Directional Coupler 50 18dB 800 to 2000 MHz
Coaxial
Directional Coupler
50Ω
18dB 800 to 2000 MHz
Features
-55°C to 100°C -55°C to 100°C 3W Max.
! NEW
ZNDC-18-2G
...
Description
Coaxial
Directional Coupler
50Ω
18dB 800 to 2000 MHz
Features
-55°C to 100°C -55°C to 100°C 3W Max.
! NEW
ZNDC-18-2G
Maximum Ratings
Operating Temperature Storage Temperature Power Input
excellent insertion loss, 0.5 dB typ. excellent VSWR, 1.15:1 typ. very flat coupling, ±0.3 dB typ.
CASE STYLE: FM587 PRICE: $49.95 ea. QTY (1-9)
Applications Pin Connections
INPUT OUTPUT COUPLED 1 2 3 FREQ. RANGE (MHz)
fL-fU 800-2000 800-1000 1000-1700 1700-2000
cellular PCS ISM
Directional Coupler Electrical Specifications
COUPLING (dB)
Nom. 18.5±0.5 18.2±0.5 18.0±0.5 Max. Flatness ±0.3 ±0.4 ±0.35
MAINLINE LOSS (dB)
Typ. Max. 0.3 0.6 0.5 0.9 0.6 1.1
DIRECTIVITY (dB)
Typ. Min. 22 25 25 17 18 14
VSWR (:1)
Typ. 1.1 1.2 1.3
POWER INPUT (W)
Max. 3 3 3
Outline Drawing
Typical Performance Data
Frequency (MHz) 800.00 900.00 1000.00 1100.00 1300.00 1500.00 1700.00 1800.00 1900.00 2000.00 Insertion Loss (dB) In-Out 0.35 0.36 0.38 0.41 0.46 0.53 0.58 0.63 0.67 0.70 Coupling (dB) In-Cpl 18.76 18.64 18.53 18.42 18.23 18.09 17.98 17.96 17.97 17.98 Directivity (dB) In 23.37 24.53 25.86 27.49 30.98 39.09 35.88 29.68 25.97 22.69 21.37 22.59 24.03 25.01 25.09 23.97 23.18 22.92 22.85 23.35 Return Loss (dB) Out 21.29 22.52 23.48 24.10 23.78 22.61 21.27 20.69 20.31 20.36 Cpl 21.05 21.97 22.73 23.40 23.61 21.52 19.43 18.20 16.89 15.85
Outline Dimensions (inch mm )
A B C 2.00 1.25 .75 50.80 31.75 19.05 J .44 11.18 K .38 9.65 D E .17 1.656 4.32 42.06 wt. grams 57 F .15 3.81 G H .140 .63 3...
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