SAW Components
Data Sheet B 686
SAW Components
Satellite Receiver Filter
Data Sheet
B 686
480,00 MHz
Metal package
TO 39
Features
s
IF filter for DSB receivers
s
Constant group delay
Terminals
s
Gold-plated NiFeCo alloy
Dimensions in mm, approx. weight 1,0 g
Pin configuration
1
2
3
Input
Output
Ground
(Output)
(Input)
Type
B 686
Ordering code
B39481-B 686-B510
Marking and Package
according to
C61157-A7-A28
Packing
according to
F61064-V8011-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
AC voltages
T
A
T
stg
V
DC
V
pp
–25/+85
–40/+85
0
5
˚C
˚C
V
V
between any terminals
between any terminals
2
Dec 14, 1999
SAW Components
Satellite Receiver Filter
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Group delay aperture
B 686
480,00 MHz
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
3,6 MHz
min.
typ.
21,0
max.
22,5
dB
Insertion attenuation
Reference level for the
following data
Center frequency
Pass bandwidth
480,00 MHz
α
—
f
c
479,00
480,00
481,00 MHz
α
rel
≤
3 dB
B
3dB
Relative attenuation
462,00
498,00
430,00 ... 450,00
510,00 ... 530,00
MHz
MHz
MHz
MHz
α
rel
–
36,2
–
MHz
Lower sidelobe
Upper sidelobe
—
—
36,0
36,0
3,0
2,9
41,0
42,0
4,2
4,2
—
—
dB
dB
dB
dB
Reflected wave signal suppression
0,1µs … 2,0
µs
after main pulse
Amplitude ripple (p–p)
467,00 ... 493,00 MHz
Amplitude tilt
467,00 ... 493,00 MHz
Group delay
480,00 MHz
τ
∆α
40,0
48,0
—
dB
—
0,3
0,5
dB
—
—
0,02
274,0
—
—
dB/MHz
ns
Group delay ripple (p–p)
∆τ
466,50 ... 493,50 MHz
Impedance
at 480,00 MHz
Input:
Z
IN
=
R
IN
||
C
IN
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
—
1,4
3,0
ns
—
—
60 || 4,8
260||3,1
– 86
—
—
—
Ω
|| pF
Ω
|| pF
ppm/K
TC
f
—
3
Dec 14, 1999
SAW Components
Satellite Receiver Filter
Data Sheet
Frequency response
B 686
480,00 MHz
4
Dec 14, 1999
SAW Components
Satellite Receiver Filter
Data Sheet
Frequency response
B 686
480,00 MHz
Time domain response
5
Dec 14, 1999
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