MF1091-1 Datasheet, PDF (1/1 Pages) Mitsubishi Electric Semiconductor – FOR IF FILTER OF DCS 1800 HAND HELD

MF1091-1
FOR IF FILTER OF DCS 1800 HAND HELD
DESCRIPTION
This SAW filter for the IF filter circuit of DCS
1800 hand held
FEATURES
1. SMD package insures small size, lightweight.
2. Adjustment free.
3. Low insertion loss and high stop band
attenuation.
4. Wide and sharp passband characteristics.
5. High stability and reliability.
6. Designed for reflow solderings.
APPLICATION
• DCS 1800 Handheld
PACKAGE OUTLINE DIMENSIONS
9.1
,,,,,,,,,, ,,,,,,,,, ,,,,,,,,,,
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:
:
:
:
IN
OUT
NC
GND
Unit : mm
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ELECTRICAL PERFORMANCE
PRELIMINARY
Item
Frequency range
Min.
Typ.
Center Fraquency (f0)
Bandwidth (f0-3 dB)
Insertion Loss at f0
Pass Band Ripple
246.0 MHz
–––
246.0 MHz
245.91 ~ 246.09 MHz
(f0 ± 90 kHz)
Group Delay Ripple
245.91 ~ 246.09 MHz
(f0 ± 90 kHz)
Attenuation
(relative to 0 dB)
f0 –25.0 ~
f0 –3.0 MHz
f0 –1.6 MHz
f0 –0.8 MHz
f0 –0.6 MHz
f0 –0.4 MHz
f0 –0.2 MHz
f0 +0.2 MHz
f0 +0.4 MHz
f0 +0.6 MHz
f0 +0.8 MHz
f0 +1.6 MHz
f0 +3.0 ~
f0 +5.0 MHz
f0 +5.0 ~
f0 +25.0 MHz
Input and Output
Impedances
Package Size
Operating temperature range: –10 ~ +75°C
–––
±90
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–––
–––
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±150
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0.8
0.8
47.0
52.0
48.0
53.0
22.0
25.0
22.0
25.0
20.0
25.0
6.0
8.0
6.0
10.0
28.0
33.0
33.0
38.0
37.0
42.0
28.0
33.0
33.0
38.0
48.0
53.0
290
9.1×4.8×2.0 mm
Measurement Circuit
MF1091-1
Max.
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–––
2.0
Units
–––
kHz
dB
dBp-p
1.5
µsec p-p
–––
–––
–––
–––
–––
–––
–––
dB
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6 pF
(50 ) IN
39 nH
6
NC
NC
1
6 pF
OUT (50 )
39 nH
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