b39440-x6893-n201 EPCOS AG, b39440-x6893-n201 Datasheet - Page 3

• Manufacturer Part Number: b39440-x6893-n201
• Description: Bandpass Filter
• Manufacturer: EPCOS AG

Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Center frequency
Insertion attenuation
Reference level for the
following data
Pass bandwith
Relative attenuation
Lower sidelobe
Upper sidelobe
Reflected wave signal suppression
1,2 s ... 6,0 s after main pulse
(test pulse 250 ns,
carrier frequency 44,06 MHz)
Feedthrough signal suppression
1,2 s ... 1,1 s before main pulse
(test pulse 250 ns,
carrier frequency 44,06 MHz)
Group delay ripple (p-p)
Aperture 50 kHz
Impedance at 44,06 MHz
Temperature coefficient of frequency
(center between 10 dB points)
SAW Components
Bandpass Filter
rel
rel
3 dB
30 dB
35,06 ... 38,96 (35,00 ... 38,90) MHz
38,96 ... 40,01 (38,90 ... 39,95) MHz
48,11 ... 49,46 (48,05 ... 49,40) MHz
49,46 ... 55,06 (49,40 ... 55,00) MHz
40,96 ... 47,16 (40,90 ... 47,10) MHz
Input:
Output: Z
Z
IN
OUT
44,06 (44,00) MHz
40,96 (40,90) MHz
47,16 (47,10) MHz
= R
= R
IN
OUT
|| C
|| C
IN
OUT
T
Z
Z
A
S
L
3
= 25 (45) ˚C
= 50
= 2 k || 3 pF
f
B
B
TC
C
rel
3dB
30dB
Apr 30, 2004
f
min.
13,5
38,0
35,0
30,0
38,0
42,0
50,0
—
—
—
—
—
—
—
—
—
1,7 ||15,2
1,6 || 4,4
–72
(44,00)
typ.
15,0
45,0
43,0
37,0
45,0
52,0
56,0
40
6,2
7,7
2,8
3,3
max.
16,5
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
44,00 MHz
X 6893 D
MHz
dB
MHz
MHz
dB
dB
dB
dB
dB
dB
dB
dB
ns
k || pF
k || pF
ppm/K