Mechanical Schematic
5X 0° 8°
5X .030
0,76
SUGGESTED PAD LAYOUT
5X .039
1,00
.059
1,50
.118
3,00
.114
2,90
.236
6,00
CX2072
Date Code Country of Origin
.169
±
.004
4,30
±
0,10
.106
2,69
.059
1,50
.118
3,00
.209
±
.004
5,30
±
0,10
.028
±
.004
0,71
±
0,10
Pin 1
.002/0,05
5 SURFACES
.003
±
.002
0,08
±
0,05
.150 MAX
3,81 MAX
RF TRANSFORMER
For Wideband RF Applications
For single-ended to balanced applications
Value-oriented construction
Miniature surface mount package
Excellent insertion loss
Designed for CATV Distribution/Drop Amplifiers ,
Set Top Boxes and Home Gateways
CX2072
C227.A (2/04)
Weight . . . . . . . . . . . . . .0.43 grams
Tape & Reel . . . . . . . . . .2200 /reel
Tray . . . . . . . . . . . . . . . . .100 /tray
PRI : SEC
16
34
Part Impedance Ratio1Insertion Loss Return Loss Phase Amplitude
Number Pri:Sec Unbalance Unbalance
(±2%) (10-50 MHz) (50-870 MHz) (870-1000 MHz) (10-50 MHz) (50-100 MHz) (10-1000 MHz) (10-1000 MHz)
CX2072 1:1 1.0 dB MAX 0.5 dB MAX 0.7 dB MAX >40/20 dB TYP/MIN >30/20 dB TYP/MIN 6 deg. MAX 1 dB MAX
NOTE: Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part number (ex: CX2072T).
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Dimensions: Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
US 858 674 8100
••
UK 44 1483 401 700
••
France 33 3 84 35 04 04
••
Singapore 65 6287 8998
••
Taiwan 886 2 2698 0228
••
Hong Kong 852 2788 6588
••
http://www.pulseeng.com
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
©2004, Pulse Engineering, Inc. All Rights Reserved. C227.A (2/04)
RF TRANSFORMER
For Wideband RF Applications
A pplication Notes
A. Bandwidth specifications for CX2072 are for a 75Ωsystem.
B. Materials used in the products are UL94-V0 recognized. Products
meet requirements of IEC 695-2-2 (Needle Flame Test).
C. For additional impedance ratios and frequency ranges, please
contact Applications Engineering.
D. Pick and place operation: smooth upper surface of device allows
automatic pick and place.
Notes from Tables
1. Impedance and turns ratios are specified primary:secondary. 2. These transformers are verified to operate from -40°C to +85°C.
Contact Applications Engineering for performance data.
CX2072 - Typical Insertion Loss
0
110 100 1000
Frequency (MHz)
Insertion Loss (dB)
1
2
3
4
CX2072 - Amplitude Unbalance
11000
Frequency (MHz)
(dB)
+0.5
0.0
-0.5
500
CX2072 - Phase Unbalance
180
°
11000
Frequency (MHz)
Phase
178
°
176
°
174
°
172
°
50050
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U.S.A.
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
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Orgelet
France
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FAX: 33 3 84 25 46 41
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FAX: 886 2 2698 0948
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#07-01/02
KA Centre
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9/F, Phase 2, Tai Sang
Shatin Warehouse Centre
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FAX: 852 2776 1055
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