SAW Components
Data Sheet B3705
SAW Components
Low Loss Filter
Data Sheet
B3705
915,00 MHz
Ceramic package
QCC8B
Features
s
RF low-loss filter for wireless audio application
s
Package for
Surface Mounted Technology
(SMT)
s
Hermetically sealed ceramic package
s
No Matching network required for operation at
50
Ω
Terminals
s
Ni, gold plated
Dimensions in mm, approx. weight 0,1 g
Pin configuration
2
1,3
6
5,7
4,8
Input
Input Ground
Output
Output Ground
to be grounded
Type
B3705
Ordering code
B39921-B3705-Z810
Marking and Package
according to
C61157-A7-A46
Packing
according to
F61074-V8070-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
A
T
stg
V
DC
P
S
-40/+85
-40/+85
0
0
˚C
˚C
V
dBm
source impedance 50
Ω
2
Oct 21, 2002
SAW Components
Low Loss Filter
Data Sheet
Characteristics (Spec. 1)
Reference temperature:
Terminating source impedance:
Terminating load impedance:
B3705
915,00 MHz
T
A
= +5 ... 65 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
Center frequency
typ.
914,70
max.
—
MHz
f
c
—
Maximum insertion attenuation
913,90 ... 915,50 MHz
α
max
Amplitude ripple
(p-p)
913,90 ... 915,50 MHz
Relative attenuation
(relative to
α
max
)
10,00 ... 890,00
892,30 ... 895,10
903,40 ... 904,60
955,00 ...1100,00
Temperature coefficient of frequency
α
rel
MHz
MHz
MHz
MHz
∆α
—
4,0
6,0
dB
—
1,0
2,0
dB
43
30
25
38
48
35
35
45
–30
—
—
—
—
—
dB
dB
dB
dB
ppm/K
TC
f
—
3
Oct 21, 2002
SAW Components
Low Loss Filter
Data Sheet
Characteristics (Spec. 2)
Reference temperature:
Terminating source impedance:
Terminating load impedance:
B3705
915,00 MHz
T
A
= -40 ... +85 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
Center frequency
typ.
914,70
max.
—
MHz
f
c
—
Maximum insertion attenuation
914,50 ... 916,00 MHz
α
max
Amplitude ripple
(p-p)
914,50 ... 916,00 MHz
Relative attenuation
(relative to
α
max
)
α
rel
10,00 ... 890,00 MHz
892,30 ... 895,10 MHz
955,00 ...1100,00 MHz
Temperature coefficient of frequency
∆α
—
4,0
6,0
dB
—
1,0
2,0
dB
43
30
38
—
48
35
45
–30
—
—
—
—
dB
dB
dB
ppm/K
TC
f
4
Oct 21, 2002
SAW Components
Low Loss Filter
Data Sheet
Normalized frequency response (Spec.1)
B3705
915,00 MHz
Normalized frequency response (Spec. 1)
(wideband)
5
Oct 21, 2002
RF/无线
