SAW Components Low-loss Filter - EPCOS
Description
SAW Components
Data Sheet B3558
SAW Components Low-loss Filter Data Sheet
B3558 449,10 MHz
Ceramic package QCC8C
Features
s RF low-loss filter for remote control receivers s Package for Surface Mounted Technology
(SMT)
s Balanced and unbalanced operation possible
Terminals
s Ni, gold plated
typ.
dimensions in mm, approx.
weight 0,1 g
Pin configuration 1 2 5 6 4,8 3,7 Input Ground Input Output Output Ground Case - Ground to be grounded
Type B3558
Ordering code B39451-B3558-U310
Marking and package according to C61157-A7-A56
Packing according to F61074-V8070-Z000
Electrostactic Sensitive Device (ESD)
Maximum ratings Operable temperature range TA Storage temperature range DC voltage Source power –30/+85 –45/+90 0 10 ˚C ˚C V dBm
Tstg VDC PS
source impedance 50 Ω
2
May 09, 2001
SAW Components Low-loss Filter Data Sheet
Characteristics Reference temperature: Terminating source impedance: Terminating load impedance:
B3558 449,10 MHz
TA = 25 ˚C ZS = 50 Ω and matching network ZL = 50 Ω and matching network
min.
typ.
449,14 max.
— MHz
Center frequency (center frequency between 3 dB points)
fC
—
Minimum insertion attenuation αmin 449,00 .
.
.
449,28 MHz Pass band (relative to αmin) 448,965 .
.
.
449,315 MHz 448,930 .
.
.
449,350 MHz Relative attenuation (relative to αmin) 10,00 .
.
.
428,00 428,00 .
.
.
439,00 439,00 .
.
.
448,10 450,10 .
.
.
459,00 459,00 .
.
.
550,00 550,00 .
.
.
1000,00 αrel MHz MHz MHz MHz MHz MHz
—
2,2
3,2
dB
— —
0,8 1,5
3,0 6,0
dB dB
45 40 15 15 40 45
50 45 25 25 45 50
— — — — — —
dB dB dB dB dB dB
Impedance for pass band matching 2) Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency 1) Frequency inversion point
1)Temperature 2)
— —
210 || 2,70 210 || 2,70 –0,03 —
— — — 40
Ω || pF Ω || pF ppm/K2 °C
TCf T0
— 20
dependence of fC: fC(TA) = fC(T0) (1 + TCf(TA – T0)2)
Impedance for passband matching bases on an ideal, perfect matching of the SAW filter to source- and to load impedance (here 50 O...
Similar Datasheet
