TDK DVB-H/ISDB-T 产品宣传页
(2/2)
001-01 / 20080105 / e751_hhm1591a2.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
Unbalance 50
Ω/Balance 100Ω
RETURN LOSS
INSERTION LOSS
AMPLITUDE BALANCE
PHASE BALANCE
–40
300 400 500 600 700 800 900 100011001200
–20
–25
–30
–35
–15
–10
–5
0
Retur
n loss
( dB
)
Frequency(MHz)
1: 350.0MHz
–6.73dB
2: 650.0MHz
–17.05dB
3: 950.0MHz
–12.20dB
–6.73dB
2: 650.0MHz
–17.05dB
3: 950.0MHz
–12.20dB
1
2
3
300 400 500 600 700 800 900 100011001200
Frequency(MHz)
1: 350.0MHz
–2.20dB
2: 650.0MHz
–0.92dB
3: 950.0MHz
–1.30dB
–2.20dB
2: 650.0MHz
–0.92dB
3: 950.0MHz
–1.30dB
–5.0
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–2.5
–3.0
–3.5
–4.0
–4.5
–1.5
–1.0
–0.5
0.0
Inser
tion loss
( dB
)
1
2
3
300 400 500 600 700 800 900 100011001200
Frequency(MHz)
1: 350.0MHz
–0.43dB
2: 650.0MHz
0.19dB
3: 950.0MHz
0.61dB
–0.43dB
2: 650.0MHz
0.19dB
3: 950.0MHz
0.61dB
–5
1
0
0
–1
–2
–3
–4
–2
–3
–4
2
3
4
5
Amplitude balance
( dB
)
1
2
3
300 400 500 600 700 800 900 100011001200
Frequency(MHz)
1: 350.0MHz
178.43deg.
2: 650.0MHz
176.25deg.
3: 950.0MHz
174.96deg.
178.43deg.
2: 650.0MHz
176.25deg.
3: 950.0MHz
174.96deg.
160
180
170
190
200
Phase balance
( deg.
)
1
2
3