ETC B4690

SAW Components
Data Sheet B4690
SAW Components
B4690
Low-Loss Filter
836,50 MHz
Data Sheet
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
3
5
6
1, 4
Input
Input - ground
Output
Output - ground
To be grounded
Type
Ordering code
B4690
B39841-B4690-Z610
Marking and Package
according to
C61157-A7-A41
Packing
according to
F61064-V8030-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
Tstg
VDC
Ps
– 30/+ 85
– 40/+ 85
0
10
2
˚C
˚C
V
dBm
source impedance 50 Ω
Apr 04, 2001
SAW Components
B4690
Low-Loss Filter
836,50 MHz
Data Sheet
Characteristics
T = -30 to +85 ˚ C
ZS = 50 Ω
ZL = 50 Ω
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Center frequency
fc
Maximum insertion attenuation
824,0 ... 849,0
αmax
MHz
min.
typ.
max.
—
836,50
—
—
3,0
3,5
dB
dB
MHz
∆α
Amplitude ripple (p-p)
824,0 ... 849,0
MHz
—
1,0
1,7
824,0 ... 849,0
MHz
—
1,9
2,0
VSWR
α
Attenuation
0,0
600,0
700,0
750,0
869,0
910,0
1100,0
1500,0
2000,0
2500,0
... 600,0
... 700,0
... 750,0
... 800,0
... 910,0
...1100,0
...1500,0
...2000,0
...2500,0
...3000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
3
60
55
50
40
25
50
40
30
20
12
Apr 04, 2001
70
65
60
60
35
58
50
50
30
15
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
SAW Components
B4690
Low-Loss Filter
836,50 MHz
Data Sheet
Transfer function
Transfer function (wideband)
4
Apr 04, 2001
SAW Components
B4690
Low-Loss Filter
836,50 MHz
Data Sheet
Reflection functions
5
Apr 04, 2001
SAW Components
B4690
Low-Loss Filter
836,50 MHz
Data Sheet
Remarks on power durability of SAW filter B4690:
The power durability of SAW filter B4690 depends on ambient temperature and time. Measurements 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
100 000
-1.5
55
100 000
1.9
25
100 000
5.9
85
10 000
1.8
55
10 000
5.2
25
10 000
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
B4690
Low-Loss Filter
836,50 MHz
Data Sheet
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 components 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