Preliminary
RF2322
• Broadband Gain Blocks
• Final PA for Low-Power Applications
• IF or RF Buffer Amplifiers
• Driver Stage for Power Amplifiers
• Oscillator Loop Amplifiers
The RF2322 is a general purpose, low-cost silicon ampli-
fier designed for operation from a 3V supply. The circuit
configuration with resistive feedback allows for broad-
band cascadable amplification. Capacitive compensation
extends the bandwidth of the amplifier and input stage
design optimizes noise figure. The device is uncondition-
ally stable and internally matched to 50Ω. The only exter-
nal components required for specified performance are
bypass and DC blocking capacitors (as shown in applica-
tion schematic). The RF2322 is available in a very small
industry-standard SOT-23 5-lead surface mount package,
enabling compact designs which conserve board space.
.071
.059
.020
.014
.122
.106
1
4
.004
.000
.083
.067
.118
.102
.051
.039
.008 MIN
.010
.004
Si BJT
!" #
GaAs HBT
SiGe HBT
GaAs MESFET
Si CMOS
Si Bi-CMOS
• DC to >2000MHz Operation
• 2.7V to 3.3V Single Supply
• +3dBm Output IP3
• 19dB Gain at 900MHz
• 12dB Gain at 1900MHz
• High Isolation (38dB at 900MHz)
GND 1
GND 2
RF IN 3
5 RF OUT
4 VCC
RF2322
RF2322 PCBA
3V General Purpose Amplifier
Fully Assembled Evaluation Board
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Rev A2 990111
4-99
GENERAL PURPOSE
AMPLIFIERS
RFMD [ RF MICRO DEVICES ]
