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 Coaxial
Directional Coupler
50
20dB 800 to 2000 MHz
Features
-55C to 100C -55C to 100C 3W Max.
! NEW
ZNDC-20-2G
Maximum Ratings
Operating Temperature Storage Temperature Power Input
* excellent insertion loss, 0.5 dB typ. * excellent VSWR, 1.15:1 typ. * very flat coupling, 0.2 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. 20.00.5 19.80.5 19.80.5 Max. Flatness 0.3 0.4 0.5
MAINLINE LOSS (dB)
Typ. Max. 0.35 0.6 0.5 0.9 0.6 1.1
DIRECTIVITY (dB)
Typ. Min. 25 25 20 17 18 14
VSWR (:1)
Typ. 1.15 1.15 1.15
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 0.33 0.35 0.37 0.39 0.46 0.53 0.60 0.64 0.69 0.73 Coupling (dB) In-Cpl 20.04 19.95 19.87 19.81 19.73 19.74 19.82 19.90 19.99 20.11 Directivity (dB) In 24.78 26.10 27.15 27.62 28.22 28.44 26.05 25.11 24.05 21.74 24.68 26.07 27.09 26.98 24.33 21.90 20.70 20.34 20.25 20.57 Return Loss (dB) Out 24.07 25.28 25.57 25.04 22.51 20.25 18.83 18.32 17.90 17.76 Cpl 20.57 20.84 21.21 21.54 22.23 23.28 24.03 24.40 24.43 24.12
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 3.56 16.00
1.20 1.00 0.80 0.60 0.40 0.20 0.00
at RF level of -10 dBm
ZNDC-20-2G INSERTION LOSS
35 COUPLING & DIRECTIVITY (dB) 30 25 20 15 10 5 0 800 1000
ZNDC-20-2G COUPLING & DIRECTIVITY
45 40 RETURN LOSS (dB) 35 30 25 20 15 10 5 0 2000
at RF level of -10 dBm
ZNDC-20-2G RETURN LOSS
INSERTION LOSS (dB)
CPL 1200 1400 1600 FREQUENCY (MHz)
DIRECT 1800
RL-IN 800 1000
RL-OUT
RL-CPL 2000
800
1000
1200
1400
1600
1800
2000
FREQUENCY (MHz)
1200 1400 1600 FREQUENCY (MHz)
1800
Mini-Circuits
DC2
(R)
INTERNET http://www.minicircuits.com P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers NORTH AMERICA 800-654-7949 * 417-335-5935 * Fax 417-335-5945 * EUROPE 44-1252-832600 * Fax 44-1252-837010
ISO 9001 CERTIFIED
REV. OR M91182 ED-6521/3 ZNDC-20-2G WZ/TD/CP 040325


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