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PDF RF3806 Data sheet ( Hoja de datos )
| Número de pieza | RF3806 | |
| Descripción | GaAs HBT PRE-DRIVER AMPLIFIER | |
| Fabricantes | RF Micro Devices | |
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RF3806GaAs
HBT Pre-Driver
Amplifier
h
RF3806
GaAs HBT PRE-DRIVER AMPLIFIER
RoHS Compliant & Pb-Free Product
Package Style: AlN
3
Features
4W Output Power
High Linearity
1500MHz to 2200MHz Oper-
ation
5V to 8V Supply with Adjust-
able Bias
Applications
GaAs HBT Linear Amplifier
Power Amplifier Stage for
Commercial Wireless Infra-
structure (DCS, PCS, UMTS)
VCC1 1
VREF 2
RF IN 3
V_BIAS 4
Bias
Circuit
PACKAGE BASE
GND
8 RF OUT/VCC2
7 RF OUT/VCC2
6 RF OUT/VCC2
5 RF OUT/VCC2
Functional Block Diagram
Product Description
The RF3806 is a GaAs power amplifier, specifically designed for linear
applications. Using a highly reliable GaAs HBT fabrication process, this
high-performance two-stage amplifier achieves high output power over a
broad frequency range. An evaluation board is available to address
UMTS2100 applications.
Ordering Information
RF3806
GaAs HBT Pre-Driver Amplifier
RF3806PCK-415 Fully Assembled Evaluation Board - UMTS2100
Optimum Technology Matching® Applied
9GaAs HBT
SiGe BiCMOS
GaAs pHEMT
GaN HEMT
GaAs MESFET
Si BiCMOS
Si CMOS
InGaP HBT
SiGe HBT
Si BJT
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.
Rev A3 DS070509
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
3-113
1 page  
RF3806
Application Schematic - DCS/PHS/PCS
1800MHz to 2025MHz
Low Power Linear Operation
+
0.1 μF 10 μF
10 pF
0Ω
10 pF 1000 pF 0.1 μF
+
10 μF
VCC
VREF
10 pF
+
1000 pF 0.1 μF 10 μF
270 Ω
24 nH
270 Ω 270 Ω 270 Ω
6.8 nH 1000 pF
RF IN
10 pF
Open
Open
5.6 pF
*
1
2
3
4
Bias
Circuit
1000 pF 0.1 μF
10 pF
+
10 μF
8
L2
7 24 nH 7.5 pF
5.6 pF
RF OUT
6
3.3 pF
Open
Open
Open
Open
Open
Open
Open
5
VBIAS
10 pF
0.1 μF 1000 pF
10 μF+
* PHS/PCS: 1.8 pF
DCS: 2.4 pF
This schematic for low power linear operation:
21dBm<POUT<27dBm, 5V<VCC<8V. Bias R seen above for 8V and 60mA IREF. See biasing table for setting resistance at
other supply voltages.
Application Schematic - DCS/PCS
1800MHz to 1990MHz
High Power Operation
C33 + C34
0.1 μF 10 μF
C35
10 pF
R10
0Ω
VREF
C38
10 pF
C39 C41 + C40
1000 pF 0.1 μF 10 μF
R4
390 Ω
R5
390 Ω
R7
430 Ω
R8
430 Ω
L4
24 nH
C27
Open
RF IN
50 Ω μstrip
C18
Open
C28
5.1 pF
C19
Open
C20
1.5 pF
C30
5.1 pF
1
2
3
4
Bias
Circuit
C48 C40
10 pF 1000 pF
C51
0.1 μF
C50 +
10 μF
VCC
C5
1000 pF
C11
0.1 μF
C7
10 pF
C8 +
10 μF
8
L2
7 24 nH
C13
6.8 pF
C14
2.7 pF
50 Ω μstrip
RF OUT
6 C29 C12 C15
C8 C9
C10 C18
2.4 pF
Open 0.5 pF
1 pF
Open
Open
Open
5
VBIAS
C49
10 pF
C48 C44
0.1 μF 1000 pF
C45 +
10 μF
This schematic for high power operation:
POUT>27dBm, 5V<VCC<8V. Bias R seen above for 8V and 41mA IREF. See biasing table for setting resistance at other supply
voltages.
3
Rev A3 DS070509
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
3-117
5 Page 
RF3806
-41.0
-42.0
-43.0
-44.0
-45.0
-46.0
-47.0
-48.0
-49.0
-50.0
-51.0
-52.0
-53.0
-54.0
-55.0
-56.0
-57.0
-58.0
-59.0
-60.0
-61.0
21.0
W-CDMA ACP versus POUT versus Temperature
Signal=W-CDMA Test Model I 64 DPCH PAR=10.3dB @ 0.01%
IREF=60mA VCC=5V (Data taken on UMTS Evaluation Board)
25C 2110 MHz 5 V
25C 2170 MHz 5 V
85C 2110 MHz 5 V
85 C 2170 MHz 5 V
-40 C 2110 MHz 5 V
-40 C 2170 MHz 5 V
21.5 22.0 22.5 23.0 23.5 24.0 24.5 25.0
POUT (dBm)
OIP3 versus POUT versus Freq versus VCC - PCS Band
(Data taken on Eval Board configured as per DCS/PHS/PCS Application Schematic for Low
55.0
Power Linear Operation)
54.0
53.0
52.0
51.0
50.0
Vcc = 8 V 1930 MHz
49.0
Vcc = 8 V 1960 MHz
Vcc = 8 V 1990 MHz
Vcc = 6 V 1930 MHz
Vcc = 6 V 1960 MHz
48.0
Vcc = 6 V 1990 MHz
Vcc = 5 V 1930 MHz
Vcc = 5 V 1960 MHz
Vcc = 5 V 1990 MHz
47.0
19.0 20.0 21.0 22.0 23.0 24.0
P_Tone (dBm)
OP1dB versus VCC versus Freq - PCS Band
(Data taken on Eval Board configured as per DCS/PHS/PCS Application Schematic for Low
37.5
Power Linear Operation)
37.0
36.5
36.0
35.5
35.0
34.5
Vcc = 8 V
34.0 Vcc = 6 V
Vcc = 5 V
33.5
33.0
1920.0
1930.0
1940.0
1950.0 1960.0 1970.0
Frequency (MHz)
1980.0
1990.0
2000.0
Small Signal Gain - PCS Band
(Data taken on Eval Board configured as per DCS/PHS/PCS Application Schematic for Low
20.0
Power Linear Operation)
19.5
19.0
18.5
18.0
17.5
17.0
16.5
16.0
15.5
15.0
1920.0
1930.0
1940.0
1950.0 1960.0 1970.0
Frequency (MHz)
1980.0
Vcc = 8 V
Vcc = 6 V
Vcc = 5 V
1990.0 2000.0
55.0
OIP3 versus Frequency versus VCC, at 10dB Back-off from OP1dB PCS Band
(Data taken on Eval Board Configured as per DCS/PHS/PCS Application Schematic for Low Power
Linear Operation.)
54.0
53.0
52.0
51.0
50.0
49.0
48.0
47.0
1920.0
1930.0
1940.0
1950.0 1960.0 1970.0
Frequency (MHz)
1980.0
Vcc = 8 V
Vcc = 6 V
Vcc = 5 V
1990.0 2000.0
CDMA2K ACP versus POUT versus Temperature, Signal=CDMA2K 9 Channel SR1 PAR=8.5dB
@ 0.01% IREF=60mA VCC=8V (Data taken on Eval Board configured as per DCS/PHS/PCS Application
-50.0
Schematic for low power linear operation)
-52.0
-54.0
-56.0
-58.0
-60.0
-62.0
-64.0
-66.0
-68.0
-70.0
-72.0
-74.0
-76.0
-78.0
25 C 1930 MHz 8 V
25 C 1990 MHz 8 V
85 C 1930 MHz 8 V
85 C 1990 MHz 8 V
-40 C 1930 MHz 8 V
-40 C 1990 MHz 8 V
-80.0
22.0 22.5 23.0 23.5 24.0 24.5 25.0 25.5 26.0 26.5 27.0 27.5 28.0
POUT (dBm)
3
Rev A3 DS070509
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
3-123
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet RF3806.PDF ] | |
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