SAW Components
Data Sheet B4926
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
B4926 133,2 MHz
Ceramic package QCC12C
Features
2,54
q q q q q
Low-loss IF filter for mobile telephone Channel selection in GSM systems Hermetically sealed ceramic SMD package Balanced and unbalanced operation possible No coupling coil required
1
2
3
1,4
12
4
1,0 2,54
11
bottom view
10
9
8
0,6
7
Terminals
q Gold-plated Ni
1,48
6
5
side view
5,0
top view
7,0
Dimensions in mm, approx. weight 0,25 g Pin configuration 10 12 4 6 3, 9 1, 2, 7, 8 Input Input ground or balanced input Output Output ground or balanced output Case ground To be grounded
Type B4926
Ordering code B39131-B4926-H310
Marking and Package according to C61157-A7-A95
Packing according to F61074-V8710-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings Operable temperature range Storage temperature range DC voltage Source power ESD
T Tstg VDC Ps VESD
– 30/+ 85 – 40/+ 85 5 10 50
˚C ˚C V dBm V
Human Body Model
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SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance:
B4926 133,2 MHz
T = -30 ˚C ... +80 ˚C ZS = 1000 Ω || 135 nH ZL = 1300 Ω || 170 nH
min. typ. 133,20 max. — MHz
Nominal frequency Minimum insertion attenuation (excluding losses in matching circuit) Amplitude ripple (p-p) fN - 100,0 kHz ... fN + 100,0 kHz Group delay ripple (p-p) fN - 100,0 kHz ... fN + 100,0 kHz Relative attenuation (relative to αmin) fN - 30,00 MHz ... fN - 7,00 MHz fN - 7,00 MHz ... fN - 3,00 MHz fN - 3,00 MHz ... fN - 0,80 MHz fN - 0,80 MHz ... fN - 0,60 MHz fN - 0,60 MHz ... fN - 0,40 MHz fN - 0,40 MHz ... fN - 0,25 MHz
fN
αmin
—
4,5 ∆α — ∆τ — αrel 40 35 29 20 15 3 3 15 20 29 35 40 — — 48 42 32 29 19 6,5 6,5 17 27 31 39 46 1000 ||10,3. 1300 || 8,2 – 0,042 25 0,3 0,4
6,0 1,0 1,0 — — — — — — — — — — — — — — — —
dB dB µs dB dB dB dB dB dB dB dB dB dB dB dB Ω || pF Ω || pF ppm/K2 ˚C
fN + 0,25 MHz fN + 0,40 MHz fN + 0,60 MHz fN + 0,80 MHz fN + 3,00 MHz fN + 7,00 MHz
... ... ... ... ... ...
fN + 0,40 MHz fN + 0,60 MHz fN + 0,80 MHz fN + 3,00 MHz fN + 7,00 MHz fN + 30,00 MHz
Impedance within pass band Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency 1) Frequency inversion point
1) Temperature
TCf T0
— —
dependence of fc:
fc(T) = fc(T0)(1 + TCf(T – T0)2
Lp1 Ls2 Ls3 Lp4 = 82 nH = 27 nH = 43 nH = 82 nH
Test matching network to 50 Ω (element values depend on PCB layout):
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Apr 02, 2003
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Transfer function (pass band):
B4926 133,2 MHz
Transfer function (wide band):
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Apr 02, 2003
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
B4926 133,2 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT 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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