Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Bandwidth
2, 3
Insertion Loss OCL Primary
(MHz TYP)
@ Midband
(µH MIN)
(dB TYP)
3 dB
2 dB
1 dB
C2020
1CT:1CT
1CT:1CT
.150-210
.200-150
.350-90
.54
35
C2022
1:4CT
1:2CT
.100-500
.150-390
.300-220
.45
50
NOTE:
Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part number (ex: C2020T).
Part
Number
Turns Ratio
Pri:Sec
(±2%)
Impedance Ratio
1
Pri:Sec
(±2%)
Return Loss
4
5 MHz - 65 MHz
(dB TYP)
>20 dB
>20 dB
Schem.
A
B
Primary
Pins
1-3
1-3
Mechanical
LS
Schematics
6
5
4
.258
6,55
1
2
3
A
6
5
4
.390
9,91
C202X
DATE CODE
.275 MAX
7,00
.040
1,02
.240
6,10
.075
1,91
1
B
6
5
1
2
3
.300 MAX
7,62
SUGGESTED PAD LAYOUT
3
4
.250
6,35
.100
2,54
.200
5,08
Weight
. . . . . . . . . . . . . .0.6 grams
Tape & Reel
. . . . . . . . . . . .500/reel
Tube
. . . . . . . . . . . . . . . . . .70/tube
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
PRELIMINARY C200.P (2/00)
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
·
U.S: 858 674 8100
U.K: 44 1483 401 700
France: 33 3 84 35 04 04
Singapore: 65 287 8998
Taiwan: 886 2 2698 0228
http://www.pulseeng.com
WIDEBAND RF TRANSFORMERS
Upstream Transformers for Set-Top Box
and Cable Modem Applications
Application Notes
C. Materials used in the products are UL94-V0 recognized.
Products meet the requirements of IEC 695-2-2 (Needle Flame
Test).
Notes from Tables
1. Impedance and turns ratios are specified primary:secondary.
(CT=Center Tap).
2. Bandwidth is referenced to midband loss.
3. The insertion loss of these transformers is verified from -40°C
to +85°C. Insertion loss over this temperature range is less
than 1 dB from 5-80 MHz (relative to midband loss).
4. Return loss performance changes with change in temperature.
C2020 - Typical Insertion Loss
0
Insertion Loss (dB)
1
2
3
4
0.1
1
10
100
500
Frequency (MHz)
C2022 - Typical Insertion Loss
0
Insertion Loss (dB)
1
2
3
4
0.1
1
10
100
500
Frequency (MHz)
For More Information :
UNITED STATES
(Worldwide)
12220 World Trade Drive
San Diego, CA 92128
Quick-Facts: 858 674 9672
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
UNITED KINGDOM
(Northern Europe)
1 & 2 Huxley Road
The Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
FRANCE
(Southern Europe)
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
SINGAPORE
(Southern Asia)
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 287 8998
FAX:65 280 0080
TAIWAN, R.O.C.
(Northern Asia)
3F-4, No. 81, Sec. 1
HsinTai Wu Road
Hsi-Chih, Taipei Hsien
Taiwan, R.O.C.
Tel: 886 2 2698 0228
FAX: 886 2 2698 0948
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.
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