Osilator Pierce

Osilator Pierce adalah salah satu jenis osilator elektronik yang ditemukan oleh George W. Pierce (1872-1956).^[1]^[2] Osilator Pierce merupakan turunan dari osilator Colpitts. Secara umum, sumber pewaktu (clock/timer) pada rangkaian elektronik digital adalah berjenis Pierce, karena rangkaian ini dapat dibuat dengan menggunakan komponen yang sedikit, misal inverter, resistor, kapasitor, dan kristal kuarsa. Biaya pembuatannya tergolong murah dan frekuensi yang dihasilkan cukup stabil.

Frekuensi resonansi

Rangkaian ekivalen osilator kristal secara umum menunjukkan ada dua kemungkinan keadaan resonansi, yaitu:

Resonansi deret

$f_{s}={\frac {1}{2\pi }}{\sqrt {\frac {1}{L_{s}\,C_{s}}}}$

Resonansi jajar

$f_{p}={\frac {1}{2\pi }}{\sqrt {{\frac {1}{L_{s}}}\left({\frac {1}{C_{s}}}+{\frac {1}{C_{p}}}\right)}}$

Namun karena $C_{p}\gg \,\!C_{s}$ , kedua frekuensi saling berdekatan sekali.

Lihat pula

Referensi

^ Pierce, George W. (October 1923), "Piezoelectric crystal resonators and crystal oscillators applied to the precision calibration of wavemeters", Proceedings of the American Academy of Arts and Sciences, 59 (4): 81–106
^ US 2133642, Pierce, George W., "Electrical System", dikeluarkan tanggal 18 October 1938

l b s Osilator
Osilator harmonik	Osilator Armstrong • Osilator Clapp • Osilator Colpitt • Osilator Hartley • Osilator Pierce/kristal • Osilator geseran-fasa • Osilator saluran-tunda • Osilator jembatan Wien • Osilator T • Osilator Vackar	Portal Elektronika
Osilator relaksasi	Osilator UJT • Osilator Sumbatan • Osilator 555 • Multivibrator takstabil	Portal Elektronika

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