12-9
12
Preliminary
Product Description
Ordering Information
Typical Applications
Features
Functional Block Diagram
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Optimum Technology Matching® Applied
Si BJT
GaAs MESFET
GaAs HBT
Si Bi-CMOS
ü
SiGe HBT
Si CMOS
8PD
7
VCC2
6
GND2
5
RF OUT
4
VTUNE
3
FDBK
2
GND1
1
VCC1
RF2506
VHF/UHF VCO/HIGH-ISOLATION
BUFFER AMPLIFIER
• Low Voltage
•Wireless LANs
• IF LO for 2.45GHz ISM Band Systems
• Wireless Local Loop
• Digital Cordless Phones
The RF2506 is an integrated oscillator and buffer ampli-
fier chain designed to achieve low sensitivity to fluctua-
tions in load impedance and power supply noise, while
maintaining superior phase noise performance. The IC
offers great flexibility, yet is easy to use. This product was
designed for use in applications with low supply voltages.
It has a power-down feature and is designed to operate
from 10MHz to 1000MHz with the help of an external res-
onator. Frequency control is achieved with an external
varactor diode. The IC’s ease of use, reduced load pull-
ing, small size, and low cost make it an ideal LO (Local
Oscillator) for wireless applications in the VHF/UHF
range. The RF2506 was designed to operate with the
2.4GHz chipset; specifically with the IF portion of the
RF2518 PLL/synthesizer.
• High-Isolation/Reduced Load Pulling
• Low Current Consumption
• -7dBm Output Power
• Digitally Controlled Power Down Mode
• 10MHz to 1GHz Operating Range
• Single 2.7V to 3.6V Supply
RF2506
VHF/UHF VCO/High-Isolation Buffer Amplifier
RF2506 PCBA
Fully Assembled Evaluation Board
12
Rev A1 000908
0.006
+ 0.003
0.034
6° MAX
0° MIN
0.021
+ 0.004
0.006
+ 0.002
NOTES:
1. Shaded lead is pin 1.
2. All dimensions are exclusive of flash,
protrusions or burrs.
3. Lead coplanarity: 0.002 with respect
to datum "A".
A
0.192
+ 0.008
0.0256
0.012
0.118
+ 0.004 sq.
Package Style: MSOP-8
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