WIDEBAND RF TRANSFORMERS
Upstream Transformers for Set-Top Box
and Cable Modem Applications
Optimized for 5-80 MHz operating frequency
Less than 20 dB return loss
Excellent insertion loss
Operating temperature of -40擄C to +85擄C
Electrical Specifications @ 25擄C 鈥?Operating Temperature -40擄C to +85擄C
Bandwidth
2, 3
Insertion Loss OCL Primary
(MHz TYP)
@ Midband
(碌H 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 鈥淭鈥?suffix to the part number (ex: C2020T).
Part
Number
Turns Ratio
Pri:Sec
(鹵2%)
Impedance Ratio
1
Pri:Sec
(鹵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 鹵 .010
0,25
PRELIMINARY C200.P (2/00)
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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
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