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參數(shù)資料
| 型號： | PT9120-QF28 |
| 廠商： | Princeton Technology Corporation |
| 英文描述： | GPS Receiver RF Front End IC |
| 中文描述： | GPS接收機(jī)射頻前端IC |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 575K |
| 代理商： | PT9120-QF28 |
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
DESCRIPTION
The PT9120 is a single chip Global Positioning System (GPS) receiver front-end IC requiring few
external components and offering extremely low power consumption. The PT9120 employs a
super-heterodyne receiver topology which down-converts the 1575.42MHz L1-band GPS signal to
a 1st IF. The 1st IF is then filtered by an off-chip L-C filter and subsequently sub-sampled by the
2-bit A/D converter to provide both sign and magnitude quantized CMOS level outputs to base band
inputs.
PT9120 PRE1.0
- 1 -
August, 2007
GPS Receiver RF Front End IC
Preliminary
PT9120
FEATURES
GPS L1-band (C/A code) receiver
Integrated LNA and antenna detector
Fully-monolithic VCO
Support for several reference frequencies
2-bit ADC output (sign and magnitude)
Extremely low current consumption (7mA at AVDD=TVDD=2.5V)
Multiple power-down modes
Available in 28 pins or 24 pins, QFN package
APPLICATION
GPS systems
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