B4219 Datasheet, PDF (3/12 Pages) EPCOS – SAW Components Low-Loss Dual Band Filter for Mobile Communication 881,5 & 1960,0 MHz

SAW Components
Low-Loss Dual Band Filter for Mobile Communication
Preliminary Data Sheet
B4219
881,5 & 1960,0 MHz
Characteristics of PCS Rx filter
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Center frequency
T = -30 to +85 ˚C
Z_S = 50 Ω
Z_L = 50 Ω
min.
f_c
—
typ.
1960,0
max.
— MHz
Maximum insertion attenuation
1930,0... 1990,0MHz
α_max
—
3,7
4,3 dB
Amplitude ripple (p-p)
∆α
1930,0... 1990,0MHz
—
1,9
2,5 dB
Input return loss
1930,0...1990,0 MHz
10,0
11,5
— dB
Output return loss
1930,0...1990,0 MHz
10,0
11,5
— dB
Attenuation
α
30,0...1850,0 MHz
2110,0...2400,0 MHz
20,0
22,0
— dB
20,0
31,0
— dB
Tx band suppression
1850,0...1910,0 MHz
13,0
20,0
— dB
3 Feb 06, 2002