EPCOS B4935 Saw components low loss filter for mobile communication 220,38 mhz Datasheet

SAW Components
Data Sheet B4935
SAW Components
B4935
220,38 MHz
Low Loss Filter for Mobile Communication
Data Sheet
Features
Ceramic package QCC8C
IF filter for mobile telephone
Channel selection in CDMA systems, Korean PCS
Low insertion attenuation
Extremely high rejection
Single-ended/single-ended, balanced/single-ended
and balanced/balanced operation possible
■ Optimized for single-ended/balanced operation
■ Very small size
■ Package for Surface Mounted Technology (SMT)
■
■
■
■
■
Terminals
■ Ni, gold plated
Dimensions in mm,approx. weight 0,07 g
Pin configuration
2
1+3
6
5
7
4, 8
Input
Input ground or balanced input
Output
Output ground or balanced output
to be grounded
Case ground
Device is reciprocal, i.e. inputs can be used as outputs and vice versa
Type
B4935
Ordering code
B39221-B4935-U310
Marking and Package
Packing
according to
according to
C61157-A7-A53
F61074-V8070-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
13
10
2
˚C
˚C
V
dBm
Sep 23, 2002
SAW Components
B4935
220,38 MHz
Low Loss Filter for Mobile Communication
Data Sheet
Characteristics single-ended/balanced
T = -30 ˚C to +80 ˚C
ZS = 1050 Ω || 63 nH
ZL = 610 Ω || 60 nH
Operating temperature:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
Nominal frequency
fN
—
220,38
Insertion attenuation at fN
(including loss in matching network without loss
in baluns)
αfN
—
8,2
Amplitude ripple (p-p)
fN – 0,30 ... fN + 0,30
∆α
MHz
05
9,5
dB
1,2
dB
∆φ
Phase linearity
(rms deviation)
fN – 0,63 ... fN + 0,63
MHz
Relative attenuation (relative to αfN)
fN – 0,63 ... fN + 0,63
fN – 100,0
fN – 50,0
fN – 30,0
fN – 10,0
...
...
...
...
fN + 1,25
fN + 10,0
fN + 30,0
fN + 50,0
...
...
...
...
fN – 50,0
fN – 30,0
fN – 10,0
fN – 1,25
fN – 1,25
fN + 1,25
fN + 10,0
fN + 30,0
fN + 50,0
fN+100,0
—
2,3
3,2
˚
MHz
—
2,2
4,0
dB
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
60,0
50,0
40,0
35,0
αrel
Temperature coefficient of frequency 1)
Frequency inversion point
1) Temperature
—
MHz
dependence of fc:
35,0
40,0
50,0
60,0
TCf
—
T0
—
fc(T) = fc(T0)(1 + TCf(T – T0)2)
3
Sep 23, 2002
73,0
70,0
62,0
39,0
45,0
45,0
41,0
62,0
70,0
73,0
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
–0,036
—
ppm/K2
—
˚C
30
SAW Components
B4935
220,38 MHz
Low Loss Filter for Mobile Communication
Data Sheet
Transfer function (passband, single-ended/balanced):
Transfer function (narrowband, single-ended/balanced):
4
Sep 23, 2002
SAW Components
B4935
220,38 MHz
Low Loss Filter for Mobile Communication
Data Sheet
Transfer function (wideband, single-ended/balanced):
5
Sep 23, 2002
SAW Components
B4935
220,38 MHz
Low Loss Filter for Mobile Communication
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC WT
P.O. Box 80 17 09, D-81617 München
 EPCOS AG 2002. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. Purchase orders are subject to the General Conditions for
the Supply of Products and Services of the Electrical and Electronics Industry recommended by the
ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
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
Sep 23, 2002
Similar pages