b39389-x6922-n201 EPCOS AG, b39389-x6922-n201 Datasheet - Page 3

• Manufacturer Part Number: b39389-x6922-n201
• Description: 38,912 Mhz Bandpass Filter
• Manufacturer: EPCOS AG

Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Center frequency
(center between 10 dB points)
Insertion attenuation
Reference level for the
following data
Pass bandwidth
Relative attenuation
Lower sidelobe (incl. second adjacent channel)
Upper sidelobe (incl. second adjacent channel)
Reflected wave signal suppression
1,6 s ... 6,0 s after main pulse
(test pulse 250 ns, carrier frequency 38,922 MHz)
Group delay ripple (p-p)
Impedance at 38,922 MHz
Temperature coefficient of frequency
SAW Components
Bandpass Filter
rel
rel
30 dB
3 dB
36,27 ... 37,31 (36,26 ... 37,30) MHz
40,61 ... 41,41 (40,60 ... 41,40) MHz
30,01 ... 36,27 (30,00 ... 36,26) MHz
41,41 ... 50,01 (41,40 ... 50,00) MHz
38,12 ... 39,72 (38,11 ... 39,71) MHz
Input:
Output: Z
Z
38,922 (38,912) MHz
IN
OUT
= 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
3dB
30dB
rel
Feb 10, 2004
f
(38,874)
min.
17,2
38,0
38,0
43,0
42,0
42,0
—
—
—
—
—
—
(38,912)
1,0 ||25,3
0,9 ||15,0
–18
typ.
18,7
41,0
44,0
50,0
47,0
52,0
35
1,5
2,7
(38,950) MHz
max.
20,2
—
—
—
—
—
—
—
—
—
—
—
38,912 MHz
X 6922 D
dB
MHz
MHz
dB
dB
dB
dB
dB
ns
k || pF
k || pF
ppm/K