HMC1044LP3E
v01.0712
Programmable Harmonic low Pass Filter
1 - 3 gHz 3 db banDwiDtH
Figure 17 ꢂhꢅwꢂ ꢉhꢀ ꢋꢃxꢁꢋuꢋ ꢂꢁdꢀꢇꢃꢈd ꢆꢀjꢀꢊꢉꢁꢅꢈ ꢃꢊhꢁꢀvꢀd wꢁꢉhꢅuꢉ ꢊꢃꢄꢁꢇꢆꢃꢉꢁꢈꢌ ꢉhꢀ ꢋꢅduꢄꢃꢉꢅꢆ, ꢇꢅꢉh wꢁꢉh ꢃꢈd wꢁꢉhꢅuꢉ
ꢉhꢀ Hmc1044lP3e. iꢉ ꢁꢂ ꢌꢀꢈꢀꢆꢃꢉꢀd ꢇy ꢂꢀꢄꢀꢊꢉꢁꢈꢌ ꢉhꢀ Hmc1044lP3e ꢇꢃꢈd ꢉhꢃꢉ ꢃꢊhꢁꢀvꢀꢂ ꢋꢃxꢁꢋuꢋ uꢈꢊꢃꢄꢁꢇꢆꢃꢉꢀd
ꢂꢁdꢀꢇꢃꢈd ꢆꢀjꢀꢊꢉꢁꢅꢈ fꢅꢆ ꢀꢃꢊh pꢃꢆꢉꢁꢊuꢄꢃꢆ fꢆꢀquꢀꢈꢊy ꢃꢊꢊꢆꢅꢂꢂ ꢃ vꢀꢆy wꢁdꢀ ꢇꢃꢈdwꢁdꢉh. thꢀ ꢊꢅꢆꢆꢀꢂpꢅꢈdꢁꢈꢌ Hmc1044lP3e
ꢇꢃꢈd ꢂꢀꢉꢉꢁꢈꢌꢂ ꢃꢆꢀ ꢂhꢅwꢈ ꢁꢈ Figure 18.
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LO FREQUENCY (MHz)
LO FREQUENCY (MHz)
Fꢃꢇuꢈꢋ 17. opꢂꢃꢉꢅꢆ uꢀꢁꢅꢆꢃꢍꢈꢅꢂꢋd ꢉꢄduꢆꢅꢂꢄꢈ ꢊꢃdꢋꢍꢅꢀd ꢈꢋjꢋꢁꢂꢃꢄꢀ
ꢌꢃꢂh ꢅꢀd ꢅꢀd ꢌꢃꢂhꢄuꢂ Hmc1044lP3e, ꢊꢃꢀꢇꢆꢋ-ꢋꢀdꢋd lo
Fꢃꢇuꢈꢋ 18. Hmc1044lP3e ꢍꢅꢀd ꢊꢋꢆꢋꢁꢂꢃꢄꢀ ꢁꢄꢈꢈꢋꢊpꢄꢀdꢃꢀꢇ ꢂꢄ
Figure 17
[3]
ꢁꢄꢀfiꢇuꢈꢅꢂꢃꢄꢀ
rꢀꢂuꢄꢉꢂ ꢂhꢅwꢈ ꢁꢈ Figure 17 ꢊꢅꢈfiꢆꢋ ꢉhꢃꢉ ꢉhꢀ Hmc1044lP3e ꢁꢋpꢆꢅvꢀꢂ ꢋꢅduꢄꢃꢉꢅꢆ ꢂꢁdꢀꢇꢃꢈd ꢆꢀjꢀꢊꢉꢁꢅꢈ ~20 db ꢃꢊꢆꢅꢂꢂ ꢉhꢀ
wꢁdꢀꢇꢃꢈd ꢅpꢀꢆꢃꢉꢁꢅꢈ ꢅf ꢉhꢀ ꢋꢅduꢄꢃꢉꢅꢆ ꢃꢈd Pll wꢁꢉh ꢁꢈꢉꢀꢌꢆꢃꢉꢀd Vco. sꢁdꢀꢇꢃꢈd ꢆꢀjꢀꢊꢉꢁꢅꢈ pꢀꢆfꢅꢆꢋꢃꢈꢊꢀ ꢁꢋpꢆꢅvꢀꢋꢀꢈꢉꢂ
ꢄꢀꢂꢂ ꢉhꢃꢈ ~20 db ꢅꢊꢊuꢆ ꢃꢉ ꢉhꢅꢂꢀ fꢆꢀquꢀꢈꢊꢁꢀꢂ whꢀꢆꢀ ꢉhꢀ lo hꢃꢆꢋꢅꢈꢁꢊꢂ ꢃꢆꢀ ꢈꢅꢉ ꢃ dꢅꢋꢁꢈꢃꢈꢉ ꢊꢅꢈꢉꢆꢁꢇuꢉꢅꢆ ꢉꢅ ꢂꢁdꢀꢇꢃꢈd
ꢆꢀjꢀꢊꢉꢁꢅꢈ, ꢁꢀ. whꢀꢆꢀ ꢂꢁdꢀꢇꢃꢈd ꢆꢀjꢀꢊꢉꢁꢅꢈ pꢀꢆfꢅꢆꢋꢃꢈꢊꢀ ꢁꢂ ꢃꢄꢆꢀꢃdy ꢌꢅꢅd.
thꢀ ꢊꢅꢆꢆꢀꢂpꢅꢈdꢁꢈꢌ Hmc1044lP3e ꢇꢃꢈd ꢂꢀꢄꢀꢊꢉꢁꢅꢈꢂ ꢂhꢅwꢈ ꢁꢈ Figure 18 ꢃꢆꢀ ꢊꢄꢅꢂꢀꢆ ꢉꢅ ꢉhꢅꢂꢀ ꢂhꢅwꢈ ꢁꢈ Figure 14, ꢉhꢃꢈ
ꢉhꢅꢂꢀ fꢆꢅꢋ Figure 16. thꢁꢂ ꢊꢅꢈfiꢆꢋꢂ ꢉhꢀ dꢃꢉꢃ ꢂhꢅwꢈ ꢁꢈ Figure 12, ꢃꢈd ꢉhꢀ pꢅꢂꢉuꢄꢃꢉꢁꢅꢈ ꢉhꢃꢉ ꢉhꢀ 3ꢆd lo hꢃꢆꢋꢅꢈꢁꢊ ꢁꢂ ꢃ
ꢌꢆꢀꢃꢉꢀꢆ ꢊꢅꢈꢉꢆꢁꢇuꢉꢅꢆ ꢉꢅ ꢋꢅduꢄꢃꢉꢅꢆ ꢂꢁdꢀꢇꢃꢈd ꢆꢀjꢀꢊꢉꢁꢅꢈ dꢀꢌꢆꢃdꢃꢉꢁꢅꢈ ꢉhꢃꢈ ꢉhꢀ 2ꢈd fꢅꢆ 1xlo ꢉypꢀ ꢋꢅduꢄꢃꢉꢅꢆꢂ/dꢀꢋꢅduꢄꢃꢉꢅꢆꢂ.
aꢈꢅꢉhꢀꢆ vꢃꢆꢁꢃꢇꢄꢀ ꢉhꢃꢉ ꢂhꢅuꢄd ꢇꢀ ꢊꢅꢈꢂꢁdꢀꢆꢀd ꢁꢂ ꢉhꢀ ꢁꢈꢂꢀꢆꢉꢁꢅꢈ ꢄꢅꢂꢂ ꢅf ꢉhꢀ Hmc1044lP3e whꢁꢊh ꢊꢃꢈ vꢃꢆy ~2.5 db ꢃꢊꢆꢅꢂꢂ
ꢉhꢀ pꢃꢂꢂ ꢇꢃꢈd ꢅf ꢉhꢀ ꢂꢀꢄꢀꢊꢉꢀd ꢇꢃꢈd ꢂꢀꢉꢉꢁꢈꢌ ꢃꢂ ꢂhꢅwꢈ ꢁꢈ Figure 1 ꢃꢈd Figure 2. thꢀ ꢂꢀꢄꢀꢊꢉꢀd Hmc1044lP3e ꢇꢃꢈd
ꢉhꢃꢉ ꢆꢀꢂuꢄꢉꢂ ꢁꢈ ꢅpꢉꢁꢋꢃꢄ ꢂꢁdꢀꢇꢃꢈd/ꢁꢋꢃꢌꢀ ꢆꢀjꢀꢊꢉꢁꢅꢈ pꢀꢆfꢅꢆꢋꢃꢈꢊꢀ ꢃꢄꢂꢅ dꢀpꢀꢈdꢂ ꢅꢈ ꢉhꢀ lo ꢁꢈpuꢉ pꢅwꢀꢆ ꢃꢉ ꢉhꢀ ꢋꢅduꢄꢃꢉꢅꢆ/
dꢀꢋꢅduꢄꢃꢉꢅꢆ, whꢁꢊh ꢁꢂ ꢂpꢀꢊꢁfiꢊ ꢉꢅ ꢀꢃꢊh ꢁꢈdꢁvꢁduꢃꢄ dꢀꢂꢁꢌꢈ. iꢉ dꢀpꢀꢈdꢂ ꢅꢈ ꢉhꢀ ꢅuꢉpuꢉ pꢅwꢀꢆ ꢅf ꢉhꢀ Pll wꢁꢉh ꢁꢈꢉꢀꢌꢆꢃꢉꢀd
Vco (ꢉhꢃꢉ ꢁꢂ uꢂꢀd ꢃꢂ ꢃꢈ lo) ꢃꢉ ꢀꢃꢊh fꢆꢀquꢀꢈꢊy, ꢁꢈꢂꢀꢆꢉꢁꢅꢈ ꢄꢅꢂꢂ ꢅf ꢉhꢀ Hmc1044lP3e ꢃꢉ ꢉhꢀ ꢂꢀꢄꢀꢊꢉꢀd ꢇꢃꢈd ꢂꢀꢉꢉꢁꢈꢌ, lo
fꢆꢀquꢀꢈꢊy, ꢃꢈd ꢉhꢀ ꢆꢀquꢁꢆꢀd ꢋꢅduꢄꢃꢉꢅꢆ/dꢀꢋꢅduꢄꢃꢉꢅꢆ lo ꢁꢈpuꢉ pꢅwꢀꢆ. thꢀ hꢃꢆꢋꢅꢈꢁꢊ ꢃꢉꢉꢀꢈuꢃꢉꢁꢅꢈ ꢃꢈd ꢂꢁdꢀꢇꢃꢈd ꢆꢀjꢀꢊꢉꢁꢅꢈ
ꢌꢆꢃphꢂ ꢁꢈ ꢉhꢁꢂ ꢂꢀꢊꢉꢁꢅꢈ wꢀꢆꢀ ꢌꢀꢈꢀꢆꢃꢉꢀd ꢇy ꢋꢃꢁꢈꢉꢃꢁꢈꢁꢈꢌ ꢉhꢀ ꢋꢁꢈꢁꢋuꢋ lo ꢁꢈpuꢉ pꢅwꢀꢆ ꢁꢈꢉꢅ ꢉhꢀ HMC697LP4E ꢃꢉ ≥ -3 dbꢋ
ꢃꢊꢆꢅꢂꢂ ꢃꢄꢄ fꢆꢀquꢀꢈꢊꢁꢀꢂ, whꢁꢊh fꢃꢄꢄꢂ wꢀꢄꢄ ꢁꢈꢉꢅ ꢉhꢀ ꢆꢀquꢁꢆꢀd lo ꢁꢈpuꢉ pꢅwꢀꢆ ꢂpꢀꢊꢁfꢁꢊꢃꢉꢁꢅꢈ ꢁꢈ ꢉhꢀ HMC697LP4E dꢃꢉꢃ ꢂhꢀꢀꢉ
ꢅf ꢌꢆꢀꢃꢉꢀꢆ ꢉhꢃꢈ -6 dbꢋ ꢃꢈd ꢄꢀꢂꢂ ꢉhꢃꢈ 6 dbꢋ.
Fꢅꢆ ꢃppꢄꢁꢊꢃꢉꢁꢅꢈꢂ ꢉhꢃꢉ ꢆꢀquꢁꢆꢀ ꢃ fꢄꢃꢉ ꢅuꢉpuꢉ pꢅwꢀꢆ ꢆꢀꢂpꢅꢈꢂꢀ, ꢅvꢀꢆ ꢃ wꢁdꢀ ꢇꢃꢈdwꢁdꢉh, ꢁꢉ ꢂhꢅuꢄd ꢇꢀ ꢈꢅꢉꢀd ꢉhꢃꢉ ꢁꢉ ꢁꢂ
pꢅꢂꢂꢁꢇꢄꢀ ꢉꢅ ꢇuꢁꢄd ꢃ ꢄꢅw hꢃꢆꢋꢅꢈꢁꢊ ꢂꢅuꢆꢊꢀ wꢁꢉh fꢄꢃꢉ ꢅuꢉpuꢉ pꢅwꢀꢆ ꢅvꢀꢆ ꢃ wꢁdꢀꢇꢃꢈd uꢂꢁꢈꢌ ꢃ ꢄꢀvꢀꢄꢁꢈꢌ ꢄꢅꢅp ꢇꢃꢂꢀd upꢅꢈ ꢉhꢀ
HMC830LP6GE wꢁdꢀꢇꢃꢈd Pll wꢁꢉh ꢁꢈꢉꢀꢌꢆꢃꢉꢀd Vco, ꢉhꢀ Hmc1044lP3e vꢃꢆꢁꢃꢇꢄꢀ lPF, ꢃꢈd ꢉhꢀ HMC993LP5E agc.
[3] mꢀꢃꢂuꢆꢀd wꢁꢉh Hmc830lP6ge ꢃꢂ ꢃꢈ lo ꢃꢈd Hmc697lP4e ꢋꢅduꢄꢃꢉꢅꢆ. thꢀ Hmc830lP6ge wꢃꢂ uꢂꢀd ꢁꢈ ꢂꢁꢈꢌꢄꢀ-ꢀꢈdꢀd ꢅuꢉpuꢉ ꢊꢅꢈfiꢌuꢆꢃꢉꢁꢅꢈ.
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