TDK GSM850 - Manual (Page 2)

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001-02 / 20080112 / e741_dpx161990dt.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
Lo-BAND PORT S21
COMMON PORT RETURN LOSS S11
Lo-BAND PORT RETURN LOSS S22
Hi-BAND PORT S31
ISOLATION S23
Hi-PORT RETURN LOSS S33
SMITH CHARTS
S11 S22 S33 S21 S31
500 3000 2500 1500 2000 1000
–15
–20
–5
–10
0
–45
–50
–35
–40
–30
–25
Attenuation
( dB
)
Frequency(MHz)
1: 824MHz
–0.29dB
2: 960MHz
–0.40dB
3: 1710MHz
–19.3dB
4: 1990MHz
–22.7dB 1 2
3
4
500 3000 2500 1500 2000 1000
–15
–20
–5
–10
0
–35
–30
–25
Attenuation
( dB
)
1: 824MHz
–22.2dB
2: 960MHz
–19.3dB
3: 1710MHz
–17.2dB
4: 1990MHz
–11.6dB
1
2
3
4
Frequency(MHz)
500 3000 2500 1500 2000 1000
–15
–20
–5
–10
0
–35
–30
–25
Retur
n loss
( dB
)
Frequency(MHz)
1: 824MHz
–25.2dB
2: 960MHz
–23.1dB
3: 1710MHz
–0.8dB
4: 1990MHz
–0.5dB
1
2
3 4
500 3000 2500 1500 2000 1000
–15
–20
–5
–10
0
–45
–50
–35
–40
–30
–25
Attenuation
( dB
)
Frequency(MHz)
1: 824MHz
–21.4dB
2: 960MHz
–27.9dB
3: 1710MHz
–0.80dB
4: 1990MHz
–0.81dB
1
2
3 4
–15
–20
–5
–10
0
–45
–50
–35
–40
–30
–25
Attenuation
( dB
)
1: 824MHz
–21.9dB
2: 960MHz
–28.7dB
3: 1710MHz
–19.1dB
4: 1990MHz
–21.3dB
500 3000 2500 1500 2000 1000
1
3
4
2
Frequency(MHz)
500 3000 2500 1500 2000 1000
–15
–20
–5
–10
0
–35
–30
–25
Retur
n loss
( dB
)
1: 824MHz
–0.4dB
2: 960MHz
–0.6dB
3: 1710MHz
–23.8dB
4: 1990MHz
–12.9dB 1 2
3
4
Frequency(MHz)