TDK HHM Series HHM1791A1 - Manual (Page 2)

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002-01 / 20080520 / e751_hhm1791a1.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
Unbalance 50 Ω/Balance 100Ω
RETURN LOSS
–40
2400 2800 2700 2600 2500
–20
–25
–30
–35
–15
–10
–5
0
Retur
n loss
( dB
)
Frequency(MHz)
1: 2500.0MHz
–17.18dB
2: 2600.0MHz
–18.25dB
3: 2700.0MHz
–19.35dB
1 2
3
INSERTION LOSS
1: 2500.0MHz
–0.38dB
2: 2600.0MHz
–0.36dB
3: 2700.0MHz
–0.36dB
Frequency(MHz)
–5.0
–2.0
–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
2400 2800 2700 2600 2500 2450 2750 2650 2550
AMPLITUDE BALANCE
2400 2800 2700 2600 2500 2450 2750 2650 2550
Frequency(MHz)
–5
1
0
–1
–2
–3
–4
2
3
4
5
Amplitude balance
( dB
) 1: 2500.0MHz
1.11dB
2: 2600.0MHz
0.24dB
3: 2700.0MHz
–0.64dB
1
2
3
PHASE BALANCE
Frequency(MHz)
1: 2500.0MHz
178.35deg.
2: 2600.0MHz
177.11deg.
3: 2700.0MHz
175.89deg.
160
170
180
190
200
Phase balance
( deg.
)
1
2 3
2400 2800 2700 2600 2500 2450 2750 2650 2550