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SAW Components
Data Sheet B3821
SAW Components Low-Loss Filter Data Sheet
B3821 860,5 MHz
Ceramic package QCC8B
Features Low-loss filter for TETRA Usable bandwidth 19 MHz No matching required for operation at 50 Package for Surface Mounted Technology (SMT) q Hermetically sealed ceramic package
q q q q
Terminals
q Gold-plated
typ. Dimensions in mm, approx. weight 0,07 g
Pin configuration 2 6 1, 3, 4, 5, 7, 8 Input Output To be grounded
Type B3821
Ordering code B39861-B3821-Z810
Marking and Package according to
C61157-A7-A46
Packing according to
F61074-V8037-Z000
Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range TA Storage temperature range Tstg DC voltage VDC Input power max. PIN -40 / +85 -40 / +85 0 15 ,0 2 C C V dBm source impedance 50 CW for min. 10 000 h, 85 C
Aug 28, 2001
SAW Components Low-Loss Filter Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance:
B3821 860,5 MHz
TA = +15 ... +35 C ZS = 50 ZL = 50
min. Nominal frequency Maximum insertion attenuation 851,0 MHz ... 870,0 MHz Amplitude ripple (p-p) 851,0 MHz ... 870,0 MHz Input and output return loss 851,0 MHz ... 870,0 MHz Absolute attenuation 0,1 MHz ... 797,0 MHz 797,0 MHz ... 813,0 MHz 813,0 MHz ... 829,0 MHz 829,0 MHz ... 833,0 MHz 904,0 MHz ... 959,0 MHz 959,0 MHz ... 1089,0 MHz 1089,0 MHz ... 2000,0 MHz abs 45 40 35 25 30 50 30
typ. 860,5
max. -- MHz
fN
max
--
-- --
2,2
2,5
dB
0,45
0,7
dB
12
16
--
dB
55 50 43 40 40 60 42
-- -- -- -- -- -- --
dB dB dB dB dB dB dB
Temperature coefficient of frequency
TCf
--
- 36
--
ppm/K
3
Aug 28, 2001
SAW Components Low-Loss Filter Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance:
B3821 860,5 MHz
TA = -30 ... +70 C ZS = 50 ZL = 50
min. Nominal frequency Maximum insertion attenuation 851,0 MHz ... 870,0 MHz Amplitude ripple (p-p) 851,0 MHz ... 870,0 MHz Input and output return loss 851,0 MHz ... 870,0 MHz Absolute attenuation 0,1 MHz ... 797,0 MHz 797,0 MHz ... 813,0 MHz 813,0 MHz ... 829,0 MHz 829,0 MHz ... 833,0 MHz 904,0 MHz ... 959,0 MHz 959,0 MHz ... 1089,0 MHz 1089,0 MHz ... 2000,0 MHz abs 45 40 35 19 30 50 30
typ. 860,5
max. -- MHz
fN
max
--
-- --
2,3
2,7
dB
0,55
0,8
dB
12
16
--
dB
55 50 43 40 40 60 42
-- -- -- -- -- -- --
dB dB dB dB dB dB dB
Temperature coefficient of frequency
TCf
--
- 36
--
ppm/K
4
Aug 28, 2001
SAW Components Low-Loss Filter Data Sheet
Transfer function (+15 C ... +35 C)
B3821 860,5 MHz
Transfer function (pass band; +15 C ... +35 C)
5
Aug 28, 2001
SAW Components Low-Loss Filter Data Sheet
B3821 860,5 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, D-81617 Munchen (c) 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.
6
Aug 28, 2001

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