SAW Components
Data Sheet B7728, Pb-Free
2January 18, 2005
SAW Components B7728
2140,0 MHzLow-Loss Filter
Data Sheet
0,1
2,5
2,0 0,8
4
23
5
0,5
0,5
0,1
1
Chip Sized SAW Package QCS5H
Features
●Low loss RF filter
●Unbalanced to balanced operation
●Low amplitude ripple
●Impedance transformation from 50 Ω
to 100 Ω
●Suitable for GPRS class 1 to 12
●Pb-Free
●Package for Surface Mounted Technology
(SMT)
Terminals
●Ni, gold-plated
Dimensions in mm, approx. weight 0,015 g
Pin configuration
1 Input, unbalanced
3, 4 Output, balanced
2, 5 Case ground
Electrostatic Sensitive Device (ESD)
Type Ordering code Marking and Package
according to
Packing
according to
B7728 B39212-B7728-K910 C61157-A7-A139 F61074-V8189-Z000
Maximum ratings
Operable temperature range
T
– 40/+ 85 ˚C
Storage temperature range
T
stg – 40/+ 85 ˚C
DC voltage
V
DC 3V
ESD voltage
V
*ESD 50* V Machine Model, 10 pulses
Source power
P
s10 dBm source impedance 50 Ω,
load impedance 100 Ω
*- acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses
3January 18, 2005
SAW Components B7728
2140,0 MHzLow-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
T
A= -30 ... +85 ˚C
Terminating source impedance:
Z
S= 50 Ωunbal.
Terminating load impedance:
Z
L= 100 Ω bal.
*)
T
A= +25 ˚C
min. typ. max.
Nominal frequency
f
N— 2140,0 — MHz
Maximum insertion attenuation αmax
2110,0 MHz... 2170,0 MHz — 2,3 2,9 dB
2110,0 MHz... 2170,0 MHz *) — 2,3 2,7 dB
Amplitude ripple in passband (p-p) ∆α
2110,0 MHz... 2170,0 MHz — 0,6 1,0 dB
Amplitude ripple per 5MHz (p-p) ∆α
2110,0 MHz... 2170,0 MHz — 0,3 0,5 dB
Output phase balance (φ(S31)−φ(S21)+180˚)
2110,0 MHz... 2170,0 MHz -8 -3/+3 +8 ˚
Output amplitude balance (|S31/S21|)
2110,0 MHz... 2170,0 MHz -1,9 -0,5/+1,2 +1,9 dB
Input VSWR ∆α
2110,0 MHz... 2170,0 MHz — 1,8 2,0
Output VSWR ∆α
2110,0 MHz... 2170,0 MHz — 2,1 2,3
Absolute attenuation α
50,0 MHz ... 849,0 MHz 45 52 — dB
849,0MHz ... 1350,0 MHz 40 48 — dB
1350,0 MHz ... 1980,0 MHz 35 40 — dB
1980,0 MHz ... 2025,0 MHz 30 34 — dB
2025,0 MHz ... 2050,0 MHz 15 30 — dB
2215,0 MHz ... 2255,0 MHz 15 23 — dB
2255,0 MHz ... 2270,0 MHz 20 21 — dB
2270,0 MHz ... 2400,0 MHz 22 24 — dB
2400,0 MHz ... 3910,0 MHz 30 35 — dB
3910,0 MHz ... 5645,0 MHz 40 45 — dB
4January 18, 2005
SAW Components B7728
2140,0 MHzLow-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
T
A= -30 ... +85 ˚C
Terminating source impedance:
Z
S= 50 Ωunbal.
Terminating load impedance:
Z
L= 100 Ω bal. || 33 nH **)
*)
T
A= +25 ˚C
**) or a 0,6 nH serial inductance in each branch of the balanced output, which might be integrated
into PCB.
min. typ. max.
Nominal frequency
f
N— 2140,0 — MHz
Maximum insertion attenuation αmax
2110,0 MHz... 2170,0 MHz — 2,3 2,9 dB
2110,0 MHz... 2170,0 MHz *) — 2,3 2,7 dB
Amplitude ripple in passband (p-p) ∆α
2110,0 MHz... 2170,0 MHz — 0,6 1,0 dB
Amplitude ripple per 5MHz (p-p) ∆α
2110,0 MHz... 2170,0 MHz — 0,3 0,5 dB
Output phase balance (φ(S31)−φ(S21)+180˚)
2110,0 MHz... 2170,0 MHz -8 -3/+3 +8 ˚
Output amplitude balance (|S31/S21|)
2110,0 MHz... 2170,0 MHz -1,9 -0,5/+1,2 +1,9 dB
Input VSWR ∆α
2110,0 MHz... 2170,0 MHz — 1,6 2,0
Output VSWR ∆α
2110,0 MHz... 2170,0 MHz — 1,8 2,1
Absolute attenuation α
50,0 MHz ... 849,0 MHz 45 52 — dB
849,0MHz ... 1350,0 MHz 40 48 — dB
1350,0 MHz ... 1980,0 MHz 35 40 — dB
1980,0 MHz ... 2025,0 MHz 30 34 — dB
2025,0 MHz ... 2050,0 MHz 15 30 — dB
2215,0 MHz ... 2255,0 MHz 15 23 — dB
2255,0 MHz ... 2285,0 MHz 20 21 — dB
2285,0 MHz ... 2400,0 MHz 22 25 — dB
2400,0 MHz ... 3910,0 MHz 30 35 — dB
3910,0 MHz ... 5645,0 MHz 40 45 — dB
5January 18, 2005
SAW Components B7728
2140,0 MHzLow-Loss Filter
Data Sheet
Transfer function (no matching,
T
A= -30 ... +85 ˚C)
6January 18, 2005
SAW Components B7728
2140,0 MHzLow-Loss Filter
Data Sheet
Published by EPCOS AG
S
urface Acoustic Wave Components Division, SAW MC PD
P.O. Box 80 17 09, D-81617 München
EPCOS AG 2005. All Rights Reserved. Reproduction, publication and dissemination of this bro-
c
hure and the information contained therein without EPCOS’ prior express consent is prohibited.
T
he information contained in this brochure describes the type of component and shall not be con-
s
idered as guaranteed characteristics. Purchase orders are subject to the General Conditions for
t
he Supply of Products and Services of the Electrical and Electronics Industry recommended by the
Z
VEI (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.
