TDK HHM Series HHM1522B1 - Manual (Page 2)

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001-02 / 20080106 / e751_hhm1522b1.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
Unbalance 50 Ω/Balance 50Ω
RETURN LOSS
–40
700 800 900 1000 1100 1200
–20
–25
–30
–35
–15
–10
–5
0
Retur
n loss
( dB
)
Frequency(MHz)
1: 880MHz
–23.68dB
2: 920MHz
–24.99dB
3: 960MHz
–22.03dB
1
2
3
INSERTION LOSS
–5.0
–4.0
–4.5
–3.0
–3.5
–2.0
–2.5
–1.0
–1.5
–0.5
0.0
Inser
tion loss
( dB
)
Frequency(MHz)
1: 880MHz
–0.96dB
2: 920MHz
–0.96dB
3: 960MHz
–0.97dB
700 800 900 1000 1100 1200
1 2 3
AMPLITUDE BALANCE
2
1
4
3
5
–4
–5
–2
–3
–1
0
Amplitude balance
( dB
)
Frequency(MHz)
1: 880MHz
0.45dB
2: 920MHz
0.47dB
3: 960MHz
0.49dB
700 800 900 1000 1100 1200
1 2 3
PHASE BALANCE
700 800 1200 1000 1100 900
Frequency(MHz)
1: 880MHz
180.74deg.
2: 920MHz
180.75deg.
3: 960MHz
180.84deg.
2 3 1
160
200
190
180
170
Phase balance
( deg.
)