HMC1044LP3E
v01.0712
Programmable Harmonic low Pass Filter
1 - 3 gHz 3 db banDwiDtH
16
0
-10
-20
-30
-40
-50
-60
Unfiltered
3rd LO Harmonic
2nd LO Harmonic
14
12
10
8
Targeted Harmonic Levels
6
4
Filtered
2
0
500
1000
1500
2000
2500
3000
500
1000
1500
2000
2500
3000
LO FREQUENCY (MHz)
LO FUNDAMENTAL FREQUENCY (MHz)
Fꢃꢇuꢈꢋ 14. Hmc1044lP3e ꢍꢅꢀd ꢊꢋꢆꢋꢁꢂꢃꢄꢀ ꢁꢄꢈꢈꢋꢊpꢄꢀdꢃꢀꢇ ꢂꢄ
Figure 13
Fꢃꢇuꢈꢋ 13. mꢅxꢃꢉuꢉ Hmc1044lP3e ꢅꢂꢂꢋꢀuꢅꢂꢃꢄꢀ ꢄf 3ꢈd hꢅꢈꢉꢄꢀꢃꢁ ꢄf ꢂhꢋ
[2]
lo
oꢇꢂꢀꢆvꢁꢈꢌ ꢉhꢀ ꢆꢀꢂuꢄꢉꢂ ꢂhꢅwꢈ ꢁꢈ Figure 13 ꢁꢈ ꢉhꢀ ꢊꢅꢈꢉꢀxꢉ ꢅf ꢉꢃꢆꢌꢀꢉꢀd pꢀꢆfꢅꢆꢋꢃꢈꢊꢀ ꢁꢈ Figure 12; iꢉ ꢁꢂ ꢃppꢃꢆꢀꢈꢉ ꢉhꢃꢉ ꢉhꢀ
Hmc1044lP3e ꢃꢉꢉꢀꢈuꢃꢉꢀꢂ ꢇꢅꢉh ꢉhꢀ 3ꢆd ꢃꢈd ꢉhꢀ 2ꢈd lo hꢃꢆꢋꢅꢈꢁꢊꢂ ꢉꢅ wꢀꢄꢄ ꢇꢀꢄꢅw ꢉhꢀ ꢉꢃꢆꢌꢀꢉꢀd ꢋꢃxꢁꢋuꢋ lo hꢃꢆꢋꢅꢈꢁꢊ
ꢄꢀvꢀꢄ ꢂhꢅwꢈ ꢁꢈ Figure 12, ꢀꢈꢂuꢆꢁꢈꢌ ꢉhꢃꢉ ꢉhꢀ ꢉꢃꢆꢌꢀꢉꢀd ꢋꢅduꢄꢃꢉꢅꢆ ꢂꢁdꢀꢇꢃꢈd ꢆꢀjꢀꢊꢉꢁꢅꢈ pꢀꢆfꢅꢆꢋꢃꢈꢊꢀ ꢁꢂ ꢃꢊhꢁꢀvꢀd.
Figure 15 ꢂhꢅwꢂ ꢉhꢀ ꢅpꢉꢁꢋꢃꢄ 2ꢈd hꢃꢆꢋꢅꢈꢁꢊ ꢃꢉꢉꢀꢈuꢃꢉꢁꢅꢈ ꢃꢊhꢁꢀvꢀd wꢁꢉh ꢉhꢀ Hmc1044lP3e, whꢀꢈ ꢉhꢀ HMC830LP6GE
Pll wꢁꢉh iꢈꢉꢀꢌꢆꢃꢉꢀd Vco ꢁꢂ uꢂꢀd ꢃꢂ ꢃꢈ lo ꢉꢅ dꢆꢁvꢀ ꢉhꢀ HMC697LP4E quꢃdꢆꢃꢉuꢆꢀ ꢋꢅduꢄꢃꢉꢅꢆ. thꢀ ꢊꢅꢆꢆꢀꢂpꢅꢈdꢁꢈꢌ
Hmc1044lP3e ꢇꢃꢈd ꢂꢀꢄꢀꢊꢉꢁꢅꢈ ꢁꢂ ꢂhꢅwꢈ ꢁꢈ Figure 16.
20
15
10
5
0
-10
-20
-30
-40
-50
-60
Unfiltered
3rd LO Harmonic
2nd LO Harmonic
Targeted Harmonic Levels
0
Filtered
1000
-5
500
1500
2000
2500
3000
500
1000
1500
2000
2500
3000
LO FUNDAMENTAL FREQUENCY (MHz)
LO FREQUENCY (MHz)
Fꢃꢇuꢈꢋ 15. mꢅxꢃꢉuꢉ Hmc1044lP3e ꢅꢂꢂꢋꢀuꢅꢂꢃꢄꢀ ꢄf 2ꢀd
[2]
Fꢃꢇuꢈꢋ 16. Hmc1044lP3e ꢍꢅꢀd ꢊꢋꢆꢋꢁꢂꢃꢄꢀ ꢁꢄꢈꢈꢋꢊpꢄꢀdꢃꢀꢇ ꢂꢄ
Figure 15
hꢅꢈꢉꢄꢀꢃꢁ ꢄf ꢂhꢋ lo
oꢇꢂꢀꢆvꢁꢈꢌ ꢉhꢀ ꢆꢀꢂuꢄꢉꢂ ꢂhꢅwꢈ ꢁꢈ Figure 15 ꢁꢈ ꢉhꢀ ꢊꢅꢈꢉꢀxꢉ ꢅf ꢉhꢀ ꢉꢃꢆꢌꢀꢉꢀd pꢀꢆfꢅꢆꢋꢃꢈꢊꢀ ꢁꢈ Figure 12; ꢁꢉ ꢁꢂ ꢃppꢃꢆꢀꢈꢉ ꢉhꢃꢉ ꢉhꢀ
Hmc1044lP3e ꢃꢉꢉꢀꢈuꢃꢉꢀꢂ ꢇꢅꢉh ꢉhꢀ 3ꢆd ꢃꢈd ꢉhꢀ 2ꢈd lo hꢃꢆꢋꢅꢈꢁꢊꢂ ꢉꢅ wꢀꢄꢄ ꢇꢀꢄꢅw ꢉhꢀ ꢉꢃꢆꢌꢀꢉꢀd ꢋꢃxꢁꢋuꢋ lo hꢃꢆꢋꢅꢈꢁꢊ
ꢄꢀvꢀꢄ ꢂhꢅwꢈ ꢁꢈ Figure 12, ꢀꢈꢂuꢆꢁꢈꢌ ꢉhꢃꢉ ꢉhꢀ ꢉꢃꢆꢌꢀꢉꢀd ꢋꢅduꢄꢃꢉꢅꢆ ꢂꢁdꢀꢇꢃꢈd ꢆꢀjꢀꢊꢉꢁꢅꢈ pꢀꢆfꢅꢆꢋꢃꢈꢊꢀ ꢂhꢅwꢈ ꢁꢈ Figure 12 ꢁꢂ
ꢃꢊhꢁꢀvꢀd.
Uꢂꢁꢈꢌ ꢉhꢀ ꢆꢀꢄꢃꢉꢁꢅꢈꢂhꢁp ꢇꢀꢉwꢀꢀꢈ ꢂꢁdꢀꢇꢃꢈd/ꢁꢋꢃꢌꢀ ꢆꢀjꢀꢊꢉꢁꢅꢈ vꢂ. lo hꢃꢆꢋꢅꢈꢁꢊ dꢁꢂꢉꢅꢆꢉꢁꢅꢈ ꢁꢈ Figure 12 ꢃꢂ ꢃ ꢆꢀfꢀꢆꢀꢈꢊꢀ, ꢁꢉ ꢊꢃꢈ
ꢇꢀ ꢅꢇꢂꢀꢆvꢀd ꢉhꢃꢉ ꢇꢅꢉh ꢃppꢆꢅꢃꢊhꢀꢂ (ꢋꢃxꢁꢋꢁzꢁꢈꢌ 2ꢈd hꢃꢆꢋꢅꢈꢁꢊ ꢃꢉꢉꢀꢈuꢃꢉꢁꢅꢈ ꢁꢈ Figure 13, ꢃꢈd ꢋꢃxꢁꢋꢁzꢁꢈꢌ 3ꢆd hꢃꢆꢋꢅꢈꢁꢊ
ꢃꢉꢉꢀꢈuꢃꢉꢁꢅꢈ ꢁꢈ Figure 14) ꢃꢊhꢁꢀvꢀ ꢂꢁdꢀꢇꢃꢈd/ꢁꢋꢃꢌꢀ ꢆꢀjꢀꢊꢉꢁꢅꢈ pꢀꢆfꢅꢆꢋꢃꢈꢊꢀ ꢁꢋpꢆꢅvꢀꢋꢀꢈꢉ, ꢃꢈd ꢀffꢀꢊꢉꢁvꢀꢄy ꢆꢀꢋꢅvꢀ ꢃꢈy
lo ꢊꢅꢈꢉꢆꢁꢇuꢉꢁꢅꢈ ꢉꢅ ꢂꢁdꢀꢇꢃꢈd/ꢁꢋꢃꢌꢀ ꢆꢀjꢀꢊꢉꢁꢅꢈ pꢀꢆfꢅꢆꢋꢃꢈꢊꢀ dꢀꢌꢆꢃdꢃꢉꢁꢅꢈ. Hꢅwꢀvꢀꢆ, Figure 12 ꢂuꢌꢌꢀꢂꢉꢂ ꢉhꢃꢉ, whꢀꢈ uꢂꢁꢈꢌ
ꢃ 1xlo ꢉypꢀ ꢋꢅduꢄꢃꢉꢅꢆ, ꢋꢅꢆꢀ ꢀꢋphꢃꢂꢁꢂ ꢂhꢅuꢄd ꢇꢀ pꢄꢃꢊꢀd ꢅꢈ ꢃꢉꢉꢀꢈuꢃꢉꢁꢈꢌ ꢉhꢀ 3ꢆd hꢃꢆꢋꢅꢈꢁꢊ ꢉhꢃꢈ ꢉhꢀ ꢂꢀꢊꢅꢈd ꢇꢀꢊꢃuꢂꢀ
ꢉhꢀ 2ꢈd hꢃꢆꢋꢅꢈꢁꢊ ꢊꢀꢃꢂꢀꢂ ꢉꢅ ꢇꢀ ꢃ ꢊꢅꢈꢉꢆꢁꢇuꢉꢅꢆ ꢃꢉ ꢄꢀvꢀꢄꢂ ~<-20 dbꢊ, whꢁꢄꢀ ꢉhꢀ 3ꢆd hꢃꢆꢋꢅꢈꢁꢊ ꢊꢅꢈꢉꢁꢈuꢀꢂ ꢊꢅꢈꢉꢆꢁꢇuꢉꢁꢈꢌ ꢉꢅ
ꢂꢁdꢀꢇꢃꢈd/ꢁꢋꢃꢌꢀ ꢆꢀjꢀꢊꢉꢁꢅꢈ, ꢃꢄꢇꢀꢁꢉ ꢃꢉ ꢃ ꢂꢋꢃꢄꢄꢀꢆ ꢆꢃꢉꢀ fꢅꢆ ꢉhꢀ pꢃꢆꢉꢁꢊuꢄꢃꢆ dꢀꢂꢁꢌꢈ ꢊhꢃꢆꢃꢊꢉꢀꢆꢁzꢀd ꢁꢈ Figure 12.
[2] mꢀꢃꢂuꢆꢀd wꢁꢉh Hmc830lP6ge ꢃꢂ ꢃꢈ lo ꢃꢈd Hmc697lP4e ꢋꢅduꢄꢃꢉꢅꢆ. thꢀ Hmc830lP6ge wꢃꢂ uꢂꢀd ꢁꢈ ꢂꢁꢈꢌꢄꢀ-ꢀꢈdꢀd ꢅuꢉpuꢉ ꢊꢅꢈfiꢌuꢆꢃꢉꢁꢅꢈ.
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