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ATR2807 Datasheet

  • ATR2807

  • 3.3GHz LO + PLL-CHIP

  • 3頁

  • ATMEL   ATMEL

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Features
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Local Oscillator Output Power: -6 dBm at 3.3 GHz
Supply-voltage Range 3 V to 4.6 V
Fast Settling Synthesizer
Supports Multiple Reference Clocks (10.368 MHz/13.824 MHz)
Benefits
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Extended Battery Operating Time
Low Current Consumption
Very Small QFN32 5 mm
脳
5 mm Package
Few Low Cost External Components
3.3 GHz
LO + PLL-chip
ATR2807
Electrostatic sensitive device.
Observe precautions for handling.
Description
The ATR2807 is an RF building block. It is used as a 3.344 GHz output frequency local
oscillator. The QFN32-packaged IC includes an LO buffer, synthesizer together with
fully integrated VCO and supply voltage regulators.
Figure 1.
Block Diagram
REG SET VS
VREG CTRL REG REG
VS VS VS VS
PLL CP VCO PA
Summary
Preliminary
REG
CTRL
LOGIC
PU REG
PU PA
PU VCO
PU PLL
OLE
SW_CLK
LO OUT 1
LO OUT 2
PA
VCO
PLL
GND GND
PA VCO
VTUNE
GND CP GND CLK
CP
PLL
Table 1.
Functional Block Description
Name
REG
CP
PLL
PA
VCO
Description
Voltage regulator
Charge pump
Phase locked loop
Buffer amplifiers for LO_OUT
Voltage-controlled oscillator
Rev. 4691GS鈥揇ECT鈥?8/04
Note: This is a summary document. A complete document
is available under NDA. For more information, please con-
tact your local Atmel sales office.

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