b39570-x6765-n201 EPCOS AG, b39570-x6765-n201 Datasheet - Page 3

• Manufacturer Part Number: b39570-x6765-n201
• Description: Saw Bandpass Filter
• Manufacturer: EPCOS AG

Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
1.2 s ... 6.0 s after main pulse
Please read cautions and warnings and
important notes at the end of this document.
Insertion attenuation
Reference level for
the following data
Pass bandwidth
Relative attenuation
Lower sidelobe
Upper sidelobe
Reflected wave signal suppression
(test pulse 250 ns,
carrier frequency 57.08 MHz)
Group delay ripple (p-p)
Aperture 50kHz
Impedance at 57.08 MHz
Temperature coefficient of frequency
SAW Components
SAW bandpass filter
rel
45.08 ... 52.83 (45.00 ... 52.75) MHz
60.33 ... 61.58 (60.25 ... 61.50) MHz
61.58 ... 65.08 (61.50 ... 65.00) MHz
54.08 ... 59.58 (54.00 ... 59.50) MHz
3 dB
Input:
Output: Z
Z
IN
OUT
57.08 (57.00) MHz
54.43 (54.35) MHz
59.28 (59.20) MHz
54.08 (54.00) MHz
59.58 (59.50) MHz
52.83 (52.75) MHz
60.33 (60.25) MHz
= R
= R
IN
OUT
|| C
|| C
IN
OUT
B
TC
rel
3dB
T
Z
Z
A
S
L
f
3
= 25 (45) ˚C
= 50
= 2 k || 3 pF
March 25, 2008
min.
11.0
–0.8
–0.2
34.0
30.0
36.0
32.0
36.0
42.0
—
—
—
—
—
—
—
0.9 ||11.8
1.2 || 3.1
@ 25 ˚C
–72
typ.
12.5
42.0
38.0
42.0
38.0
42.0
52.0
50
5.5
0.2
0.8
3.0
3.6
max.
14.0
—
—
—
—
—
—
—
—
—
—
—
—
—
1.2
1.8
57.00 MHz
X 6765 D
dB
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
k || pF
k || pF
ppm/K