SAW Components
Data Sheet B3671
2May 29, 2000
SAW Components B3671
204,0 MHzLow-Loss Filter
Data Sheet
Ceramic package QCC10B
Features
■Low-loss IF filter for S-CDMA applications
■500 kHz usable bandwidth
■Temperature stable
■Ceramic SMD package
Terminals
■Gold plated
Dimensions in mm, approx. weight 0,2 g
Pin configuration
10 Input
9 Input ground
5 Output
4 Output ground
2, 7 Ground
1, 3, 6, 8 Case ground
Electrostatic Sensitive Device (ESD)
Type Ordering code Marking and Package
according to Packing
according to
B3671 B39201-B3671-Z710 C61157-A7-A49 F61074-V8035-Z000
Maximum ratings
Operable temperature range
T
–40 / +80 ˚C
Storage temperature range
T
stg –40 / +85 ˚C
DC voltage
V
DC 0V
Source power
P
s0 dBm
3May 29, 2000
SAW Components B3671
204,0 MHzLow-Loss Filter
Data Sheet
Characteristics
Operating temperature range: T = 0 .. 70 ˚C
Terminating source impedance:
Z
S= 50 Ω and matching network
Terminating load impedance:
Z
L= 50 Ω and matching network
1) Temperature dependance of
f
c:
f
c(
T
A) =
f
c(
T
0)(1 +
TC
f(
T
A –
T
0)2)
min. typ. max.
Nominal frequency
f
N— 204,0 — MHz
Minimum insertion attenuation αmin — 9,0 10,0 dB
Pass bandwidth αrel ≤1,0 dB
B
1dB — 720 — kHz
αrel ≤3,0 dB
B
3dB — 1150 — kHz
Amplitude ripple (p-p) ∆α
f
N± 250 kHz — 0,5 1,0 dB
Absolute group delay τ
@
f
N— 0,8 — µs
Group delay ripple (p-p) ∆τ
f
N± 250 kHz — 30 100 ns
Relative attenuation (relative to αmin)αrel
fN− 10,0 MHz ... fN− 3,8 MHz 45 50 — dB
fN− 3,8 MHz ... fN− 3,2 MHz 44 46 — dB
fN− 3,2 MHz ... fN− 2,5 MHz 45 50 — dB
fN+ 2,5 MHz ... fN+ 2,6 MHz 44 46 — dB
fN+ 2,6 MHz ... fN+ 3,5 MHz 45 50 — dB
fN+ 3,5 MHz ... fN+ 4,5 MHz 43 45 — dB
fN+ 4,5 MHz ... fN+ 10,0 MHz 45 50 — dB
Temperature coefficient of frequency 1)
TC
f— –0,036 — ppm/K2
Turnover temperature
T
0—35—˚C
4May 29, 2000
SAW Components B3671
204,0 MHzLow-Loss Filter
Data Sheet
Matching network to 50 Ω(Element values depend on PCB layout)
Ls1 = 120 nH
Lp2 = 120 nH
Lp3 = 150 nH
Ls4 = 100 nH
5May 29, 2000
SAW Components B3671
204,0 MHzLow-Loss Filter
Data Sheet
Normalized frequency response
Normalized frequency response (pass band)
6May 29, 2000
SAW Components B3671
204,0 MHzLow-Loss Filter
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, OFW E NK
P.O. Box 80 17 09, D-81617 München
EPCOS AG 1999. All Rights Reserved.
A
s far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
T
he information describes the type of component and shall not be considered as assured
characteristics.
T
erms of delivery and rights to change design reserved.
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.
