SAW Components
Data Sheet B3891
SAW Components Low-Loss Filter Data Sheet
B3891 71,0 MHz
Ceramic package DCC12A
Features
s Low-loss IF filter for GSM/EDGE base station, s s s s
1,0
1 2
7,62
3 4 5
receive path Usable passband 250 kHz Balanced or unbalanced operation possible Temperature stable Ceramic SMD package
1,7
2,3
bottom view
10 9 8 7 6
3,81 1,6
Terminals
s Gold plated
side view
6,5
top view
13,3
Dim. in mm, aprox. weight 0,4 g Pin configuration 10, 1 5, 6 3, 8 2, 4, 7, 9 Input Output Ground Case ground
Type B3891
Ordering code B39710-B3891-H510
Marking and Package according to C61157-A7-A94
Packing according to F61074-V8163-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
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Feb 24, 2005
SAW Components Low-Loss Filter Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: T = 0 .. 70 ˚C ZS = 200 Ω balanced and matching network ZL = 200 Ω balanced and matching network min. Nominal frequency Minimum insertion attenuation (including matching network) Passband width αrel ≤ 1 dB Amplitude ripple fN ± 125 kHz Absolute group delay (at fN) Group delay ripple (p-p) fN ± 125 kHz Relative attenuation (relative to αmin) fN ± 300 kHz ... fN ± 500 fN ± 500 kHz ... fN ± 700 fN ± 700 kHz ... fN ± 3 @ fN ± 800 kHz fN ± 3 MHz ... fN ± 35 IM3 level f1 = fN- 0,8 MHz, input power -14 dBm f2 = fN- 1,6 MHz, input power -14 dBm @fN f1 = fN+ 0,8 MHz, input power -14 dBm f2 = fN+1,6 MHz, input power -14 dBm @fN Temperature coefficient of frequency 1) Turnover temperature
1) Temperature
B3891 71,0 MHz
typ. 71,0 6,5
max. — 8,0 MHz dB
fN
αmin
— —
B1,0dB
250
290
—
kHz
∆α — τN ∆τ — αrel kHz kHz MHz MHz
IM3
0,6 2,1
± 1,0 2,3
dB µs
1,9
0,5
1,5
µs
14 30 39 41 43
18 35 45 45 60
— — — — —
dB dB dB dB dB
—
—
-95
dBm
—
— – 0,036 25
-95 — —
dBm ppm/K2 ˚C
TCf T0
— —
dependance of fc:
fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
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Feb 24, 2005
SAW Components Low-Loss Filter Data Sheet
Characteristics (extended temperature range) Operating temperature range: Terminating source impedance: Terminating load impedance: T = -40 .. +85 ˚C ZS = 200 Ω balanced and matching network ZL = 200 Ω balanced and matching network min. Nominal frequency Minimum insertion attenuation (including matching network) Passband width αrel ≤ 1 dB Amplitude ripple (p-p) fN ± 125 kHz Absolute group delay (at fN) Group delay ripple (p-p) fN ± 125 kHz Relative attenuation (relative to αmin) fN ± 300 kHz ... fN ± 500 fN ± 500 kHz ... fN ± 700 fN ± 700 kHz ... fN ± 3 @ fN ± 800 kHz fN ± 3 MHz ... fN ± 35 IM3 level f1 = fN- 0,8 MHz, input power -14 dBm f2 = fN- 1,6 MHz, input power -14 dBm @fN f1 = fN+ 0,8 MHz, input power -14 dBm f2 = fN+1,6 MHz, input power -14 dBm @fN Temperature coefficient of frequency 1) Turnover temperature
1) Temperature
B3891 71,0 MHz
typ. 71,0 6,5
max. — 8,5 MHz dB
fN
αmin
— —
B1,0dB
250
290
—
kHz
∆α — τN ∆τ — αrel kHz kHz MHz MHz
IM3
0,6 2,1
± 1,5 2,3
dB µs
1,9
0,5
1,5
µs
12 30 39 41 43
18 35 45 45 60
— — — — —
dB dB dB dB dB
—
—
-95
dBm
—
— – 0,036 25
-95 — —
dBm ppm/K2 ˚C
TCf T0
— —
dependance of fc:
fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
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Feb 24, 2005
SAW Components Low-Loss Filter Data Sheet
Matching network to 200 Ω Transformers are only required for measurement in a 50 Ω environment
B3891 71,0 MHz
Cs1 = Cs2 = 12 pF Lp1 = 220 nH Element values depend upon board layout
Cs3 = Cs4 = 18 pF Lp2 = 180 nH
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Feb 24, 2005
SAW Components Low-Loss Filter Data Sheet
Normalized frequency response
B3891 71,0 MHz
Normalized frequency response (pass band)
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Feb 24, 2005
SAW Components Low-Loss Filter Data Sheet
B3891 71,0 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, 81617 Munich, GERMANY © EPCOS AG 2005. Reproduction, publication and dissemination of this brochure and the information 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 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.
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Feb 24, 2005