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RF2314

* Broadband Gain Blocks * Final PA for Low-Power Applications * IF or RF Buffer Amplifiers * Driver Stage for Power Amplifiers * Oscillator Loop Amplifiers

The RF2314 is a general purpose, low-cost, high performance amplifier designed for operation from a 2.7V to 6V supply with low current consumption. The circuit configuration with resistive feedback allows for broadband cascadable amplification. Feedback with capacitive compensation extends the bandwidth of the amplifier, and is designed for optimized noise figure. The device is unconditionally stable and internally matched to 50. No external components are required. The RF2314 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 Si Bi-CMOS
GaAs HBT
SiGe HBT
!" #
GaAs MESFET Si CMOS
* 150MHz to 2500MHz Operation * 2.7V to 6.0V Single Supply * +18dBm Output IP3 at 5V * 14dB Gain at 900MHz * 8.6dB Gain at 1900MHz * Low Current Consumption of 5mA at 3V
GND 1 GND 2 RF IN 3
5 RF OUT
4 VCC

RF2314 RF2314 PCBA General Purpose Low Noise 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 A3 990216
4-87
GENERAL PURPOSE AMPLIFIERS
RF2314
Absolute Maximum Ratings Parameter
Supply Voltage Supply Current Operating Ambient Temperature Storage Temperature
Rating
8.0 32 -40 to +85 -40 to +150
Unit
V mA C C Caution! ESD sensitive device.
RF Micro Devices believes the furnished information is correct and accurate at the time of this printing. However, RF Micro Devices reserves the right to make changes to its products without notice. RF Micro Devices does not assume responsibility for the use of the described product(s).
Parameter
Specification Min. Typ. Max.
150 to >2500
Unit
MHz
Condition
T=27 C, VCC =3.0V, Freq=900MHz NOTE: Lower frequencies can be obtained with inductive coupling. T=27 C, VCC =3.0V, Freq=900MHz Freq=150MHz Freq=1900MHz
4
GENERAL PURPOSE AMPLIFIERS
Overall
Frequency Range
3.0V Performance
Gain 12.9 16.6 7.9 1.4 +9.0 -1.0 10 17 20 14.2 19.1 8.6 1.5 +18.0 +8.0 13 28 20 2.7 to 6.0 5.7 12.5 dB dB dB dB dBm dBm dB dB dB dB dB dB dB dBm dBm dB dB dB V mA mA
Noise Figure Output IP3 Output P1dB Input Return Loss Output Return Loss Isolation
5.0V Performance
Gain
T=27 C, VCC =5.0V, Freq=900MHz Freq=150MHz Freq=1900MHz
Noise Figure Output IP3 Output P1dB Input Return Loss Output Return Loss Isolation
Power Supply
Operating Voltage Operating Current VCC =3.0V VCC =5.0V
4-88
Rev A3 990216
RF2314
Pin 1 2 3 Function GND GND RF IN Description
Ground connection. Keep traces physically short and connect immediately to ground plane for best performance. Same as pin 1. RF input pin. This pin is internally DC blocked and thus does not require an external blocking capacitor. The input impedance of this pin is internally matched to 50 using resistive feedback.
VCC
Interface Schematic
300 RF OUT RF IN
4 5
VCC RF OUT

1 2 RF IN 3
5
RF OUT
VCC 4

(Download Bill of Materials from www.rfmd.com.)
P1 P1-1 1 2 NC 3 1 2 RF IN J1 50 strip 3 4 C2 560 pF
+
VCC GND 231440050 strip 5 RF OUT J2
P1-1 C1 6.8 F
Rev A3 990216
4-89
GENERAL PURPOSE AMPLIFIERS
Supply connection. Generally, there is no need for an external bypass capacitor. RF output pin. The output impedance of this pin is internally matched to 50 using resistive feedback.
See pin 3 schematic. See pin 3 schematic.
4
RF2314

4
GENERAL PURPOSE AMPLIFIERS
4-90
Rev A3 990216

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