ATR2807_05 Datasheet, PDF (1/3 Pages) ATMEL Corporation – 3.3 GHz LO + PLL-chip

Features
• Local Oscillator Output Power: –6 dBm at 3.3 GHz
• Supply-voltage Range 3V to 4.6V
• 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
Summary
1. 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 1-1. Block Diagram
REG SET VS
VREG CTRL REG REG
VS VS VS VS
PLL CP VCO PA
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
Rev. 4691HS–DECT–10/05
Note: This is a summary document. A complete document
is available under NDA. For more information, please con-
tact your local Atmel sales office.