SAW Components
Bandpass Filter
Data Sheet
X 6933 D
57,00 MHz
Characteristics
Reference temperature:
TA = 25 (45) ˚C
Terminating source impedance:
Terminating load impedance:
ZS = 50 Ω
ZL = 2 kΩ || 3 pF and matching network
min.
typ.
max.
Insertion attenuation
α
Reference level for the
following data
57,02 (57,00) MHz
14,5
16,0
17,5 dB
Amplitude ripple (p-p)
∆α
54,52 ... 59,52 (54,50 ... 59,50)MHz
—
0,5
—
dB
Relative attenuation
αrel
52,77 (52,75) MHz
53,52 (53,50) MHz
54,21 (54,19) MHz
59,83 (59,81) MHz
60,27 (60,25) MHz
62,40 (62,38) MHz
64,77 (64,75) MHz
40,0
—
46,0
27,0
0,9
—
—
dB
dB
–0,1
0,3
1,9 dB
2,3 dB
1,3
—
13,0
48,0
49,0
—
dB
dB
dB
42,0
43,0
—
—
Lower sidelobe
45,02 ... 50,02 (45,00 ... 50,00)MHz
50,02 ... 52,77 (50,00 ... 52,75)MHz
39,0
36,0
45,0
40,0
—
—
dB
dB
Upper sidelobe
62,40 ... 70,02 (62,38 ... 70,00)MHz
Reflected wave signal suppression
38,0
42,0
45,0
52,0
—
—
dB
dB
1,5 µs ... 6,0 µs after main pulse
(test pulse 250 ns,
carrier frequency 57,02 MHz)
Group delay ripple (p-p)
∆τ
54,21 ... 59,83 (54,19 ... 59,81)MHz
Impedance at 57,02 MHz
Input: ZIN = RIN || CIN
—
40
—
ns
—
—
1,3 ||21,9
4,0 || 6,5
—
—
kΩ || pF
kΩ || pF
Output: ZOUT = ROUT || COUT
TCf
—
–18
—
ppm/K
Temperature coefficient of frequency
Matching network:
Lp1 = 820 nH
3
Oct 06, 2004
EPCOS [ EPCOS ]
