SAW Components
Data Sheet B7720
2Jul 3, 2003
SAW Components B7720
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Chip Sized SAW Package DCS6I
bottom view
side view
top view
0,1
0,1
2,5
2,0 0,8
4
123
65
0,5
0,5
Features
■Low-loss RF filter for mobile telephone
PCS systems, receive path
■High selectivity
■Low amplitude ripple
■Usable passband 60 MHz
■Unbalanced to balanced operation
■No external matching required
■Package for Surface Mounted Technology
(SMT)
Terminals
■Gold-plated Ni
Dimensions in mm, approx. weight 0,014 g
Pin configuration
2 Input
4, 6 Balanced output
1, 3, 5 To be grounded
Electrostatic Sensitive Device (ESD)
Type Ordering code Marking and Package
according to Packing
according to
B7720 B39202-B7720-C610 C61157-A7-A76 F61074-V8112-Z000
Maximum ratings
Operable temperature range
T
– 40 / + 85 ˚C
Storage temperature range
T
stg – 40 / + 85 ˚C
DC voltage
V
DC 5V
ESD voltage
V
ESD 50 V
Input power at
GSM850, GSM900
GSM1800,GSM1900
GSM1800, GSM1900
Tx bands
P
IN
P
IN
P
IN
15
12
13
dBm
dBm
dBm
peak power of GSM signal,
duty cycle 4:8
duty cycle 4:8
duty cycle 2:8
3Jul 3, 2003
SAW Components B7720
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating Temperature Range:
T
= +25 ± 2˚C
Terminating source impedance:
Z
S= 50 Ω (unbalanced)
Terminating load impedance:
Z
L= 50 Ω (balanced)
min. typ. max.
Center frequency
f
C— 1960,0 — MHz
Maximum insertion attenuation αmax
1930,0 ... 1990,0 MHz — 2,7 3,1* dB
Amplitude ripple (p-p) ∆α
1930,0 ... 1990,0 MHz — 0,9 1,5 dB
Input VSWR 1930,0 ... 1990,0 MHz — 1,8 2,0
Output VSWR 1930,0 ... 1990,0 MHz — 1,8 2,0
Output phase balance (φ(S31)−φ(S21)+180˚)
1930,0 ... 1990,0 MHz -15 — 17 ˚
Output amplitude balance (|S31/S21|)
1930,0 ... 1990,0 MHz -3,0 — 3,0 dB
Differential to common mode suppression Ssc12
855,0 ... 995,0 MHz 22,0 29,0 — dB
1710,0 ... 1930,0 MHz 20,0 25,0 — dB
1930,0 ... 1975,0 MHz 18,0 20,0 — dB
1975,0 ... 1990,0 MHz 18,0 18,0 — dB
3420,0 ... 3980,0 MHz 22,0 28,0 — dB
Attenuation α
DC ... 1600,0 MHz 28 33 — dB
1600,0 ... 1830,0 MHz 25 28 — dB
1830,0 ... 1910,0 MHz 12 15 — dB
2010,0 ... 2070,0 MHz 14 18 — dB
2070,0 ... 4000,0 MHz 23 25 — dB
4000,0 ... 5000,0 MHz 18 20 — dB
5000,0 ... 6000,0 MHz 16 19 — dB
* the insertion attenuation includes also pcb losses of typ. 0,2dB
4Jul 3, 2003
SAW Components B7720
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating Temperature Range:
T
= -10 to +80˚C
Terminating source impedance:
Z
S= 50 Ω (unbalanced)
Terminating load impedance:
Z
L= 50 Ω (balanced)
min. typ. max.
Center frequency
f
C— 1960,0 — MHz
Maximum insertion attenuation αmax
1930,0 ... 1990,0 MHz — 2,8 3,4* dB
Amplitude ripple (p-p) ∆α
1930,0 ... 1990,0 MHz — 1,0 1,8 dB
Input VSWR 1930,0 ... 1990,0 MHz — 1,8 2,0
Output VSWR 1930,0 ... 1990,0 MHz — 1,8 2,0
Output phase balance (φ(S31)−φ(S21)+180˚)
1930,0 ... 1990,0 MHz -15 — 17 ˚
Output amplitude balance (|S31/S21|)
1930,0 ... 1990,0 MHz -3,0 — 3,0 dB
Differential to common mode suppression Ssc12
855,0 ... 995,0 MHz 22,0 29,0 — dB
1710,0 ... 1930,0 MHz 20,0 25,0 — dB
1930,0 ... 1975,0 MHz 18,0 20,0 — dB
1975,0 ... 1990,0 MHz 17,0 18,0 — dB
3420,0 ... 3980,0 MHz 22,0 28,0 — dB
Attenuation α
DC ... 1600,0 MHz 28 33 — dB
1600,0 ... 1830,0 MHz 25 28 — dB
1830,0 ... 1910,0 MHz 10 11 — dB
2010,0 ... 2070,0 MHz 10 14 — dB
2070,0 ... 4000,0 MHz 23 25 — dB
4000,0 ... 5000,0 MHz 18 20 — dB
5000,0 ... 6000,0 MHz 16 19 — dB
* the insertion attenuation includes also pcb losses of typ. 0,2dB
5Jul 3, 2003
SAW Components B7720
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating Temperature Range:
T
= -40 to +85˚C
Terminating source impedance:
Z
S= 50 Ω (unbalanced)
Terminating load impedance:
Z
L= 50 Ω (balanced)
min. typ. max.
Center frequency
f
C— 1960,0 — MHz
Maximum insertion attenuation αmax
1930,0 ... 1990,0 MHz — 3,6 4,1* dB
Amplitude ripple (p-p) ∆α
1930,0 ... 1990,0 MHz — 1,8 2,5 dB
Input VSWR 1930,0 ... 1990,0 MHz — 2,0 2,2
Output VSWR 1930,0 ... 1990,0 MHz — 2,0 2,2
Output phase balance (φ(S31)−φ(S21)+180˚)
1930,0 ... 1990,0 MHz -15 — 17 ˚
Output amplitude balance (|S31/S21|)
1930,0 ... 1990,0 MHz -3,5 — 3,0 dB
Differential to common mode suppression Ssc12
855,0 ... 995,0 MHz 22,0 29,0 — dB
1710,0 ... 1930,0 MHz 20,0 25,0 — dB
1930,0 ... 1975,0 MHz 18,0 20,0 — dB
1975,0 ... 1990,0 MHz 16,0 18,0 — dB
3420,0 ... 3980,0 MHz 22,0 28,0 — dB
Attenuation α
DC ... 1600,0 MHz 28 33 — dB
1600,0 ... 1830,0 MHz 25 28 — dB
1830,0 ... 1910,0 MHz 10 11 — dB
2010,0 ... 2070,0 MHz 6** 7** — dB
2070,0 ... 4000,0 MHz 23 25 — dB
4000,0 ... 5000,0 MHz 18 20 — dB
5000,0 ... 6000,0 MHz 16 19 — dB
* the insertion attenuation includes also pcb losses of typ. 0,2dB
** 8dB min. (9dB typ.) for T = -30 to +85˚C
6Jul 3, 2003
SAW Components B7720
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function (T=-10 ... 80 ˚C)(narrow band)
Transfer function (wide band)
7Jul 3, 2003
SAW Components B7720
1960,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Output
VSWR (T=-10 ... 80 ˚C)(narrow band)
Input
8Jul 3, 2003
SAW Components B7720
1960,0 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 informa-
t
ion 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
t
he Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic
Manufacturers’ Association), unless otherwise agreed.
T
his brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
t
he international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
t
he type in question please also contact one of our Sales Offices.
