3January 10, 2003
SAW Components B3826
570,00 MHzLow-Loss Filter
Data Sheet
Characteristics (unbalanced operation)
Operating temperature range: T = -10 .. 85 ˚C
Terminating source impedance:
Z
S= 440 Ω || 11 nH
Terminating load impedance:
Z
L= 237 Ω || 9 nH
min. typ. max.
Nominal frequency
f
N— 570,0 — MHz
Minimum insertion attenuation αmin 10,0 11,8 12,5 dB
(including matching network 1))
Pass bandwidth
B
3,0dB
αrel ≤ 3,0 dB 4,6 4,8 5,0 MHz
Amplitude ripple (p-p) ∆α
f
N±1,92 MHz 0,1 0,8 1,5 dB
Absolute Group delay τ
@
f
N550 620 690 ns
Group delay ripple (p-p) ∆τ
f
N±1,92 MHz 50 150 300 ns
Adjacent channel selectivity
ACS
21 29 39 dB
Minimum relative attenuation (relative to αmin)αrel
fN±3,5 MHz ... fN± 5,0 MHz 20 25 40 dB
fN - 5,0 MHz ... fN - 8,0 MHz 45 47 55 dB
fN - 8,0 MHz ... fN - 20,0 MHz 48 50 55 dB
fN + 5,0 MHz ... fN + 7,0 MHz 45 50 55 dB
fN + 7,0 MHz ... fN + 9,0 MHz 44 45 55 dB
fN + 9,0 MHz ... fN +10,0 MHz 46 47 55 dB
fN +10,0 MHz ... fN +20,0 MHz 48 50 55 dB
Intermodulation
IM3
f1 = 569 MHz, input power +1dBm
f2 = 571 MHz, input power +1dBm
@
f
N + 3 MHz -130 -105 -95 dBm
@
f
N - 3 MHz -130 -104 -94 dBm