SAW Components
Data Sheet B3865
SAW Components Low-Loss Filter Data Sheet
B3865 240,0 MHz
Ceramic package DCC12A
Features
q High performance IF bandpass filter q Temperature stable q Hermetically sealed ceramic package
1,0
1 2
7,62
3 4 5
1,7
2,3
bottom view
Terminals
q Gold plated
10 9 8 7 6
3,81
1,6
side view
6,5
top view
13,3
Dimensions in mm, approx. weight 0,44 g
Pin configuration 10 1 5 6 3, 8 2, 4, 7, 9 Input Input ground Output Output ground Ground Case ground
Type B3865
Ordering code B39241-B3865-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 0
˚C ˚C V dBm
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Oct 31, 2002
SAW Components Low-Loss Filter Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance:
B3865 240,0 MHz
T = -10 .. 85˚C
ZS=50 Ω and matching network ZS=50 Ω and matching network min. typ. 240,0 14,0 max. — 16,0 MHz dB
Nominal frequency Minimum insertion attenuation (including matching network) Passband width Amplitude ripple (p-p) αrel ≤ 1 dB
fN
αmin
— 12,0
B1dB
∆α
3,6
4,0
—
MHz
fN ± 1,8 MHz
Absolute group delay (at fN) Group delay ripple (p-p) τ ∆τ
— —
0,8 1,07
1,1 2,5
dB µs
fN ± 1,7 MHz fN ± 1,8 MHz
Deviation of linear phase (p-p) fN ± 1,8 MHz Relative attenuation (relative to αmin) fN ± 2,13 MHz ... fN ± 2,5 MHz fN ± 2,5 MHz ... fN ± 2,93 MHz fN ± 2,93 MHz ... fN ± 3,3 MHz fN − 5,0 MHz ... fN − 3,3 MHz fN − 70 MHz ... fN − 5,0 MHz fN + 3,3 MHz ... fN + 3,7 MHz fN + 3,7 MHz ... fN + 5,0 MHz fN + 5,0 MHz ... fN + 5,4 MHz fN + 5,4 MHz ... fN + 70 MHz Input and output return loss Temperature coefficient of frequency 1) Turnover temperature
1) Temperature
— — ∆ϕ — αrel 5 13 24 35 40 32 35 38 40 12
150 150
200 300
ns ns
4
6
˚
8 16 27 38 43 35 38 40 43 15 – 0,036 40
— — — — — — — — — — — —
dB dB dB dB dB dB dB dB dB dB ppm/K2 ˚C
TCf T0
— —
dependance of fc:
fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
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Oct 31, 2002
SAW Components Low-Loss Filter Data Sheet
Matching network to 50 Ω (Element values depend upon PCB layout)
B3865 240,0 MHz
Cp1 = 38,6 pF Ls2 = 42 nH
Ls3 = 39 nH Cp4 = 36,9 pF
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Oct 31, 2002
SAW Components Low-Loss Filter Data Sheet
Normalized frequency response
B3865 240,0 MHz
Normalized frequency response (pass band)
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Oct 31, 2002
SAW Components Low-Loss Filter Data Sheet
B3865 240,0 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, D-81617 München © EPCOS AG 2002. 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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Oct 31, 2002