Mitsubishi MF1055-2 Datasheet

MF1055-2

Parameter Units

MF1055-2

PASSBAND FREQUENCY 485 – 495
PASSBAND CHARACTERISTICS

Insertion Loss
Ripple
VSWR

STOPBAND ATTENUATION
440 – 450 MHz

Min Typ Max

2.7 dB
dBp-p

4.0

0.5 2.0

1.6 3.0

5650

MHz

dB

9.1

7.1

7

6
5

432

89

1

10

2.54 2.54

10-0.8

4.81.52.54

2.8

5 : IN (50Ω)
10 : OUT (50Ω)
Other : GND
Unit : mm

INDEX

Operating Temperature Range –20 to 75
Storage Temperature Range –30 to 85

Input Power 50

Rating Value

°C
°C

mW

Unit

FOR WLL, Rx

DESCRIPTION

This SAW filter for the receiving RF circuit of
wireless local loop communication equipment
operating at 485 MHz ~ 495 MHz.

APPLICATION

• Cordless telephone

• Portable cellular telephone

• Wireless equipment

ELECTRICAL PERFORMANCE

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.

MAXIMUM RATINGS

PACKAGE OUTLINE DIMENSIONS

MF1055-2 TYPICAL CHARACTERISTICS

Insertion Loss vs. Frequency Input VSWR vs. Frequency

CH1 S21 log MAG 1 dB / REF 0 dB CH1 S11 SWR 500 m / REF 1

[dB] 0

–1
–2
–3
–4
–5

CENTER 490.000 000 MHz SPAN 100.000 000 MHz CENTER 490.000 000 MHz SPAN 100.000 000 MHz

Attenuation vs. Frequency Output VSWR vs. Frequency

CH2 S21 log MAG 10 dB / REF 0 dB

[dB] 0

–10
–20
–30
–40
–50

3.0

2.0

1.0

CH1 S22 SWR 500 m / REF 1

3.0

2.0

1.0

MF1055-2

DIMENSIONS ARE IN MILLIMETERS
±0.2 UNLESS OTHERWISE SPECIFIED

– 62 –

START 400.000 000 MHz STOP 500.000 000 MHz

Attenuation vs. Frequency

CH2 S21 log MAG 10 dB / REF 0 dB

[dB] 0

–10
–20
–30
–40
–50

START .300 000 MHz STOP 3 000.000 000 MHz

CENTER 490.000 000 MHz SPAN 100.000 000 MHz

– 63 –