ETC B7821

SAW Components
Data Sheet B7821
SAW Components
B7821
1842,50 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Chip sized SAW package QCS5C
Features
● Low-loss RF filter for mobile telephone
0,38
0,44
bottom view
0,68
5
Terminals
3
1
2
side view
1,4
PCN systems, receive path
Low amplitude ripple
Usable passband 75 MHz
Unbalanced to balanced operation
Impedance transformation from 50Ω to 150Ω
Suitable for GPRS class 1 to 12
Package for Surface Mount Technology (SMT)
0,075
●
●
●
●
●
●
0.735
0,075
top view
4
2,0
● 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
B7821
B39182-B7821-C710
Marking and Package
according to
C61157-A7-A111
Packing
according to
F61074-V8151-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
T
– 30 / + 85
Tstg
– 40 / + 85
VDC
5
VESD1)
50
Input power at
GSM850, GSM900
GSM1800,GSM1900
Tx bands
PIN
PIN
15
12
˚C
˚C
V
V
Machine Model, 10 pulses
dBm
dBm
peak power of GSM signal,
duty cycle 4:8
1) -acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses
2
Mar 26, 2004
SAW Components
B7821
1842,50 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = +25 ± 2 ˚C
ZS = 50Ω (unbalanced)
ZL = 150Ω (balanced) || 15 nH
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
1842,5
—
MHz
—
2,2
2,8
dB
MHz
—
0,7
1,5
dB
1805,0 ...1880,0
MHz
—
2,0
2,3
1805,0 ...1880,0
MHz
—
1,8
2,2
Output amplitude balance (|S31/S21|)
1805,0 ...1880,0
MHz
-1,2
+0,6 / -1,0
1,2
dB
Output phase balance (φ(S31)−φ(S21)+180˚)
1805,0 ...1880,0 MHz
-12
+6 / -8
12
˚
40
30
26
16
16
26
30
38
30
55
45
34
18
20
30
38
53
55
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
fC
Center frequency
Maximum insertion attenuation
1805,0 ... 1880,0
Amplitude ripple (p-p)
1805,0 ... 1880,0
αmax
MHz
∆α
Input VSWR
Output VSWR
α
Attenuation
0,0
1000,0
1550,0
1705,0
1920,0
1980,0
2400,0
5145,0
5640,0
... 1000,0
... 1550,0
... 1705,0
... 1785,0
... 1980,0
... 2400,0
... 5145,0
... 5640,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
3
Mar 26, 2004
SAW Components
B7821
1842,50 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -10 to +80˚C
ZS = 50Ω (unbalanced)
ZL = 150Ω (balanced) ||15 nH
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
1842,5
—
MHz
—
2,4
3,2
dB
MHz
—
0,9
1,9
dB
1805,0 ...1880,0
MHz
—
2,0
2,3
1805,0 ...1880,0
MHz
—
1,8
2,2
Output amplitude balance (|S21/S31|)
1805,0 ...1880,0
MHz
-1,2
+0,6 / -1,0
1,2
dB
Output phase balance (φ(S21)−φ(S31)+180˚)
1805,0 ...1880,0 MHz
-12
+6 / -8
12
˚
40
30
26
12
15
26
30
38
30
55
45
34
18
20
30
38
53
55
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Center frequency
fC
Maximum insertion attenuation
1805,0 ... 1880,0
αmax
Amplitude ripple (p-p)
1805,0 ... 1880,0
MHz
∆α
Input VSWR
Output VSWR
α
Attenuation
0,0
1000,0
1550,0
1705,0
1920,0
1980,0
2400,0
5145,0
5640,0
... 1000,0
... 1550,0
... 1705,0
... 1785,0
... 1980,0
... 2400,0
... 5145,0
... 5640,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4
Mar 26, 2004
SAW Components
B7821
1842,50 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -30 to +80˚C
ZS = 50Ω (unbalanced)
ZL = 150Ω (balanced) ||15 nH
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
1842,5
—
MHz
—
2,7
4,2
dB
MHz
—
1,2
2,9
dB
1805,0 ...1880,0
MHz
—
2,0
2,4
1805,0 ...1880,0
MHz
—
1,8
2,3
Output amplitude balance (|S21/S31|)
1805,0 ...1880,0
MHz
-1,4
+0,7 / -1,0
1,4
dB
Output phase balance (φ(S21)−φ(S31)+180˚)
1805,0 ...1880,0 MHz
-12
+6 / -8
12
˚
40
30
26
12
15
22
30
38
30
55
45
34
18
20
30
38
53
55
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Center frequency
fC
Maximum insertion attenuation
1805,0 ... 1880,0
αmax
Amplitude ripple (p-p)
1805,0 ... 1880,0
MHz
∆α
Input VSWR
Output VSWR
α
Attenuation
0,0
1000,0
1550,0
1705,0
1920,0
1980,0
2400,0
5145,0
5640,0
... 1000,0
... 1550,0
... 1705,0
... 1785,0
... 1980,0
... 2400,0
... 5145,0
... 5640,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
5
Mar 26, 2004
SAW Components
B7821
1842,50 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -30 to +85˚C
ZS = 50Ω (unbalanced)
ZL = 150Ω (balanced) ||15 nH
Operating Temperature Range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
—
1842,5
—
MHz
—
2,7
4,2
dB
MHz
—
1,2
2,9
dB
1805,0 ...1880,0
MHz
—
2,0
2,4
1805,0 ...1880,0
MHz
—
1,8
2,3
Output amplitude balance (|S21/S31|)
1805,0 ...1880,0
MHz
-1,4
+0,7 / -1,0
1,4
dB
Output phase balance (φ(S21)−φ(S31)+180˚)
1805,0 ...1880,0 MHz
-12
+6 / -8
12
˚
40
30
26
11
15
22
30
38
30
55
45
34
18
20
30
38
53
55
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Center frequency
fC
Maximum insertion attenuation
1805,0 ... 1880,0
αmax
Amplitude ripple (p-p)
1805,0 ... 1880,0
MHz
∆α
Input VSWR
Output VSWR
α
Attenuation
0,0
1000,0
1550,0
1705,0
1920,0
1980,0
2400,0
5145,0
5640,0
... 1000,0
... 1550,0
... 1705,0
... 1785,0
... 1980,0
... 2400,0
... 5145,0
... 5640,0
... 6000,0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
6
Mar 26, 2004
SAW Components
B7821
1842,50 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function (spec for 25˚C)
Transfer function (wideband)
7
Mar 26, 2004
SAW Components
B7821
1842,50 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 2004. 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.
8
Mar 26, 2004