ETC B7820

SAW Components
Data Sheet B7820
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Features
Chip sized SAW package QCS5C
■ Low-loss RF filter for mobile telephone
EGSM system, receive path
Low amplitude ripple
Usable passband 35 MHz
Unbalanced to balanced operation
Excellent symmetry
Impedance transformation from 50 Ω
to 150 Ω
■ Suitable for GPRS class 1 to 12
■ Ceramic package for Surface Mounted
Technology (SMT)
0.735
0,075
0,38
0,44
5
bottom view
0,68
3
1
0,075
2
side view
1,4
■
■
■
■
■
top view
4
2,0
Terminals
■ Ni, gold-plated
Dimensions in mm, approx. weight 0,007 g
Pin configuration
1
3, 4
2, 5
Input, unbalanced
Output, balanced
Case ground
Type
Ordering code
Marking and Package
Packing
B7820
B39941-B7820-C710
according to
C61157-A7-A111
according to
F61074-V8151-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
T
Tstg
VDC
VESD
Input power at
GSM850, GSM900,
GSM1800, GSM1900
Tx bands
PIN
– 30 / + 85
– 40 / + 85
5
250
15
˚C
˚C
V
V
dBm
2
human body model
peak power of GSM signal,
duty cycle 4:8
Oct 10, 2003
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = +25 ˚C
ZS = 50 Ω
ZL = 150 Ω
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
Center frequency
fC
Maximum insertion attenuation
925,0 ... 960,0
αmax
MHz
typ.
max.
—
942,5
—
MHz
—
1,9
2,3
dB
dB
∆α
Amplitude ripple (p-p)
925,0 ... 960,0
MHz
—
0,8
1,4
925,0 ... 960,0
MHz
—
2,0
2,3
925,0 ... 960,0
MHz
—
2,1
2,3
Output phase balance φ(S31)−φ(S21)
925,0 ... 960,0
MHz
-5
0
5
degree
Output amplitude balance (|S31/S21|)
925,0 ... 960,0
MHz
-0,5
0
0,5
dB
Input VSWR
Output VSWR
α
Attenuation
0,0
880,0
905,0
980,0
1050,0
2775,0
2880,0
... 880,0
... 905,0
... 915,0
...1050,0
...2775,0
...2880,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
3
50
30
22
27
50
54
50
Oct 10, 2003
65
41
26
31
64
62
60
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -10 to +80 ˚C
ZS = 50 Ω
ZL = 150 Ω
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
Center frequency
fC
Maximum insertion attenuation
925,0 ... 960,0
αmax
MHz
typ.
max.
—
942,5
—
MHz
—
1,9
2,7
dB
dB
∆α
Amplitude ripple (p-p)
925,0 ... 960,0
MHz
—
0,8
1,8
925,0 ... 960,0
MHz
—
2,0
2,3
925,0 ... 960,0
MHz
—
2,1
2,3
Output phase balance φ(S31)−φ(S21)
925,0 ... 960,0
MHz
-5
0
5
degree
Output amplitude balance (|S31/S21|)
925,0 ... 960,0
MHz
-0,5
0
0,5
dB
Input VSWR
Output VSWR
α
Attenuation
0,0
880,0
905,0
980,0
1050,0
2775,0
2880,0
... 880,0
... 905,0
... 915,0
...1050,0
...2775,0
...2880,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4
50
30
20
26
50
54
50
Oct 10, 2003
65
38
26
29
64
62
60
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -20 to +85 ˚C
ZS = 50 Ω
ZL = 150 Ω
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
Center frequency
fC
Maximum insertion attenuation
925,0 ... 960,0
αmax
MHz
typ.
max.
—
942,5
—
MHz
—
1,9
2,8
dB
dB
∆α
Amplitude ripple (p-p)
925,0 ... 960,0
MHz
—
0,8
1,8
925,0 ... 960,0
MHz
—
2,0
2,3
925,0 ... 960,0
MHz
—
2,1
2,3
Output phase balance φ(S31)−φ(S21)
925,0 ... 960,0
MHz
-5
0
5
degree
Output amplitude balance (|S31/S21|)
925,0 ... 960,0
MHz
-0,5
0
0,5
dB
Input VSWR
Output VSWR
α
Attenuation
0,0
880,0
905,0
980,0
1050,0
2775,0
2880,0
... 880,0
... 905,0
... 915,0
...1050,0
...2775,0
...2880,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
5
50
30
20
25
50
54
50
Oct 10, 2003
65
38
26
29
64
62
60
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -30 to +80 ˚C
ZS = 50 Ω
ZL = 150 Ω
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
Center frequency
fC
Maximum insertion attenuation
925,0 ... 960,0
αmax
MHz
typ.
max.
—
942,5
—
MHz
—
1,9
3,0
dB
dB
∆α
Amplitude ripple (p-p)
925,0 ... 960,0
MHz
—
0,8
2,1
925,0 ... 960,0
MHz
—
2,0
2,3
925,0 ... 960,0
MHz
—
2,1
2,3
Output phase balance φ(S31)−φ(S21)
925,0 ... 960,0
MHz
-5
0
5
degree
Output amplitude balance (|S31/S21|)
925,0 ... 960,0
MHz
-0,5
0
0,5
dB
Input VSWR
Output VSWR
α
Attenuation
0,0
880,0
905,0
980,0
1050,0
2775,0
2880,0
... 880,0
... 905,0
... 915,0
...1050,0
...2775,0
...2880,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
6
50
30
20
25
50
54
50
Oct 10, 2003
65
38
26
27
64
62
60
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = +25 ˚C
ZS = 50 Ω
ZL = 200 Ω and 200 Ω || 100 nH
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
Center frequency
fC
Maximum insertion attenuation
925,0 ... 960,0
αmax
MHz
typ.
max.
—
942,5
—
MHz
—
1,8
2,3
dB
dB
∆α
Amplitude ripple (p-p)
925,0 ... 960,0
MHz
—
0,8
1,4
925,0 ... 960,0
MHz
—
1,8
2,3
925,0 ... 960,0
MHz
—
1,8
2,3
Output phase balance φ(S31)−φ(S21)
925,0 ... 960,0
MHz
-5
0
5
degree
Output amplitude balance (|S31/S21|)
925,0 ... 960,0
MHz
-0,5
0
0,5
dB
Input VSWR
Output VSWR
α
Attenuation
0,0
880,0
905,0
980,0
1050,0
2775,0
2880,0
... 880,0
... 905,0
... 915,0
...1050,0
...2775,0
...2880,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
7
50
30
22
27
50
54
50
Oct 10, 2003
65
41
26
30
64
62
60
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -10 to +80 ˚C
ZS = 50 Ω
ZL = 200 Ω
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
Center frequency
fC
Maximum insertion attenuation
925,0 ... 960,0
αmax
MHz
typ.
max.
—
942,5
—
MHz
—
1,9
2,7
dB
dB
∆α
Amplitude ripple (p-p)
925,0 ... 960,0
MHz
—
0,8
1,8
925,0 ... 960,0
MHz
—
1,8
2,3
925,0 ... 960,0
MHz
—
1,8
2,3
Output phase balance φ(S31)−φ(S21)
925,0 ... 960,0
MHz
-5
0
5
degree
Output amplitude balance (|S31/S21|)
925,0 ... 960,0
MHz
-0,5
0
0,5
dB
Input VSWR
Output VSWR
α
Attenuation
0,0
880,0
905,0
980,0
1050,0
2775,0
2880,0
... 880,0
... 905,0
... 915,0
...1050,0
...2775,0
...2880,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
8
50
30
20
26
50
54
50
Oct 10, 2003
65
38
26
28
64
62
60
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -20 to +85 ˚C
ZS = 50 Ω
ZL = 200 Ω || 100 nH
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
Center frequency
fC
Maximum insertion attenuation
925,0 ... 960,0
αmax
MHz
typ.
max.
—
942,5
—
MHz
—
2,1
3,1
dB
dB
∆α
Amplitude ripple (p-p)
925,0 ... 960,0
MHz
—
1,1
2,2
925,0 ... 960,0
MHz
—
1,8
2,3
925,0 ... 960,0
MHz
—
1,8
2,3
Output phase balance φ(S31)−φ(S21)
925,0 ... 960,0
MHz
-5
0
5
degree
Output amplitude balance (|S31/S21|)
925,0 ... 960,0
MHz
-0,5
0
0,5
dB
Input VSWR
Output VSWR
α
Attenuation
0,0
880,0
905,0
980,0
1050,0
2775,0
2880,0
... 880,0
... 905,0
... 915,0
...1050,0
...2775,0
...2880,0
...6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
9
50
30
20
25
50
54
50
Oct 10, 2003
65
38
26
28
64
62
60
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function
Transfer function (wideband)
10
Oct 10, 2003
SAW Components
B7820
942,5 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Output amplitude balance (|S31/S21|)
Output phase balance (φ(S31)−φ(S21)+180˚)
11
Oct 10, 2003
SAW Components
B7820
942,5 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, 81617 Munich, GERMANY
 EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
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.
12
Oct 10, 2003