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PDF RF3146PCBA Data sheet ( Hoja de datos )

Número de pieza RF3146PCBA
Descripción QUAD-BAND GSM850/GSM900/DCS/PCS POWER AMP MODULE
Fabricantes RF Micro Devices 
Logotipo RF Micro Devices Logotipo



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Preliminary
0
Typical Applications
• 3V Quad-Band GSM Handsets
• Commercial and Consumer Systems
• Portable Battery-Powered Equipment
RF3146
QUAD-BAND GSM850/GSM900/DCS/PCS
POWER AMP MODULE
• GSM850/EGSM900/DCS/PCS Products
• GPRS Class 12 Compatible
• Power StarTM Module
Product Description
The RF3146 is a high-power, high-efficiency power ampli-
fier module with integrated power control. The device is a
self-contained 7mmx7mmx0.9mm lead frame module
(LFM) with 50input and output terminals. The power
control function is also incorporated, eliminating the need
for directional couplers, detector diodes, power control
ASICs and other power control circuitry; this allows the
module to be driven directly from the DAC output. The
device is designed for use as the final RF amplifier in
GSM850, EGSM900, DCS and PCS handheld digital cel-
lular equipment and other applications in the 824MHz to
849MHz, 880MHz to 915MHz, 1710MHz to 1785MHz
and 1850MHz to 1910MHz bands. On-board power con-
trol provides over 50dB of control range with an analog
voltage input; and, power down with a logic “low” for
standby operation.
0.10 C A
-A-
7.00 TYP
2 PLCS
6.75 TYP
0.10 C B
2 PLCS
0.08 C
0.70
0.65
0.90
0.85
0.05
0.00
2 PLCS
0.10 C B
2 PLCS
0.10 C A
-B-
3.37 TYP
3.50 TYP
SEATING
-C- PLANE
Dimensions in mm.
0.10M C A B
00..6204TYP
0.30
0.18
0.50
00..6204TYP
Shaded lead is pin 1.
0.30
2.20
1.90
0.50
0.30
TYP
5.25
4.95
Optimum Technology Matching® Applied
Si BJT
9GaAs HBT
GaAs MESFET
Si Bi-CMOS
9SiGe HBT
Si CMOS
InGaP/HBT
GaN HEMT
SiGe Bi-CMOS
Package Style: LFM, 48-Pin, 7mm x7mmx0.9mm
Features
• Integrated VREG
• Complete Power Control Solution
• +35dBm GSM Output Power at 3.5V
DCS/PCS IN 37
BAND SELECT 40
TX ENABLE 41
VBATT 42
VBATT 43
Fully Integrated
Power Control Circuit
VRAMP 45
GSM IN 48
31 DCS/PCS OUT
6 GSM OUT
Functional Block Diagram
• +33dBm DCS/PCS Output Power at 3.5V
• 60% GSM and 55% DCS/PCS EFF
• 7mmx7mmx0.9mm Package Size
Ordering Information
RF3146
RF3146 SB
RF3146 PCBA
Quad-Band GSM850/GSM900/DCS/PCS Power
Amp Module
Power Amp Module 5-Piece Sample Pack
Fully Assembled Evaluation Board
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Rev A7 040812 W3
2-491

1 page




RF3146PCBA pdf
Preliminary
RF3146
Parameter
Overall (DCS Mode)
Operating Frequency Range
Maximum Output Power
Total Efficiency
Input Power Range
Output Noise Power
Forward Isolation 1
Forward Isolation 2
Second Harmonic
Third Harmonic
All Other
Non-Harmonic Spurious
Input Impedance
Input VSWR
Output Load VSWR Stability
Specification
Min.
Typ.
Max.
+32.0
30
45
0
8:1
1710 to 1785
52
+3
-85
-50
-25
-15
-20
50
+5
-80
-35
-15
-7
-15
-36
2.5:1
Output Load VSWR Ruggedness 10:1
Output Load Impedance
50
Power Control VRAMP
Power Control Range
50
Notes:
VRAMP MAX=0.4*VBATT+0.06 <1.5V
VRAMP_RP=VRAMP set for 32.0dBm at nominal conditions.
Unit
MHz
dBm
dBm
%
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
Condition
Temp=25°C, VBATT=3.5V,
VRAMP=VRAMP MAX, PIN =3dBm,
Freq=1710MHz to 1785MHz,
25% Duty Cycle, pulse width=1154µs
Temp=25°C, VBATT=3.5V,
VRAMP = VRAMP MAX
Temp=+85°C, VBATT=3.0V,
VRAMP=VRAMP MAX
At POUT MAX, VBATT=3.5V
Maximum output power guaranteed at mini-
mum drive level
RBW=100kHz, 1805MHz to 1880MHz,
POUT > 0dBm, VBATT=3.5V
TXEnable=Low, PIN=+5dBm
TXEnable=High, VRAMP=0.2V, PIN=+5dBm
VRAMP=0.2V to VRAMP_RP
VRAMP=0.2V to VRAMP_RP
VRAMP=0.2V to VRAMP MAX
VRAMP=0.2V to VRAMP MAX
Spurious<-36dBm, RBW=3MHz
Set VRAMP where POUT<32.0dBm into 50
load
Set VRAMP where POUT<32.0dBm into 50
load. No damage or permanent degradation
to part.
Load impedance presented at RF OUT pin
VRAMP=0.2V to VRAMP MAX, PIN=+5dBm
Rev A7 040812 W3
2-495

5 Page





RF3146PCBA arduino
Preliminary
RF3146
Evaluation Board Schematic
TX EN
R3
100 k
VRAMP
VBATT
VCC1
R2
100 k
BAND SEL
GSM850/
GSM900 IN
50 Ω µstrip
C9
1 nF
GSM850/
GSM900 OUT
50 Ω µstrip
R4
100 k
R1
15 k
C2
4.7 µF
C6
1 nF
VCC1: Internally supplied.
See Pin Function note.
50 Ω µstrip
48 47 46 45 44 43 42 41 40 39 38 37
1
From
VCC1
2
36
VCC
35
3 34
C4
DNP
DCS/PCS IN
C8
1 nF
4 33
5 32
50 Ω µstrip
6 31 DCS/PCS OUT
7 30
8 29
9 28
10 27
11 26
12 25
13 14 15 16 17 18 19 20 21 22 23 24
C13
100 pF
C10
10 nF
Rev A7 040812 W3
2-501

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