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Emhiser
Tele-Tech Inc.... Excellence
by Design in the Rocky Mountains Directional
Couplers
Selection Guide
ETTI
is a source for drop-in replacements for discontinued Watkins-Johnson and other manufacturer's
components. Directional Couplers Model
Number
Operating Frequency Coupling Directivity
Minimum Loss
Maximum Flatness VSWR
Maximum
Package Type 1720-2120
MHz 10/40
dB 20
dB 0.6
dB ±.25
dB 1.3:1 SMA .5
- 500 MHz 9.5±.5
dB 15
dB 1.5
dB ±.25
dB 2:1 8L Flat Pack .5 - 500 MHz 20±.5
dB 15
dB 0.5
dB ±.25
dB 1.15:1 1
MHz - 1 GHz 10.5±.5
dB 20
dB 1.8
dB ±.6
dB 1.5:1 .5 - 500 MHz 9.5±.5
dB 18
dB 2
dB ±.5
dB 2:1 TO-5 .5 - 500 MHz 20±.5
dB 15
dB .75
dB ±.5
dB 1.15:1 TO-5 10
MHz - 1 GHz 10±.5
dB 12
dB 1.7
dB ±1
dB 2:1 SMD 500
kHz - 500 MHz 16±1
dB 20
dB 1.0
dB ±.5
dB 1.5:1 SMD 10-500 MHz 6±1
dB 20
dB 3
dB ±.5
dB 2:1 SMD
Model
Number
Operating Frequency Isolation
Minimum Directivity
Minimum VSWR
Maximum
Package Type All parameters are typical. See individual
data sheets for frequency specific information.
To
change to other product guides - click on product type below
Mixers
2-Way In-Phase
Divider/Combiners
N-Way In-Phase
Divider/Combiners
Directional
Couplers
90° to 180° Hybrids
IQ Assemblies
Custom
Assemblies
CC60-27
CC60-28
1720-2120 MHz
30/30 dB
20 dB
0.25 dB
±.25 dB
1.2:1
SMA
CC60-29
869-894 MHz
25 dB
22 dB
0.25 dB
±.25 dB
1.2:1
SMA
CF80
CF80-27
.5 - 500 MHz
11±.5 dB
15 dB
1.5 dB
±.25 dB
2:1
8L Flat Pack
CF81
8L Flat Pack
CR80A
8L Flat Pack
CT50
CT50-27
.5
- 400 MHz
9±.5
dB
18
dB
2
dB
±.5dB
2:1
TO-5
CT51
CX60
CX60A
10 MHz-1 GHz
10±.5 dB
20 dB
1.8 dB
±1 dB
1.7:1
SMD
CX60-27
CX61-27
50-1500 MHz
19.5±1 dB
15 dB
1.5 dB
±.75 dB
1.5:1
SMD
CX66
CX66-27
10-500 MHz
6±1 dB
20 dB
3 dB
±.5 dB
2:1
SMD
Passband
loss
Test
Port
BC44-27
1930
- 1990 MHz
24
dB
20
dB
6.2
- 6.8 dB
-40±-.1dB
1.3:1
TNC
BC44-28
820
- 900 MHz
25
dB
20
dB
6.6
- 7.2 dB
-20±.1dB
1.3:1
TNC