概述
数据手册B4690 概述
Analog IC
模拟IC\n
B4690 数据手册
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Data Sheet B4690
SAW Components
Low-Loss Filter
Data Sheet
B4690
836,50 MHz
Ceramic package DCC6
Features
● Low-loss RF filter for basestations (IS-54),
receive path
● Low amplitude ripple
● Usable passband 25 MHz
● No matching network required for operation
at 50 Ω
● Ceramic package for Surface Mounted
Technology (SMT)
Terminals
● Ni, gold-plated
Dim. in mm, aprox. weight 0,07 g
Pin configuration
2
Input
3
5
Input - ground
Output
6
1, 4
Output - ground
To be grounded
Type
Ordering code
Marking and Package
according to
Packing
according to
F61064-V8030-Z000
B4690
B39841-B4690-Z610
C61157-A7-A41
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range T
Storage temperature range Tstg
– 30/+ 85
– 40/+ 85
˚C
˚C
DC voltage
Source power
VDC
Ps
0
10
V
dBm
source impedance 50 Ω
2
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B4690
836,50 MHz
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T
= -30 to +85 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
typ.
max.
fc
—
836,50
—
MHz
Center frequency
Maximum insertion attenuation
αmax
824,0 ... 849,0 MHz
—
—
—
3,0
1,0
1,9
3,5 dB
Amplitude ripple (p-p)
VSWR
∆α
824,0 ... 849,0 MHz
1,7 dB
2,0
824,0 ... 849,0 MHz
Attenuation
α
0,0 ... 600,0 MHz
600,0 ... 700,0 MHz
700,0 ... 750,0 MHz
750,0 ... 800,0 MHz
869,0 ... 910,0 MHz
910,0 ...1100,0 MHz
1100,0 ...1500,0 MHz
1500,0 ...2000,0 MHz
2000,0 ...2500,0 MHz
2500,0 ...3000,0 MHz
60
55
50
40
25
50
40
30
20
12
70
65
60
60
35
58
50
50
30
15
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
—
—
—
—
—
—
—
—
—
3
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B4690
836,50 MHz
Transfer function
Transfer function (wideband)
4
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B4690
836,50 MHz
Reflection functions
5
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B4690
836,50 MHz
Remarks on power durability of SAW filter B4690:
The power durability of SAW filter B4690 depends on ambient temperature and time. Measure-
ments have shown that for an ambient temperature of 85˚C and a CW input power Pin=-1.5 dBm at
849 MHz the filter has a TTF of more than 100 000 h. The allowed input power for other parameters
is given in the following table:
Tamb [˚C]
TTF [h]
Pin [dBm]
85
55
25
85
55
25
100 000
100 000
100 000
10 000
10 000
10 000
-1.5
1.9
5.9
1.8
5.2
9.1
TTF: time to failure (frequency shift of 1 MHz and/or increase of αmax by 0,5 dB)
Tamb: ambient temperature
These results are based on extrapolations of measured results. The statistical uncertainty is about
± 3dB.
6
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B4690
836,50 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC IS
P.O. Box 80 17 09, D-81617 München
EPCOS AG 1999. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
the international representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our sales offices.
7
Apr 04, 2001
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