3Jul 15, 2004
SAW Components B4832
400,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range: T = -40˚C to +85˚C
Terminating source impedance: ZS= 600 Ω|| 90 nH
Terminating load impedance: ZL= 600 Ω|| 90 nH
External Coil: Lc= 47 nH
1) Temperature dependence of fc:f
c(T) = fc(T0)(1 + TCf(T – T0)2)
min. typ. max.
Nominal frequency
f
N— 400,0 — MHz
Maximum insertion attenuation
(excluding loss in matching elements)
f
N-0,083 ...
f
N+0,083 MHz — 3,7 6,0 dB
(including loss in matching elements) αmax
f
N-0,083 ...
f
N+0,083 MHz — 5,2 7,5 dB
Amplitude ripple (p-p) ∆α
f
N-0,083 ...
f
N+0,083 MHz — 1,0 2,0 dB
Relative attenuation (relative to αmax)αrel
f
N-100,0...
f
N-1,5 MHz 35,0 48,0 — dB
f
N-1,5 ...
f
N-0,8 MHz 20,0 51,0 — dB
f
N-0,8 ...
f
N-0,6 MHz 10,0 45,0 — dB
f
N-0,6 ...
f
N-0,4 MHz 7,0 15,0 — dB
f
N+0,4 ...
f
N+0,6 MHz 7,0 15,0 — dB
f
N+0,6...
f
N+0,8 MHz 10,0 30,0 — dB
f
N+0,8 ...
f
N+1,5 MHz 20,0 40,0 — dB
f
N+1,5 ...
f
N+100,0 MHz 35,0 54,0 — dB
Group delay ripple (p-p) ∆τ
f
N-0,083 ...
f
N+0,083 MHz — 0,55 1,0 µs
Temperature coefficient of frequency 1)
TC
f—- 0,036 — ppm/K2
Frequency inversion point
T
0—20 —˚C