FREQUENCY TUNING OF BIPOLAR RING OSCILLATORS USING COMPLEMENTARY INVERTERS AND CURRENT MIRROR INVERTERS

被引:0
|
作者
PAL, RR [1 ]
KAL, S [1 ]
CHAKRABARTI, NB [1 ]
机构
[1] INDIAN INST TECHNOL,DEPT ELECTR & ELECT COMMUN ENGN,KHARAGPUR 721302,W BENGAL,INDIA
关键词
RING OSCILLATOR; VCO; CCO; PLL;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Complementary bipolar devices are extensively used in analog/digital VLSI circuits. Three inverters, namely, Complementary Inverters (CI), Complementary Current Mirror Inverters (CCMI) and Diode Loaded Complementary Inverters (DLCI) which appear to be attractive for realization of ring oscillators have been simulated. Ring oscillators have been made using different combinations of high gain CI and large bandwidth CCMI. Various techniques of frequency tuning of such oscillators have been studied and the results presented. A PLL circuit has been implemented using a current controlled ring oscillator.
引用
收藏
页码:75 / 83
页数:9
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