SAW Components
Bandpass Filter
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Insertion attenuation
Reference level for the
following data
X 6933 D
57,00 MHz
T
A
= 25 (45) ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF and matching network
min.
α
typ.
16,0
max.
17,5
dB
57,02 (57,00) MHz
14,5
Amplitude ripple
(p-p)
∆α
54,52 ... 59,52 (54,50 ... 59,50) MHz
Relative attenuation
52,77 (52,75)
53,52 (53,50)
54,21 (54,19)
59,83 (59,81)
60,27 (60,25)
62,40 (62,38)
64,77 (64,75)
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
rel
—
0,5
—
dB
40,0
—
–0,1
0,3
—
42,0
43,0
39,0
36,0
38,0
42,0
46,0
27,0
0,9
1,3
13,0
48,0
49,0
45,0
40,0
45,0
52,0
—
—
1,9
2,3
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Lower sidelobe
45,02 ... 50,02 (45,00 ... 50,00) MHz
50,02 ... 52,77 (50,00 ... 52,75) MHz
Upper sidelobe
62,40 ... 70,02 (62,38 ... 70,00) MHz
Reflected wave signal suppression
1,5
µs
... 6,0
µs
after main pulse
(test pulse 250 ns,
carrier frequency 57,02 MHz)
Group delay ripple
(p-p)
54,21 ... 59,83 (54,19 ... 59,81) MHz
Impedance
at 57,02 MHz
Input:
Z
IN
=
R
IN
||
C
IN
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
Matching network:
∆τ
—
—
—
40
1,3 ||21,9
4,0 || 6,5
–18
—
—
—
—
ns
kΩ || pF
kΩ || pF
ppm/K
TC
f
—
L
p1
= 820 nH
3
Oct 06, 2004
EPCOS [ EPCOS ]
