TDK HHM2203SA2 Manuale utente
(1/2)
001-02 / 20080105 / e761_hhm2203sa2.fm
• All specifications are subject to change without notice.
Multilayer Chip Directional Couplers
For PCS/Tx
HHM Series HHM2203SA2
SHAPES AND DIMENSIONS
CIRCUIT DIAGRAM
RECOMMENDED PC BOARD PATTERNS
ELECTRICAL CHARACTERISTICS
∗125°C
∗2Operating temperature
Frequency range 1850 to 1910MHz
Coupling factor –12.5±1.0dB
Insertion loss 0.55dB max.∗1
0.60dB max.∗2
Isolation 25dB min.
VSWR 1.5 max.
Temperature range Operating –40 to +85°C
Storage –40 to +85°C
Conformity to RoHS Directive
0.6±0.1
0.8±0.1
0.3±0.1
0.1±0.1
1.6±0.1
654
123
0.15±0.1
Dimensions in mm
0.55±0.1
1 Input
2 GND
3 Output
450Ωload
5 GND
6 Monitor output
Terminal functions
IN OUT
6
GND
GND 50Ω
54
13
2
Monitor
output
0.3
0.25
0.25
0.6 0.3 0.6
ø0.3 Through-hole Dimensions in mm
0.7
0.3
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
•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.
(2/2)
001-02 / 20080105 / e761_hhm2203sa2.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
COUPLING
INSERTION LOSS
ISOLATION
VSWR
–25
–30
–35
1800 2000195019001850
–20
–15
–10
–5
0
Coupling factor(dB)
Frequency(MHz)
1: 1850MHz
–12.8dB
2: 1910MHz
–12.6dB
12
–40
–1
–0.8
–0.4
–0.6
–0.2
0
Insertion loss(dB)
Frequency(MHz)
1: 1850MHz
–0.27dB
2: 1910MHz
–0.29dB
12
1800 2000195019001850
Isolation(dB)
Frequency(MHz)
1: 1850MHz
–34.5dB
2: 1910MHz
–34.6dB
–25
–30
–35
1800 2000195019001850
–20
–15
–10
–5
0
–40 12
1.2
1.4
1.6
1.8
1.0
1800 1850 200019501900
2.0
VSWR(dB)
Frequency(MHz)
1: 1850MHz
1.21dB
2: 1910MHz
1.22dB
2
1
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