MF1121-1 Datasheet, PDF (1/1 Pages) Mitsubishi Electric Semiconductor – FOR IF FILTER OF PCS HAND HELD

MF1121-1
FOR IF FILTER OF PCS HAND HELD
DESCRIPTION
This SAW filter for the IF filter circuit of PCS
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
• PCS Handheld
ELECTRICAL PERFORMANCE
PRELIMINARY
Item
Frequency range
Min.
Typ.
Center Fraquency (f0)
336.00 MHz
–––
–––
Insertion Loss at f0
336.00 MHz
4.5
5.5
Pass Band Ripple
f0 –50 kHz ~ f0 +70 kHz
f0 –80 kHz ~ f0 +100 kHz
–––
0.8
–––
1.0
Group Delay Ripple
f0 –80 kHz ~ f0 +100 kHz
–––
1.1
f0 –78.0 MHz ~ f0 –3.0 MHz
50.0
65.0
f0 –3.0 MHz ~ f0 –0.8 MHz
45.0
60.0
f0 –800 kHz ~ f0 –600 kHz
40.0
54.0
Stop band
Attenuation
(relative to 0 dB)
f0 –600 kHz ~ f0 –400 kHz
f0 +400 kHz ~ f0 +600 kHz
f0 +600 kHz ~ f0 +800 kHz
25.0
60.0
25.0
38.0
40.0
50.0
f0 +800 kHz ~ f0 +3.0 MHz
45.0
55.0
f0 +3.0 MHz ~ f0 +20.0 MHz
40.0
50.0
f0 +20 MHz ~ f0 +78.0 MHz
50.0
58.0
Package Size
4.8 × 9.1 × 2.0 mm
Operating temperature range: –25 ~ +85°C
Max.
–––
7.0
1.5
3.0
2.0
–––
–––
–––
–––
–––
–––
–––
–––
–––
Units
–––
dB
dBp-p
µSEC
dB
– 84 –
PACKAGE OUTLINE DIMENSIONS
MF1121-1
2.0
Index
7.1
10-0.8
67
8
9 ¹⁰
54
3
21
2.54 2.54
BOTTOM VIEW
5 : IN
10 : OUT
3 : Coupling Coil
Other : GND
SIDE VIEW
9.1
Measurement Circuit
IN
TOP VIEW
OUT
Unit : mm
3pF
IN
33nH
5
3
10
3pF
OUT
33nH
MF1121-1 TYPICAL CHARACTERISTICS
Insertion Loss vs. Frequency
[dB] 0 ^{S21 log MAG}
1 dB / REF 0 dB
–1
–2
–3
–4
–5
CH1 S21 delay
[µS]00
Group Delay
1 µs / REF 4 µs
6
4
2
CENTER 336.000 000 MHz
SPAN 1.000 000 MHz
Attenuation vs. Frequency (5 MHz Span)
CH1 S21 log MAG
[dB] 0
10 dB / REF 0 dB
–20
–40
–60
CH1 CENTER 336.000 000 MHz
SPAN 1.000 000 MHz
Attenuation vs. Frequency (50 MHz Span)
CH1 S21 SWR
[dB] 0
10 dB / REF 0 dB
–20
–40
–60
CH1 CENTER 336.000 000 MHz
SPAN 5.000 000 MHz
– 85 –
CENTER 336.000 000 MHz
SPAN 10.000 000 MHz