STLC1511 Просмотр технического описания (PDF) - STMicroelectronics

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STLC1511

NorthenLite™ G.lite BiCMOS Analog Front-End Circuit

STMicroelectronics 

Figure 7. Typical CPE Oscillator Configuration

STLC1511

osc_outp

osc_outn

Lm

Rm

Cm

Co

AFE

VCAP

Ce

I

5v

OSCPE Cπ

OSCPB

2 .5 v

Cv

C m = 15fF

C ο=3.5pF

Rm=15Ω

OSCNB

OSCNE Cπ

I

Ce

Crystal M odel

Ce=180pF

C π=82pF

Cv=20pF

Rb=4kΩ

Rx=1M Ω

Figure 8. CPE Frequency vs. Tuning Voltage

CPE

DIGITAL

ASIC

C urre nt

O u tp ut

∆Σ

C lo ck

R eco v ery

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