SAW Components
Data Sheet B3648
SAW Components
Low-Loss Filter
Data Sheet
B3648
392,5 MHz
Ceramic package QCC8C
Features
Low-loss filter (RX) for Trunked Radio
Usable bandwidth 5 MHz
No matching required for operation at 50
Ω
Package for Surface Mounted Technology
(SMT)
q
Hermetically sealed ceramic package
q
q
q
q
Terminals
q
Gold-plated
typ. Dimensions in mm, approx. weight 0,10 g
Pin configuration
2
3
6
7
1, 5
4, 8
Input
Input ground
Output
Output ground
Ground
Case ground
Type
B3648
Ordering code
B39401-B3648-U310
Marking and Package
according to
C61157-A7-A56
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
-25 / +75
-40 / +85
0
10
˚C
˚C
V
dBm
source impedance 50
Ω
2
Apr 18, 2000
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B3648
392,5 MHz
T
A
= +15 ... +35 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
Nominal frequency
Maximum insertion attenuation
390,0 MHz ... 395,0 MHz
Amplitude ripple
(p-p)
390,0 MHz ... 395,0 MHz
Return loss (Input and Output)
390,0 MHz ... 395,0 MHz
Absolute attenuation
45,0 MHz ... 81,5 MHz
227,0 MHz ... 305,0 MHz
308,5 MHz ... 350,0 MHz
380,0 MHz ... 385,0 MHz
412,5 MHz ... 436,0 MHz
480,0 MHz ... 1035,0 MHz
1035,0 MHz ... 2000,0 MHz
2000,0 MHz ... 4000,0 MHz
α
abs
40
40
20
25
20
40
20
15
typ.
392,5
max.
—
MHz
f
N
α
max
—
—
∆α
—
2,7
3,5
dB
0,6
1,2
dB
10,0
12,5
—
dB
70
60
50
33
40
45
30
17
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
Temperature coefficient of frequency
TC
f
—
– 36
—
ppm/K
3
Apr 18, 2000
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B3648
392,5 MHz
T
A
= -25 ... +75 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
min.
Nominal frequency
Maximum insertion attenuation
390,0 MHz ... 395,0 MHz
Amplitude ripple
(p-p)
390,0 MHz ... 395,0 MHz
Return loss (Input and Output)
390,0 MHz ... 395,0 MHz
Absolute attenuation
380,0 MHz ... 385,0 MHz
α
abs
25
typ.
392,5
max.
—
MHz
f
N
α
max
—
—
∆α
—
2,7
4,0
dB
0,8
2,2
dB
10,0
12,5
—
dB
33
—
dB
Temperature coefficient of frequency
TC
f
—
– 36
—
ppm/K
4
Apr 18, 2000
SAW Components
Low-Loss Filter
Data Sheet
Transfer function
B3648
392,5 MHz
Transfer function (pass band; +15 ˚C ... +35 ˚C)
5
Apr 18, 2000
