ATR2807 Datasheet, PDF (1/3 Pages) ATMEL Corporation – 3.3GHz LO + PLL-CHIP

Features
• 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
• Extended Battery Operating Time
• Low Current Consumption
• Very Small QFN32 5 mm × 5 mm Package
• Few Low Cost External Components
Electrostatic sensitive device.
Observe precautions for handling.
3.3 GHz
LO + PLL-chip
ATR2807
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
LO OUT 1
PA
LO OUT 2
REG
VCO
PLL
CTRL
LOGIC
PU REG
PU PA
PU VCO
PU PLL
OLE
SW_CLK
GND GND
PA VCO
VTUNE
GND CP GND CLK
PLL
CP
Table 1. Functional Block Description
Name
Description
REG
Voltage regulator
CP
Charge pump
PLL
Phase locked loop
PA
Buffer amplifiers for LO_OUT
VCO
Voltage-controlled oscillator
Rev. 4691GS–DECT–08/04
Note: This is a summary document. A complete document
is available under NDA. For more information, please con-
tact your local Atmel sales office.