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參數(shù)資料
| 型號： | IMICT266DZB |
| 英文描述： | Voltage-Controlled Oscillator |
| 中文描述： | 壓控振蕩器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 52K |
| 代理商： | IMICT266DZB |
CT266
Universal VCO/Buffer for CT0 Designs
Approved Product
International Microcircuits,Inc.
525 Los Coches St., Milpitas, 95035 408-263-6300, FAX 408-263-6571
http:/www.imicorp.com
5/17/2000
Rev. 2.0
Page 1 of 6
Features
Wide range VCO (>70 MHz) for all CT0 designs
Highly efficient on-chip buffer amplifier
Real standby VCO with zero chip current
consumption
Transmit power cut-off for out-of-lock condition
2.0V to 5V working voltage supply
Low current consumption
Excellent frequency stability vs. VDD.
8 pin narrow SOIC package
Applications
This versatile VCO circuit with buffer chip can be used
in general PLL frequency synthesizer applications such
as: Cordless phone, CATV, AM/FM Radio, TV tuning,
Satellite Receiver, and other telecommunication
designs.
Product Description
The IMICT266 is extremely versatile for worldwide CT-0 cordless phone applications in matching all present associated
PLL frequency synthesizer product designs. The VCO circuit provides a very easy way to build the particular high quality
VCO (see application Figure 2). The on-chip highly efficient buffer amplifier will provide enough power to antenna or final
power amplifier. This output is normally connected with a fixed low pass filter to remove unwanted harmonics. The
VCO stand-by function stops all power consumption of the chip and buffer amplifier transmit power cut-off feature
provides design choice to lock detection for monitoring transmitted power at out-of-lock condition of phase-locked loop
(PLL) frequency synthesizer. This chip is designed at IMI using special CMOS processing technology that provides wide
working supply voltage and low current consumption advantages.
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