz
3: 2500MHz
20 33.1dB 22.3dB
10.6dB 2 3
1
3: 2500MHz 3: 2500MHz
30
25
32.2dB 21.6dB
3
2
30 1
40
35
50
40
2200 2300 2400 2500 2600 2700 2200 2300 2400 2500 2600 2700
Frequency(MHz) Frequency(MHz)
INSERTION LOSS VSWR
0 2.0
1: 2400MHz 1: 2400MHz
0.55dB 1.36
0.5
1.8
2: 2450MHz 2: 2450MHz
1
2
3
0.57dB 1.38
1.0
1.6
3: 2500MHz 3: 2500MHz
1.5 0.60dB 1.39
1.4
2.0
2 3
1
1.2
2.5
3.0 1.0
2200 2300 2400 2500 2600 2700 2200 2300 2400 2500 2600 2700
( ) ( )
Frequency MHz Frequency MHz
All specifications are subject to change without notice.
001-02 / 20130901 / rf_coupler_hhm2917b1_en.fm
Insertion loss(dB) ( )
Coupling factor dB
VSWR
( )
Isolation & Directivity dB