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RF2376 Schematic ( PDF Datasheet ) - RF Micro Devices

Teilenummer RF2376
Beschreibung CELLULAR TDMA/CDMA LINEAR VARIABLE GAIN AMPLIFIER
Hersteller RF Micro Devices
Logo RF Micro Devices Logo 




Gesamt 8 Seiten
RF2376 Datasheet, Funktion
Preliminary
4
Typical Applications
• CDMA Cellular Handsets
RF2376
CELLULAR TDMA/CDMA LINEAR
VARIABLE GAIN AMPLIFIER
• TDMA Cellular Handsets
Product Description
The RF2376 is a linear variable gain amplifier suitable for
use in TDMA and CDMA systems in the cellular band.
The features of this device include linear gain control,
high gain, and low noise figure. The IC is manufactured
on an advanced Gallium Arsenide Heterojunction Bipolar
Transistor (GaAs HBT) process and is featured in an
industry-standard miniature 6-lead plastic SOT package.
1.90
1.80
1.40
.50
.35
3.10
2.70
.10 MAX
3.00
2.60
.90
.70
1.30
1.00
.25
.10
.37 MIN.
All dimensions in mm.
*When Pin 1 is in
upper left, text
reads downward
(as shown).
4
Optimum Technology Matching® Applied
Si BJT
üGaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
RF OUT 1
GND 2
GC 3
ATTEN
6 VCC
5 GND
4 RF IN
Functional Block Diagram
Rev A2 010829
Package Style: SOT23-6
Features
• 50dB Linear Gain Control Range
• 27dB Maximum Gain
• Single 2.7V to 3.3V Supply
• 30mA Supply Current
• High Linearity
• 7dB Noise Figure
Ordering Information
RF2376
Cellular TDMA/CDMA Linear Variable Gain Amplifier
RF2376 PCBA 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
4-43






RF2376 Datasheet, Funktion
RF2376
Gain versus VGC (CDMA)
40.0 (Frequency 836MHz @ -18dBm, VCC=3.0V, VGC=2.0V to 0.0V)
Gain[dB]@-40C
30.0 Gain[dB]@+25C
Gain[dB]@+85C
20.0
10.0
0.0
-10.0
4
-20.0
-30.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
VGC (V)
VSWR versus VGC @ Room Temperature
4.5 (Frequency 836MHz, VCC=3.0V, VGC=2.0V to 0.1V)
RF INPUT PORT [S11]
4.0
RF OUTPUT PORT [S22]
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
VGC (V)
Alternate Channel Power versus VGC (CDMA)
0.0 (Frequency 836MHz @ -18dBm, VCC=3.0V, VGC=2.0V to 0.0V)
-10.0
Altr.Ch.Power[dBc]@-40C
Altr.Ch.Power[dBc]@+25C
-20.0
Altr.Ch.Power[dBc]@+85C
-30.0
-40.0
-50.0
-60.0
-70.0
-80.0
-90.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
VGC (V)
4-48
Preliminary
Noise Figure versus VGC @ Room Temperature
30.0 (Frequency 836MHz, VCC=3.0V, VGC=2.0V to 0.5V)
NF [dB]
25.0
20.0
15.0
10.0
5.0
0.0
0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
VGC (V)
ACPR versus VGC (CDMA)
0.0 (Frequency 836MHz @ -18dBm, VCC=3.0V, VGC=2.0V to 0.0V)
-10.0
ACPR[dBc]@-40C
ACPR[dBc]@+25C
ACPR[dBc]@+85C
-20.0
-30.0
-40.0
-50.0
-60.0
-70.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
VGC (V)
Gain versus VGC (Single Tone Test)
(RF
40.0
Frequency
836MHz
@
-17dBm,
VCC=3.0V,
VGC=2.0V
to
0.0V)
Gain [dB] @ -40C
30.0 Gain [dB] @ +25C
Gain [dB] @ +85C
20.0
10.0
0.0
-10.0
-20.0
-30.0
-40.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
VGC (V)
Rev A2 010829

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