SAW Components
Data Sheet B3804
SAW Components Low-Loss Filter Data Sheet
B3804 170,2 MHz
Ceramic package DCC18
Features
s Low-loss IF filter for GSM base station s Temperature stable s Ceramic SMD package
Terminals
s Gold plated
Dimensions in mm, approx. weight 0,8 g Pin configuration 10 1 5 6 3, 8 2, 4, 7, 9 Input or balanced input Input ground or balanced input Output or balanced output Output ground or balanced output Ground Case ground
Type B3804
Ordering code B39171-B3804-U210
Marking and Package according to C61157-A7-A54
Packing according to F61074-V8081-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings Operable temperature range Storage temperature range DC voltage Source power
T Tstg VDC Ps
–40 / +85 –40 / +85 0 10
˚C ˚C V dBm
2
Apr 05, 2001
SAW Components Low-Loss Filter Data Sheet
Characteristics Operating temperature range: Terminating source impedance: T = -10 .. 85 ˚C
B3804 170,2 MHz
ZS = 50 Ω unbalanced or 200 Ω balanced
and matching network
Terminating load impedance:
ZL = 50 Ω unbalanced or 200 Ω balanced
and matching network
min. Nominal frequency Minimum insertion attenuation
typ. 170,2 6,5
max. — 7,5 MHz dB
fN
αmin
— —
Amplitude ripple (p-p)
∆α
fN ± 135 kHz
Group delay ripple (p-p) ∆τ
—
0,35
0,7
dB
fN ± 135 kHz
Relative attenuation (relative to αmin) fN ± 0,35 MHz ... fN ± 0,6 MHz fN ± 0,6 MHz ... fN ± 0,8 MHz fN ± 0,8 MHz ... fN ± 1,6 MHz fN ± 1,6 MHz ... fN ± 20,0 MHz fN ± 20,0 MHz ... fN ± 35,0 MHz fN ± 35,0 MHz ... fN ± 75,0 MHz αrel
—
0,35
0,7
µs
7 24 40 43 50 45 55 40 —
11 30 45 50 55 60 60 60 1,5
— — — — — — — — 2,0
dB dB dB dB dB dB dB dB
fN + 23,5 MHz ... fN + 75,0 MHz ...
VSWR (Input and output)
fN + 23,7 MHz fN + 2,0 GHz fN ± 135 kHz
Temperature coefficient of frequency Turnover temperature
1)
TCf T0
— —
–0,036 45
— —
ppm/K2 ˚C
1) Temperature
dependance of fc:
fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
3
Apr 05, 2001
SAW Components Low-Loss Filter Data Sheet
Matching network to 50 Ω unbalanced (Element values depend upon PCB layout)
B3804 170,2 MHz
Cp1 = 36,3 pF Ls2 = 39,0 nH Ls3 = 39,0 nH Cp4 = 36,3 pF
Matching network to 200 Ω balanced (Element values depend upon PCB layout)
Cp1 = 17,7 pF Ls2 = 27,0 nH Ls3 = 27,0 nH Cp4 = 17,7 pF
4
Apr 05, 2001
SAW Components Low-Loss Filter Data Sheet
Normalized frequency response
B3804 170,2 MHz
Normalized frequency response (passband)
5
Apr 05, 2001
SAW Components Low-Loss Filter Data Sheet
Transfer function
B3804 170,2 MHz
6
Apr 05, 2001
SAW Components Low-Loss Filter Data Sheet
B3804 170,2 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, D-81617 München © EPCOS AG 1999. All Rights Reserved. As far as patents or other rights of third parties are concerned, liability is only assumed for components per se, not for applications, processes and circuits implemented within components or assemblies. The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. 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.
7
Apr 05, 2001