B39391-B3684-U310 [EPCOS]
SAW Components Low-Loss Filter 387,5 MHz; 声表面波元件低损耗滤波器387,5兆赫 相关元器件产品Datasheet PDF文档
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SAW Components
Data Sheet B3684
SAW Components
Low-Loss Filter
Data Sheet
B3684
387,5 MHz
Ceramic package QCC8C
Features
Low-loss filter (WBN) 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
Dimensions in mm, approx. weight 0,1 g
Pin configuration
2
3
6
7
1, 5
4, 8
Input
Input ground
Output
Output ground
Ground
Case ground
Type
B3684
Ordering code
B39391-B3684-U310
Marking and Package
according to
C61157-A7-A56
Packing
according to
F61064-V8070-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
s
– 25/+ 75
– 40/+ 85
0
10
˚C
˚C
V
dBm
source impedance 50
Ω
2
Oct 17, 2000
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
T = +15 ... +35 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
B3684
387,5 MHz
min.
Nominal frequency
Maximum insertion attenuation
385,0 MHz ... 390,0 MHz
Amplitude ripple
(p-p)
385,0 MHz ... 390,0 MHz
Return loss (Input and Output)
385,0 MHz ... 390,0 MHz
Group delay
385,0 MHz ... 390,0 MHz
τ
—
typ.
387,5
max.
—
MHz
f
N
α
max
—
—
∆α
—
3,2
3,5
dB
0,9
1,4
dB
11,0
12,5
—
dB
140
180
ns
Deviation from lin. phase (in 1 MHz bandwidth)
∆ϕ
385,0 MHz ... 390,0 MHz
Absolute attenuation
45,0 MHz ... 81,5 MHz
222,0 MHz ... 300,0 MHz
303,5 MHz ... 345,0 MHz
395,0 MHz ... 396,0 MHz
396,0 MHz ... 400,0 MHz
407,5 MHz ... 475,0 MHz
475,0 MHz ... 1025,0 MHz
1025,0 MHz ... 2000,0 MHz
2000,0 MHz ... 4000,0 MHz
Temperature coefficient of frequency
α
abs
—
0,9
5
˚
40
40
20
28
30
30
40
20
15
70
60
45
30
32
40
45
30
17
– 36
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
ppm/K
TC
f
—
3
Oct 17, 2000
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
T = -25 ... +75 ˚C
Z
S
= 50
Ω
Z
L
= 50
Ω
B3684
387,5 MHz
min.
Nominal frequency
Maximum insertion attenuation
385,0 MHz ... 390,0 MHz
Amplitude ripple
(p-p)
385,0 MHz ... 390,0 MHz
Return loss (Input and Output)
385,0 MHz ... 390,0 MHz
Group delay
385,0 MHz ... 390,0 MHz
τ
—
typ.
387,5
max.
—
MHz
f
N
α
max
—
—
∆α
—
3,5
4,0
dB
1,1
2,0
dB
11,0
12,5
—
dB
140
180
ns
Deviation from lin. phase (in 1 MHz bandwidth)
∆ϕ
385,0 MHz ... 390,0 MHz
—
1,3
5
˚
Temperature coefficient of frequency
TC
f
—
– 36
—
ppm/K
4
Oct 17, 2000
SAW Components
Low-Loss Filter
Data Sheet
Transfer function
B3684
387,5 MHz
Transfer function (pass band; +15 ˚C ... +35 ˚C)
5
Oct 17, 2000
