B8103 Datasheet, PDF (5/7 Pages) EPCOS – IF Filters for Cordless Phones and ISM-Band Application

SAW Components
Bandpass Filter
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
B 8103
110,59 MHz
T = +25 ˚C
Z_S = 50 Ω (190 Ω || 160 nH*)
Z_L = 50 Ω (180 Ω || 150 nH*)
min.
typ.
f_N
110,53 110,59
max.
110,65 MHz
Insertion attenuationat f_N
(including losses in matching network)
α_N
14,0
15,5
17,0 dB
(11,1*) (12,6*) (14,1*) dB
Pass bandwidth
Group delay ripple (p-p)
f_N - 350 kHz ...
f_N + 350 kHz
Β_3dB
Β_30dB
∆τ
0,66
—
0,70
0,74 MHz
1,9
— MHz
—
130
200 ns
— (350*) (450*) ns
Relative attenuation (relative to α_n)
α_rel
f_N ± 20,0 MHz ... f_N ± 3,1 MHz
42
48
— dB
f_N ± 3,1 MHz ... f_N ± 2,5 MHz
40
48
— dB
f_N ± 2,5 MHz ... f_N ± 1,3 MHz
32
38
— dB
Impedance at f_N
Input: Z_IN = R_IN || C_IN
Output: Z_OUT = R_OUT || C_OUT
Temperature coefficient of frequency
TC_f
— 190 || 12
— ^{180 || 16}
— – 18
— Ω || pF
— Ω || pF
— ppm/K
*) with matching network to 50 Ω (element values depend on PCB layout):
L_s1 = 100 nH
L_s2 = 120 nH
3 May 08, 2001