Page 1
RF2366
4
Typical Applications
• CDMA PCS Bypass LNA
• CDMA PCS Bypass Driver
Amplifier
Product Description
The RF2366 is a switchable low noise amplifier with a
very high dynamic range designed for digital cellular
applications.The device functions as an outstanding front
end low noise amplifier. When used as an LNA, the bias
current can be set externally. When used as a PA driver,
the IC can operatedirectlyfrom a single cell Li-ion battery
and includes a power down feature that can be used to
completely turn off the device. The IC is featured in a
standard SOT 6-lead plastic package.
3V LOW NOISE AMPLIFIER/
3V PA DRIVER AMPLIFIER
• General Purpose Amplification
• Commercial and Consumer Systems
1.80
1.90
9°
1°
All dimensions in mm.
1.40
*
3.00
2.60
TEXT
0.50
0.35
3.10
2.70
0.25
0.10
0.37 MIN.
*When Pin 1 is in
upper left, text
reads downward
(as shown).
1.30
1.00
0.10 MAX.
0.90
0.70
4
AMPLIFIERS
GENERAL PURPOSE
Optimum Technology Matching® Applied
Si BJT GaAs MESFETGaAs HBT
Si Bi-CMOS
ü
SiGe HBT
1VREF/PD SELECT6
2GND1
3RF IN 4RFOUT
Logic
Control
Si CMOS
5 GND2
Functional Block Diagram
Package Style: SOT 6-Lead
Features
• Low Noise and High Intercept Point
• Adjustable Bias Current
• Power Down Control
• Single 2.5 V to 6.0V Power Supply
• 1000MHz to 2500MHz Operation
• Meets IS-98B Single-Tone and IMD
Ordering Information
RF2366 3V Low Noise Amplifier/ 3V PA Driver Amplifier)
RF2366 PCBA-PCS Fully Assembled E valuation Board (LNA)
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro,NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Rev A6 010816
4-183
Page 2
RF2366
Absolute Maximum Ratings
Parameter Rating Unit
Supply Voltage -0.5 to +8.0 V
Input RF Level +10 dBm
Operating Ambient Temperature -40 to +85 °C
Storage Temperature -40 to +150 °C
DC
Caution! ESD sensitive device.
RF Micro Devices believes thefurnished 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).
4
Parameter
Min. Typ. Max.
Overall
PCS Low Noise Amplifier
Frequency Range 1930 to 1990 MHz
HIGH GAIN MODE Gain Select<0.8V, V
Gain 10 12.5 dB
Noise Figure 1.4 1.8 dB
IIP3 9 14 dBm
Current Drain 6.5 mA
Input VSWR 1.8:1
AMPLIFIERS
GENERAL PURPOSE
Output VSWR 1.6:1
BYPASS MODE Gain Select>1.8V, V
Gain -4.0 -2.5 dB
IIP3 18.5 dBm
Input VSWR 1.8:1 3:1
Output VSWR 1.8:1 2.5:1
Current Drain 0.85 mA
PCS CDMA Driver
Frequency 1850 to 1910 MHz
HIGH GAIN MODE Gain Select<0.8V, VPD/V
Gain 12 dB
Noise Figure 1.6 dB
Output Power 4 dBm
ACPR1 -60 dBc/30kHz P
Input VSWR 1.9:1
Output VSWR 1.6:1
Current Drain 6.5 mA
BYPASS MODE Gain Select>1.8V, V
Gain -3 dB
IIP3 17 dBm
Input VSWR 2:1
Output VSWR 1.5:1
Current Drain 0.85 mA
Specification
Unit Condition
T
=25°C, VCC=3.0V
AMB
RF=1930MHz to 1990MHz
PD/VREF
PD/VREF
RF=1850MHz to 1910MHz
REF
=+4dBm, +1.25MHz offset
OUT
PD/VREF
=3V
=0V
=3V
=0V
Power Supply
Voltage (VCC)3V
V
V
Power Down 10 µA Gain Select<0.8V, V
Low 0.8 V High Gain mode.
SELECT
High 1.8 V Low Gain mode.
SELECT
Select<0.8V,V
Select>1.8V,V
PD/VREF
PD/VREF
PD/VREF
=3V
=0V
=0V,VCC=0V
4-184
Rev A6 010816
Page 3
Bypass Possibility
Gain Select
>1.8V 0V 3V 0.85mA Recommended Bypass Mode
>1.8V 3V 3V 2mA Alternative Bypass Mode
V
PD/VREF
RF2366
V
CC
Current Comments
4
AMPLIFIERS
GENERAL PURPOSE
Rev A6 010816
4-185
Page 4
RF2366
R
Pin Function Description Interface Schematic
1VREF/PD
For low noise amplifier applications, this pin is used to control the bias
current. An external resistor can be used to set the bias current for any
voltage.
V
PD
VREF/PD
4
2 GND1
3RFIN
4RFOUT
AMPLIFIERS
GENERAL PURPOSE
5 GND2
6 SELECT
Ground connection. For best performance, keep traces physically shor t
and connect immediately to ground plane.
RF input pin.
Amplifier output pin. This pin is an open-collector output. It must be
biased toV
cally matched to 50Ω with a shunt bias/matching inductor and series
blocking/matching capacitor. Refer to application schematics.
LNA emittance inductance. Total inductance is comprised of
package+bondwire+stripline (L1) on PCB.
This pin selects high gain and bypass.
Select <
Select >
through a choke or matching inductor. This pin is typi-
CC
0.8V, high gain.
1.8V, low gain.
RF IN
To Bias
Circuit
FOUT
4-186
Rev A6 010816
Page 5
Application Schemati c
S
R
S
R
PCS Low Noise Amplifier ~1950MHz
RF2366
VREF/PD
J1
RF IN
VREF/PD
J1
RF IN
50Ωµstrip
50Ωµstrip
R1
1.3 k
C2
0.1
C6
33 nF
Ω
1 6
µ
F
2
3
Logic
Control
C1
0.1
µ
F
L1
Minimum Length Stripline
5
1.5 pF
4
R2
8.2 k
L2
3.3 nH
Ω
C3
C5
10 nF
Application Schemati c
PCS Driver Amplifier ~1880MHz
R1
1.3 k
C2
0.1
C6
33 nF
Ω
1 6
µ
F
2
3
Logic
Control
C1
0.1
µ
F
L1
Minimum Length Stripline
5
1.5 pF
4
R2
8.2 k
L2
3.3 nH
Ω
C3
C5
10 nF
50Ωµstrip
C4
100 pF
50Ωµstrip
C4
100 pF
ELECT
J2
FOUT
VCC
ELECT
J2
FOUT
VCC
4
AMPLIFIERS
GENERAL PURPOSE
Rev A6 010816
4-187
Page 6
RF2366
S
R
Evaluation Board Schema t ic - PCS LNA
4
P1
VREF
J1
RF IN
1
2
3
CON3
GND
0.1
50Ωµstrip
C2
µ
P1-1 VCC
P1-3 NC
AMPLIFIERS
GENERAL PURPOSE
P2
P2-1 VREF
P2-3 SELECT
1
2
GND
3
CON3
R1
1.3 k
Ω
1 6
F
2
C6
33 nF
3
2366400A
Logic
Control
C1
0.1
µ
F
R2
8.2 k
10 nF
L1
1.5 pF
L2
3.3 nH
Ω
C5
100 pF
Minimum Length Stripline
5
4
C3
C4
50Ωµstrip
ELECT
J2
FOUT
VCC
4-188
Rev A6 010816
Page 7
Evaluation Board Layout - PCS
Board Size 1.0" x 1.0"
Board Thickness 0.031”, Board Material FR-4
Assembly Top Back
RF2366
4
AMPLIFIERS
GENERAL PURPOSE
Rev A6 010816
4-189
Page 8
RF2366
4
High Gain Mode Gain versus VCC,
12.9
12.9
12.8
12.8
12.7
12.7
Gain (dB)
12.6
12.6
12.5
12.5
AMPLIFIERS
GENERAL PURPOSE
16.0
15.5
15.0
14.5
14.0
IIP3 (dBm)
13.5
13.0
12.5
Gain, -30º
Gain, 25º
Gain, 85º
2.52.72.93.13.33.5
High Gain Mode IIP3 versus VCC,
PCS LNA
VCC(V)
PCS LNA
IIP3,-30º
IIP3, 25º
IIP3, 85º
2.0
1.8
1.6
1.4
1.2
1.0
NF (dB)
0.8
0.6
0.4
0.2
0.0
2.52.72.93.13.33.5
11.0
10.0
9.0
8.0
7.0
6.0
Total Current (mA)
5.0
4.0
3.0
High Gain Mode NF versus VCC,
PCS LNA
NF, -30º
NF, 25º
NF, 85º
VCC(V)
High Gain Mode Total Current versus VCC,
PCS LNA
I, -30º
I, 25º
I, 85º
Gain (dB)
4-190
12.0
2.52.72.93.13.33.5
VCC(V)
BYP Mode Gainversus VCC,
-1.4
-1.6
-1.8
-2.0
-2.2
-2.4
-2.6
-2.8
Gain, -30º
Gain, 25º
Gain, 85º
2.5 2.7 2.9 3.1 3.3 3.5
PCS LNA
VCC(V)
2.0
2.52.72.93.13.33.5
VCC(V)
BYPModeIIP3versusVCC,
23.0
22.0
21.0
20.0
19.0
18.0
IIP3 (dBm)
17.0
16.0
15.0
14.0
IIP3,-30º
IIP3,25º
IIP3,85º
2.52.72.93.13.33.5
PCS LNA
VCC(V)
Rev A6 010816
Page 9
RF2366
High Gain Mode Gain versus VCC,
12.20
12.00
11.80
11.60
Gain (dB)
11.40
11.20
11.00
2.5 2.7 2.9 3.1 3.3 3.5
PCS Driver
VCC(V)
BYP Mode Gainversus VCC,
-2.5
-2.6
-2.7
-2.8
Gain, -30º
Gain, 25º
Gain, 85º
PCS Driver
Gain, -30º
Gain, 25º
Gain, 85º
High Gain Mode NF versus VCC,
2.5
2.0
1.5
NF (dB)
1.0
0.5
0.0
2.52.72.93.13.33.5
PCS Driver
VCC(V)
NF, -30º
NF, 25º
NF, 85º
BYPModeIIP3versusVCC,
22.0
20.0
18.0
IIP3, -30º
IIP3, 25º
IIP3, 85º
PCS Driver
4
AMPLIFIERS
GENERAL PURPOSE
-2.9
Gain (dB)
-3.0
-3.1
-3.2
-3.3
2.5 2.7 2.9 3.1 3.3 3.5
VCC(V)
High Gain Mode Gain versus VCC,
12.20
12.00
11.80
11.60
Gain (dB)
11.40
11.20
PCS Driver
Gain, -30º
Gain, 25º
Gain, 85º
16.0
IIP3 (dBm)
14.0
12.0
10.0
2.52.72.93.13.33.5
VCC(V)
High Gain Mode NF versus VCC,
PCS Driver
NF, -30º
NF, 25º
NF, 85º
NF (dB)
2.5
2.0
1.5
1.0
0.5
11.00
2.5 2.7 2.9 3.1 3.3 3.5
Rev A6 010816
VCC(V)
0.0
2.52.72.93.13.33.5
VCC(V)
4-191
Page 10
RF2366
4
BYP Mode Gainversus VCC,
-2.5
Gain, -30º
Gain, 25º
-2.6
Gain, 85º
-2.7
-2.8
-2.9
Gain (dB)
-3.0
-3.1
-3.2
-3.3
2.5 2.7 2.9 3.1 3.3 3.5
PCS Driver
VCC(V)
22.0
20.0
18.0
16.0
IIP3 (dBm)
14.0
12.0
10.0
2.52.72.93.13.33.5
BYPModeIIP3versusVCC,
PCS Driver
IIP3, -30º
IIP3, 25º
IIP3, 85º
VCC(V)
AMPLIFIERS
GENERAL PURPOSE
4-192
Rev A6 010816
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