ETC B3645

SAW Components
Data Sheet B3645
SAW Components
B3645
Low-Loss Filter
99,84 MHz
Data Sheet
Ceramic package QCC12
Features
● Low-loss IF filter for Fixed Wireless Access sys-
tems
● Ceramic SMD package
● Distance between input and output pins 5,1 mm
Terminals
● Gold plated
Dimensions in mm, approx. weight 0,4 g
Pin configuration
10
3
1
8
4, 5, 7, 9, 11
2, 6, 8, 12
Input
Output
Input ground
Output ground
Ground
Case ground
Type
Ordering code
B3645
B39990-B3645-Z510
Marking and Package
according to
C61157-A7-A55
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
TA
Tstg
VDC
Ps
–45 / +85
–45 / +85
10
10
2
˚C
˚C
V
dBm
Apr 04, 2001
Packing
according to
F61074-V8026-Z000
SAW Components
B3645
Low-Loss Filter
99,84 MHz
Data Sheet
Characteristics
TA = -40 to 85 ˚C
ZS = 50 Ω and matching network
ZL = 50 Ω and matching network
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
Nominal frequency
fN
—
Minimum insertion attenuation
(including matching network)
αmin
—
9
Passband width
B3,0dB
—
560
—
0,7
—
60
150
ns
45
50
40
30
5
5
30
40
35
55
55
50
40
10
10
40
45
55
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
αrel ≤ 3,0 dB
99,84
—
MHz
10,8
dB
—
kHz
∆α
Amplitude ripple (p-p)
fN ± 128 kHz
1,2
dB
∆τ
Group delay variation (p-p)
fN ± 128 kHz
Relative attenuation (relative to αmin)
10,000 MHz ... 89,600 MHz
89,600 MHz ... 91,600 MHz
91,600 MHz ... 98,151 MHz
98,151 MHz ... 98,992 MHz
98,992 MHz ... 99,382 MHz
100,307 MHz ... 100,682 MHz
100,682 MHz ... 101,223 MHz
101,223 MHz ... 147,820 MHz
147,820 MHz ... 1000,00 MHz
αrel
Temperature coefficient of frequency 1)
Turnover temperature
TCf
—
–0,03
—
ppm/K2
T0
—
40
—
˚C
1) Temperature
dependance of fc:
fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
3
Apr 04, 2001
SAW Components
B3645
Low-Loss Filter
99,84 MHz
Data Sheet
Matching network to 50 Ω
(Element values depend upon PCB layout)
Cp1 = 33 pF
Ls2 = 270 nH
Ls3 = 270 nH
Cp4 = 33 pF
4
Apr 04, 2001
SAW Components
B3645
Low-Loss Filter
99,84 MHz
Data Sheet
Transfer function
Transfer function (pass band)
5
Apr 04, 2001
SAW Components
B3645
Low-Loss Filter
99,84 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.
6
Apr 04, 2001