TDK HHM Series HHM1564A - Manual (Page 2)

(2/2)
001-02 / 20080105 / e751_hhm1564a4.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
Unbalance 50 Ω/Balance 200Ω
RETURN LOSS
–50
750 790 810 770 830 850 870 890 910 930 950
–20
–25
–30
–35
–40
–45
–15
–10
–5
0
Retur
n loss
( dB
)
Frequency(MHz)
1: 824.0MHz
–22.6dB
2: 859.0MHz
–26.46dB
3: 894.0MHz
–20.48dB
1
2
3
INSERTION LOSS
750 790 810 770 830 850 870 890 910 930 950
Frequency(MHz)
1: 824.0MHz
–0.66dB
2: 859.0MHz
–0.62dB
3: 894.0MHz
–0.63dB
–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
AMPLITUDE BALANCE
750 790 810 770 830 850 870 890 910 930 950
Frequency(MHz)
1: 824.0MHz
0.31dB
2: 859.0MHz
0.32dB
3: 894.0MHz
0.338dB
–5
1
0
–1
–2
–3
–4
2
3
4
5
Amplitude balance
( dB
)
1 2 3
PHASE BALANCE
750 790 810 770 830 850 870 890 910 930 950
Frequency(MHz)
1: 824.0MHz
178.2deg.
2: 859.0MHz
178.0deg.
3: 894.0MHz
177.8deg.
160
180
175
170
165
185
190
195
200
Phase balance
( deg.
)
1 2 3