RF Devices
Type :
Directional Coupler
Part No :
EHF
_ _ _ _ _ _ _
Features
Miniature, thin (1.6
½
0.8
½
t 0.55)
Multiple frequency ranges available (800MHz to 2000 MHz)
High isolation
Recommended Applications
Digital portable telephone
Dual-mode portable telephone
PHS
Mobile communication system
Typical Characteristics
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
Part No.
Frequency (MHz)
Isolation (dB)
Dimension No.
10
4CH0850
800 to 900
20 min
※1
2CH1900
1850 to 1950
18 min
※2
4CH1750
1700 to 1800
19 min
※1
2CH1950
1900 to 2000
18 min
※2
4CH1900
1850 to 1950
18 min
※1
4CH1950
1900 to 2000
17 min
※1
11
2CJ0850
800 to 900
21 min
※2
4CJ1900
1850 to 1950
18 min
※1
2CJ0900
850 to 950
21 min
※2
4CJ1450
1400 to 1500
21 min
※1
4CJ1750
1700 to 1800
18 min
※1
4CJ1950
1900 to 2000
18 min
※1
2CJ1750
1700 to 1800
20 min
※2
12
2CK1900
1850 to 1950
22 min
※2
4CK1750
1700 to 1800
18 min
※1
4CK1900
1850 to 1950
18 min
※1
4CK1950
1900 to 2000
18 min
※1
2CK1950
1900 to 2000
21 min
※2
13
4CL1900
1850 to 1950
19 min
※1
4CL1450
1400 to 1500
22 min
※1
4CL1750
1700 to 1800
20 min
※1
4CL1950
1900 to 2000
19 min
※1
2CL1450
1400 to 1500
22 min
※2
2CL1750
1700 to 1800
23 min
※2
4CL1950A
1900 to 2000
24 min
※1
Coupling Factor
(dB)
14
15
2CM1900
2CN1900
1850 to 1950 1850 to 1950
24 min
25 min
※2
※2
FD1541
2CN1750
1850 to 1950 1700 to 1800
19 min
25 min
※3
※2
2CM0900
4CN0850
850 to 950
800 to 900
24 min
25 min
※2
※1
4CM1750
4CN0900
1700 to 1800
850 to 950
19 min
25 min
※1
※1
2CM1950
4CN1450
1900 to 2000 1400 to 1500
24 min
22 min
※2
※1
4CM1950
4CN1750
1900 to 2000 1700 to 1800
18 min
19 min
※1
※1
4CM0950
4CN1950
900 to 1000
1900 to 2000
24 min
25 min
※1
※1
4CM1450
2CN1950
1400 to 1500 1900 to 2000
21 min
25 min
※1
※2
4CM1900
1850 to 1950
18 min
※1
2CM1750
1700 to 1800
25 min
※2
16
4CP1950
1900 to 2000
26 min
※1
4CP0900
850 to 950
23 min
※1
4CP0950
900 to 1000
24 min
※1
4CP1450
1400 to 1500
23 min
※1
4CP1750
1700 to 1800
26 min
※1
4CP1900
1850 to 1950
26 min
※1
2CP0900
850 to 950
26 min
※2
2CP0950
900 to 1000
26 min
※2
2CP1450
1400 to 1500
26 min
※2
17
2CQ0850
800 to 900
27 min
※2
FD1540
800 to 1000
24 min
※3
4CQ0850
800 to 900
25 min
※1
FD1548
1700 to 1800
23 min
※3
4CQ1900
1850 to 1950
27 min
※1
4CQ1750
1700 to 1800
27 min
※1
4CQ0950
900 to 1000
24 min
※1
4CQ1450
1400 to 1500
27 min
※1
4CQ1950
1900 to 2000
27 min
※1
4CQ1810
1710 to 1910
27 min
※1
18
19
4CR0850
4CS1750
800 to 900 1700 to 1800
25 min
29 min
※1
※1
4CR0900
4CS0850
850 to 950
800 to 900
25 min
27 min
※1
※1
4CR0950
4CS0900
900 to 1000
850 to 950
25 min
27 min
※1
※1
4CR1750
4CS1450
1400 to 1500 850 to 950
28 min
29 min
※1
※1
4CS0897
4CR1900
1850 to 1950 880 to 915
28 min
28 min
※1
※1
2CR0900
850 to 950
28 min
※2
20
4CT0870
820 to 920
27 min
※1
4CT0850
800 to 900
28 min
※1
FD1542
1850 to 1950
26 min
※3
4CT1810
1710 to 1910
25 min
※1
4CT0900
850 to 950
26 min
※1
4CT0950
900 to 1000
25 min
※1
4CT1450
1400 to 1500
30 min
※1
2CT0950
900 to 1000
30 min
※2
2CT1810
1710 to 1910
25 min
※2
4CT0835
820 to 850
30 min
※1
（Dual）
Part No.
FD1819
2WJ0836
FD1812D
FD1824
FD1825
Frequency (MHz)
824 to 849
824 to 849
880 to 915
880 to 915
880 to 915
Range 1
Coupled Value (dB)
20
14
19
14
19
Isolation (dB)
25 min
17 min
24 min
18 min
24 min
Frequency (MHz)
1850 to 1910
1850 to 1910
1710 to 1785
1710 to 1785
1710 to 1785
Range 2
Coupled Value (dB)
16
14
14
14
19
Isolation (dB)
20 min
20 min
17 min
18 min
23 min
Dimension No.
※4
※4
※4
※4
※4
Note: Emits EHF
.
Dimensions in mm
（not
to scale）
※
1
0.8±0.1
0.55±0.1
1.6±0.1
※
2
1.25±0.1
0.95±0.1
※
3
1.6±0.2
0.65±0.1
1.6±0.2
※
4
1.25±0.1
0.95±0.1
2.0±0.1
2.0±0.1
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Mar 2005
Shoud a safety concern arise regarding this product, please be sure to contact us immediately.
Microchip MCU