SAW Components
Data Sheet B3839
SAW Components Low-Loss Filter Data Sheet
B3839 333,0 MHz
Ceramic package QCC10B
Features
q q q q
Low-loss IF-filter for WLL Usable bandwidth 0,8 MHz Temperature stable Ceramic SMD package
Terminals
q Gold plated
Dimensions in mm, approx. weight 0,2 g Pin configuration 10 9 5 4 2, 7 1, 3, 6, 8 Input Input ground Output Output ground Ground Case ground
Type B3839
Ordering code B39331-B3839-Z710
Marking and Package according to C61157-A7-A49
Packing according to F61074-V8035-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings Operable temperature range Storage temperature range DC voltage Source power
TA Tstg VDC Ps
–40 / +85 –40 / +85 0 10
˚C ˚C V dBm
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SAW Components Low-Loss Filter Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance:
B3839 333,0 MHz
TA = -40 ... 85 ˚C ZS = 50 Ω and external matching network ZL = 50 Ω and external matching network
min. typ. 333,0 6,5 max. 333,12 8 MHz dB
Center frequency αrel = 3,0 dB Minimum insertion attenuation Passband width αrel ≤ 3,0 dB αrel ≤ 20,0 dB αrel ≤ 30,0 dB αrel ≤ 40,0 dB αrel ≤ 50,0 dB
fc
332,88 αmin —
B3,0dB B20dB B30dB B40dB B50dB
900 — — — —
1010 1840 2080 2250 4500
1045 2000 2250 2500 —
kHz kHz kHz kHz kHz
Relative attenuation (relative to αmin) αrel fc − 50,0 MHz ... fc − 3,0 MHz fc + 3,0 MHz ... fc + 20,0 MHz fc + 20,0 MHz ... fc + 40,0 MHz fc + 40,0 MHz ... fc + 50,0 MHz Amplitude ripple (p-p) ∆α
48 47 44 48
50 50 48 50
— — — —
dB dB dB dB
fc ± 0,4 MHz
Absolute group delay (at fc) Group delay ripple (p-p) τ ∆τ
— —
0,5 0,9
1,0 —
dB µs
fc ± 0,4 MHz
Reflected Wave Signal Suppression 12 µs ... 20 µs after main pulse Temperature coefficient of frequency 1) Turnover temperature
1) Temperature
—
430
500
ns
70
80 –0,036 15
— — —
dB ppm/K2 ˚C
TCf T0
— —
dependance of fc:
fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
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Jan 08, 2002
SAW Components Low-Loss Filter Data Sheet
Matching network (Element values depend upon PCB layout)
B3839 333,0 MHz
Cp1 = 18 pF Ls2 = 22 nH Ls3 = 33 nH Cp4 = 15 pF
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Jan 08, 2002
SAW Components Low-Loss Filter Data Sheet
Transfer function
B3839 333,0 MHz
Transfer function (pass band)
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Jan 08, 2002
SAW Components Low-Loss Filter Data Sheet
Impulse response
B3839 333,0 MHz
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Jan 08, 2002
SAW Components Low-Loss Filter Data Sheet
B3839 333,0 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, D-81617 München © EPCOS AG 2001. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. 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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