480.00 MHz SAW Filter
Ideal for DBS Receivers, IF Filter
Constant Group Delay
Improved ESD capability by integrated shunt resistors
Rugged, Hermetic, Low Profile TO-39 Package
SF480-2
Absolute Maximum Rating (Ta=25°C)
Parameter
AC Voltage Between Any Two Pins
DC Voltage Between Any Two Pins
Operating Temperature Range
Storage Temperature Range
V
PP
V
DC
Rating
5
0
-25 ~ +85
-40 ~ +85
Unit
V
V
°C
°C
T
A
T
stg
Electronic Characteristics of Channel 1
Parameter
Center Frequency (25°C)
Insertion Attenuation
3dB Bandwidth
Relative Attenuation
466.00 MHz
493.00 MHz
Lower Sidelobe
Upper Sidelobe
430.00 … 452.00 MHz
507.00 … 530.00 MHz
0.13µs … 2.0µs after main pulse
Amplitude Ripple (p-p)
Group Delay Ripple (p-p)
471.00 … 488.00 MHz
466.00 … 493.00 MHz
-
-
3.3
2.5
38
36
49.0
0.6
11.0
-86
4.5
4.5
-
-
-
1.2
18.0
-
dB
dB
dB
dB
dB
dB
ns
ppm/K
Between 3dB point
Tolerance from 480.00 MHz
Sym
f
C
Minimum
NS
-
-
-
Typical
480.00
-
21.0
27
Maximum
NS
1.0
22.5
-
Unit
MHz
MHz
dB
MHz
∆
f
C
α
BW
3
α
rel
-
32
30
40.0
-
-
-
Reflected Wave Signal Suppression
∆α
∆τ
FTC
Temperature Coefficient of Frequency
Electronic Characteristics of Channel 2
Parameter
Center Frequency (25°C)
Insertion Attenuation
3dB Bandwidth
Relative Attenuation
475.50 MHz
488.50 MHz
Lower Sidelobe
Upper Sidelobe
430.00 … 457.50 MHz
500.50 … 530.00 MHz
0.13µs … 2.0µs after main pulse
Amplitude Ripple (p-p)
Group Delay Ripple (p-p)
476.00 … 483.00 MHz
470.50 … 488.50 MHz
-
-
3.5
2.3
38
36
44.0
0.6
11.0
-86
4.5
4.5
-
-
-
1.2
18.0
-
dB
dB
dB
dB
dB
dB
ns
ppm/K
Between 3dB point
Tolerance from 480.00 MHz
Sym
f
C
Minimum
NS
-
-
-
Typical
480.00
-
21.0
18
Maximum
NS
1.0
22.5
-
Unit
MHz
MHz
dB
MHz
∆
f
C
α
BW
3
α
rel
-
32
30
40.0
-
-
-
Reflected Wave Signal Suppression
∆α
∆τ
FTC
Temperature Coefficient of Frequency
NS = Not Specified
Phone: +86 10 6301 4184
©
2003 by Vanlong Technology Co., Ltd.
Fax: +86 10 6301 9167
Email: sales@vanlong.com
Web: http://www.vanlong.com
SF480-2
VANLONG [ VANLONG TECHNOLOGY CO., LTD. ]
