3Sep 27, 2000
SAW Components B3644
300,0 MHzLow-Loss Filter
Data Sheet
Characteristics
Operating temperature:
T
A= -45 .. +85 ˚C
Terminating source impedance:
Z
S= 50 Ω and matching network
Terminating load impedance:
Z
L= 50 Ω and matching network
Group delay aperture: 50 kHz
min. typ. max.
Nominal frequency
f
N— 300,0 — MHz
Minimum insertion attenuation αmin — 8,9 10,0 dB
(including matching network)
Passband width
αrel ≤3 dB
B
3dB 4,5 5,6 6,0 MHz
Amplitude ripple (p-p) ∆α
297,9 ... 302,1 MHz — — 3,0 dB
Group delay ripple (p-p) ∆τ
297,9 ... 302,1 MHz — 60 80 ns
297,5 ... 302,5 MHz — 65 100 ns
Relative attenuation (relative to αmin)αrel
f
N − 100 MHz ...
f
N− 15 MHz 40 50 — dB
f
N − 15 MHz ...
f
N−6,5 MHz 30 40 — dB
f
N − 6,5 MHz ...
f
N−5,5 MHz 25 30 — dB
f
N − 5,5 MHz ...
f
N−3,6 MHz 3 7 — dB
f
N + 3,6 MHz ...
f
N+5,5 MHz 3 7 — dB
f
N + 5,5 MHz ...
f
N+7,5 MHz 25 27 — dB
f
N + 7,5 MHz ...
f
N+15 MHz 30 40 — dB
f
N + 15 MHz ...
f
N+100 MHz 40 50 — dB
Temperature coefficient of frequency
TC
f— –18 — ppm/K