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Preliminary
RF3404
DUAL-BAND/TRI-MODE CDMA LOW NOISE AMPLIFIER/MIXER MODULE
8
Typical Applications
* CDMA Cellular/PCS Handsets
Product Description
CDMAIF+
0.5
VCC1
The RF3404 is a fully-functional, integrated dual-band downconverter module for tri-mode CDMA applications. The module, which uses SiGe technology, features two complete RF downconverters with low noise amplifiers, RF SAW filters, TX LO buffers, and RF matching for PCS and cellular band frequencies. Additionally, a divide-by-2 prescaler is integrated to allow the use of a single-band VCO. Multiple gain control options are available to conserve current and meet IS-98B specifications. The mixer design allows for a common IF filter for CDMA cellular and PCS operation, and a second output for the FM output. IF matching is external to the module.
0.6
22
21
BAND SEL VCC4
15
CDMAIF-
23
FM IF+
44
IF SEL
43
39
14
38
FM IFIP SET PCS LNA IN
1.0
12
DIV ENABLE CELL LNA IN
11
LO IN VCC3
48
ENABLE TX BUFFER ENABLE LNA GAIN
35
28
PCS LO OUT
29
CELL LO OUT
30
MIXER GAIN
34
9
VCC2
1
8
0.1
8
FRONT-ENDS
8.00 sq.
NOTE: Shaded area represents Pin 1. Note orientation of Pin 1.
Optimum Technology Matching(R) Applied
Si BJT Si Bi-CMOS
Package Style: 8mmx8mm Module
uSiGe HBT
High Band RF SAW Filter
GaAs HBT
GaAs MESFET Si CMOS
Features
* Complete Dual-Band Receiver Front End * Integrated RF SAW Filters * Internal RF Matching and Bias Settings * Stepped LNA/Mixer Gain Control
24 FM IF+
1960 MHz LNA PCS LNA IN 12
1960 MHz Mixer
22 CDMA IF+ 23 CDMA IF-
MIXER GAIN CNTRL 4
880 MHz Mixer
LNA GAIN CNTRL 31
CELL LNA IN 11 880 MHz LNA
Low Band RF SAW Filter
* Adjustable LNA Bias Current and IIP3 * Meets IS-98B Specifications
25 FM IF1 PCS LO OUT
DIV ENABLE 26 IF SEL 45 BAND SEL 44 IP SET 46 ENABLE 29 TX BUFFER 30 ENABLE
Note orientation of Pin 1. LOGIC CONTROL Divide 2
27 LO IN
Ordering Information
2 CELL LO OUT
RF3404 RF3404 PCBA
Dual-Band/Tri-Mode CDMA Low Noise Amplifier/ Mixer Module Fully Assembled Evaluation Board Tel (336) 664 1233 Fax (336) 664 0454 http://www.rfmd.com
Functional Block Diagram
RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA
Rev A1 010918
8-33
RF3404
Absolute Maximum Ratings Parameter
Supply Voltage Input LO and RF Levels Operating Ambient Temperature Storage Temperature
Preliminary
Rating
-0.5 to +5.0 +6 -30 to +85 -40 to +150
Unit
VDC dBm 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
Overall
RF Frequency Range IF Frequency Range LO Input Level
Specification Min. Typ. Max.
869 to 894 1930 to 1990 0.1 to 400 -7
Unit
MHz MHz MHz dBm
Condition
T = 25C, VCC =2.75V
-10
0
Cellular Band (CDMA)
LNA On
Gain 23.0 25.0 24.5 16.0 15.0 2.0 2.1 4.0 4.5 -9.0 -8.0 1.5 2.0 +10.0 2.5 dB dB dB dB dB dB dB dB dBm dBm dBm dBm dBm dB dB dB dB dBm dBm
RF Freq=869MHz to 894MHz LO Freq=1053MHz to 1078MHz LNA set for max IIP3; Mixer RF amp ON LNA set for Nominal IIP3; Mixer RF amp ON LNA set for max IIP3; Mixer RF amp OFF LNA set for Nominal IIP3; Mixer RF amp OFF LNA set for max IIP3; Mixer RF amp ON LNA set for Nominal IIP3; Mixer RF amp ON LNA set for max IIP3; Mixer RF amp OFF LNA set for Nominal IIP3; Mixer RF amp OFF LNA set for max IIP3; Mixer RF amp ON LNA set for Nominal IIP3; Mixer RF amp ON LNA set for max IIP3; Mixer RF amp OFF LNA set for Nominal IIP3; Mixer RF amp OFF LNA only, set for max IIP3 Mixer RF amp ON Mixer RF amp OFF Mixer RF amp ON Mixer RF amp OFF Mixer RF amp ON Mixer RF amp OFF
8
FRONT-ENDS
Noise Figure
Input IP3
LNA Off
Gain Noise Figure Input IP3 5 -3 15 22 +10.0 +20.0
8-34
Rev A1 010918
Preliminary
Parameter Cellular Band (FM)
LNA On
Gain 23.0 23.0 13.0 13.0 2.1 2.2 5.0 5.0 -8.0 -8.0 3.5 4.0 2.6 dB dB dB dB dB dB dB dB dBm dBm dBm dBm
RF3404
Specification Min. Typ. Max. Unit Condition
RF Freq=869MHz to 894MHz LO Freq=1053MHz to 1078MHz LNA set for max IIP3; Mixer RF amp ON LNA set for Nominal IIP3; Mixer RF amp ON LNA set for max IIP3; Mixer RF amp OFF LNA set for Nominal IIP3; Mixer RF amp OFF LNA set for max IIP3; Mixer RF amp ON LNA set for Nominal IIP3; Mixer RF amp ON LNA set for max IIP3; Mixer RF amp OFF LNA set for Nominal IIP3; Mixer RF amp OFF LNA set for max IIP3; Mixer RF amp ON LNA set for Nominal IIP3; Mixer RF amp ON LNA set for max IIP3; Mixer RF amp OFF LNA set for Nominal IIP3; Mixer RF amp OFF RF Freq=1930MHz to 1990MHz LO Freq=2114MHz to 2174MHz LNA set for max IIP3; Mixer RF amplifier ON LNA set for Nominal IIP3; Mixer RF amplifier ON LNA set for max IIP3; Mixer RF amp OFF LNA set for Nominal IIP3; Mixer RF amplifier OFF LNA set for max IIP3; Mixer RF amplifier ON LNA set for Nominal IIP3; Mixer RF amplifier ON LNA set for max IIP3; Mixer RF amp OFF LNA set for Nominal IIP3; Mixer RF amplifier OFF LNA set for max IIP3; Mixer RF amplifier ON LNA set for Nominal IIP3; Mixer RF amplifier ON LNA set for max IIP3; Mixer RF amp OFF LNA set for Nominal IIP3; Mixer RF amplifier OFF LNA only, set for max IIP3 Mixer RF amplifier ON Mixer RF amplifier OFF Mixer RF amplifier ON Mixer RF amplifier OFF Mixer RF amplifier ON Mixer RF amplifier OFF
Noise Figure
Input IP3
PCS Band
LNA On
Gain 23.0 25.0 24.0 16 15 Noise Figure 2.2 2.3 5.0 6.0 Input IP3 -12.0 -8.5 -7.5 2 1 +10.0 2.7 dB dB dB dB dB dB dB dB dBm dBm dBm dBm dBm dB dB dB dB dBm dBm
8
FRONT-ENDS
LNA Off
Gain Noise Figure Input IP3 5 -4 15 22 +10.0 +20.0
Rev A1 010918
8-35
RF3404
Parameter
Isolation (PCS, Cellular CDMA, Cellular FM)
LO to IF Isolation LO to RF Isolation LO Output to LO Input Isolation RF to LO Input Isolation RF to LO Output Isolation IF to RF Isolation Transmit Band Rejection 15 35 30 20 30 40 20 2.7 1.8 2.75 3.0 0.4 7 5 0 16 10 7 5 0 16 10 1 mA mA mA mA mA mA mA mA mA mA A dB dB dB dB dB dB dB V Specifications
Preliminary
Specification Min. Typ. Max. Unit Condition
Power Supply
Supply Voltage Logic High Logic Low Cellular LNA Current
Mixer Current PCS LNA Current
Cellular; LNA On, Max IIP3 Cellular; LNA On, Nominal IIP3 Cellular; LNA Off Cellular; Mixer RF Amplifier ON Cellular; Mixer RF Amplifier OFF PCS; LNA On, Max IIP3 PCS; LNA On, Nominal IIP3 PCS; LNA Off PCS; Mixer RF Amplifier ON PCS; Mixer RF Amplifier OFF Enable=0
8
FRONT-ENDS
Mixer Current Power Down
Local Oscillator Input
Cellular - CDMA/FM Input Power Input Frequency -10 -7 685-710 1053-1078 1370-1420 2106-2156 -7 1746-1806 2114-2174 0 dBm MHz MHz MHz MHz dBm MHz MHz
IF=184MHz IF=184MHz IF=184MHz with divider enabled. IF=184MHz with divider enabled.
PCS Input Power Input Frequency
-10
0
IF=184MHz IF=184MHz
Local Oscillator Output TX Buffer
Cellular - CDMA/FM Output Power Output Frequency -12 685-710 1053-1078 685-710 1053-1078 2 -12 1746-1806 2114-2174 2 dBm MHz MHz MHz MHz mA dBm MHz MHz mA Single-ended 50 load IF=184MHz IF=184MHz IF=184MHz with divider enabled. IF=184MHz with divider enabled.
Current Consumption PCS Output Power Output Frequency Current Consumption
Single-ended 50 load IF=184MHz IF=184MHz
8-36
Rev A1 010918
Preliminary
State Table (Typical Values for VCC =2.75V)
RF3404
Cellular PCS
Parameter
Gain (dB) Noise Figure (dB) Input IP3 (dBm) Total Current
LNA On LNA Off LNA On LNA Off LNA at Max IIP3 LNA at Nom IIP3 LNA at Max IIP3 LNA at Nom IIP3 Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer Amp On Amp Off Amp On Amp Off Amp On Amp Off Amp On Amp Off Amp On Amp Off Amp On Amp Off 25 16 24.5 15 4 -3 25 15 24 15.5 5 -4 2.0 4 2.1 4.5 15 22 2.2 5.0 2.3 6 15 22 -9 1.5 -8 2 +10 +20 -8.5 2 -7.5 1 +10 +20 29.5 23.5 28 22 24 18 29.5 23.5 28 22 24 18
RF3404 Control States
BAND SEL
PCS CDMA High Gain PCS CDMA Mid1 Gain PCS CDMA Mid2 Gain PCS CDMA Low Gain Cell CDMA High Gain Cell CDMA Mid1 Gain Cell CDMA Mid2 Gain Cell CDMA Low Gain Cell FM High Gain Cell FM Mid1 Gain Cell FM Mid2 Gain Cell FM Low Gain Shutdown Not Defined 1 1 1 1 0 0 0 0 0 0 0 0 X 1
IF SEL
0 0 0 0 0 0 0 0 1 1 1 1 X 1
LNA GAIN
1 1 0 0 1 1 0 0 1 1 0 0 X X
MIX GAIN
1 0 1 0 1 0 1 0 1 0 1 0 X X
ENABLE
1 1 1 1 1 1 1 1 1 1 1 1 0 1
8
FRONT-ENDS
Control Logic
Mode
Cellular FM Cellular CDMA PCS CDMA Power Down Power Down 2 TX Buffer Enabled Divider Enabled
BAND_SEL
0 0 1 1 X X X
IF_SEL
1 0 0 1 X X X
ENABLE
1 1 1 1 0 1 1
TX BUF
X X X X X 1 X
DIVIDER ENABLE
X X X X X X 1
Gain Control Logic
LNA Mode
High Gain High Linearity (off-chip) High Gain High Linearity (off-chip) High Gain Low Linearity (on-chip) High Gain Low Linearity (on-chip) Low Gain Low Gain
Mixer Mode
High Gain Low Gain High Gain Low Gain High Gain Low Gain
LNA GAIN
1 1 1 1 0 0
MIX GAIN
1 0 1 0 1 0
IP SET
1 1 0 0 X X
Rev A1 010918
8-37
RF3404
Pin 1 2 3 4 Function PCS LO OUT CELL LO OUT GND MIXER GAIN GND GND GND VCC2 GND GND CELL LNA IN Description
PCS LO output. Internal DC block. Cellular LO output. Internal DC block. Low-inductance ground required. Logic input. Controls switch around mixer preamp. High selects maximum mixer gain.
Preliminary
Interface Schematic
MIX GAIN
5 6 7 8 9 10 11
Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. PCS LNA VCC. External bypass capacitor between 10pF and 47nF required. Low-inductance ground required. Low-inductance ground required. Cellular LNA input. Internally matched to 50. DC-blocking internal to module.
CELL LNA IN VCC
8
12
FRONT-ENDS
PCS LNA IN
PCS LNA input. Internally matched to 50. DC-blocking internal to module.
PCS LNA IN
VCC
13 14 15 16 17 18 19 20 21 22
GND GND GND VCC1 GND GND GND GND GND CDMA IF+
Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Cellular LNA VCC. External bypass may be required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. CDMA IF output. Open collector. "Current combiner" IF interface to SAW filter recommended.
CDMA+ CDMA-
23
CDMA IF-
CDMA IF output. Open collector. "Current combiner" IF interface to SAW filter recommended.
See pin 22.
8-38
Rev A1 010918
Preliminary
Pin 24 Function FM IF+ Description
FM IF output. Open collector. "Current combiner" IF interface to SAW filter recommended.
RF3404
Interface Schematic
FM+ FM-
25 26 27
FM IFDIVIDER ENABLE LO IN
FM IF output. Open collector. "Current combiner" IF interface to SAW filter recommended. Logic input. High enable frequency divide by 2 circuitry in cellular mode. LO single-end input. Internal DC block.
See pin 24.
LO IN
28 29
GND ENABLE
Low-inductance ground required. Logic input. Low level shuts down IC. IC can be shut down by setting pins 44 and 45 high and TX Buffer Enable low as well.
ENABLE
30
TX BUFFER ENABLE LNA GAIN
Logic input. High enables TX LO buffer amplifiers.
TX BUF
8
FRONT-ENDS
31
Logic input. Controls LNA bypass switch. High selects maximum LNA gain.
LNA GAIN
32 33 34 35 36 37 38 39 40 41 42 43 44
GND GND GND GND GND GND GND GND GND GND GND VCC4 BAND SEL
Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. Low-inductance ground required. VCC connection for internal references, logic, and mix preamps. Internal RF bypass capacitor. External bypass capacitor between 1nF and 47nF may be required. Logic input. High level selects PCS band; lower level selects cellular band.
BAND SEL
45
IF SEL
Logic input. High selects FM IF outputs in cellular mode; low selects CDMA IF outputs.
IF SEL
Rev A1 010918
8-39
RF3404
Pin 46 Function IP SET Description
Logic input. High selects maximum IIP3 mode.
Preliminary
Interface Schematic
IP SET
47 48
GND VCC3
Low-inductance ground required. VCC connection for internal LO amplifiers. Internal RF bypass capacitor. External bypass between 1nF and 47nF may be required.
Outline Drawing
0.2500 0.25 1.6000 1.60
1.50 1.5000 0.50 0.5000
22
CDMA IF+ CDMA IFBAND SEL VCC4
16
VCC1
15
23
0.1000 0.10
FM IF+
44
IF SEL
43
39 38
PCS LNA IN
24
FM IF-
45
IP SET
8.0000 8.00
8
FRONT-ENDS
1.5000 1.50
25
Divider Enable
46
GND
12
Cell LNA IN
26
LO IN VCC3
11 48
ENABLE TX BUFFER LNA ENABLE GAIN
27 28
PCS LO OUT
35 30 31
MIXER GAIN
29
Cell LO OUT
34
9
VCC2
1
2
4
8
8.00 8.0000
8-40
Rev A1 010918
0.50
1.00
0.60
Preliminary
Overview
Why Design with Receive Modules? The RF3404 is a fully integrated dual-band, tri-mode module contains an LNA, RF image-rejection SAW filter, mixer, mixer preamplifier, and local oscillator (LO) buffer amplifiers as shown in the block diagram. The module also contains all of the RF matching components, bias-setting components, and decoupling components required. The differential IF output matching is external to the module in part due to the varying range of IFs used by customers and the physical size of IF SAW filters. The module, which measures only 8.0mmx8.0mm and takes up only 64mm of PCB area, is less than half the size of available alternative solutions, which typically occupy over 200mm2 of board area. The RF3404 is control-compatible with existing IF-to-baseband solutions. Electrical Design Overview The heart of the module is the RF2489 SiGe monolithic microwave integrated circuit (MMIC) based on a highperformance silicon germanium (SiGe) process. The SiGe process is capable of fabricating transistors with an Ft of 47GHz. The module achieves 30dB of gain control in the 880MHz band. The gain-control range is obtained with switches around the LNA and mixer preamplifier. By itself, the cellular LNA features 15dB small-signal gain and a typical noise figure of 1.1dB when drawing 6mA current from a +2.75VDC supply. A CMOS-enabled control line makes it possible to select an increased LNA input third-order intercept point of +10dBm to meet the cross modulation requirements of the IS-95B CDMA specification. The RF3404's LNA is followed by a miniature RF SAW filter. It provides RF image rejection as well as transmit-band rejection. All impedance matching to the RF SAW filter is contained within the module. The module's RF2489 SiGe MMIC contains two high-frequency mixers that handle downconversion of the CDMA and AMPS signals at 880MHz. The module provides a common IF port for the CDMA cellular and PCS band output signal and a separate IF output port for the AMPS-band IF signal. The mixers and their integrated preamplifiers achieve a noise figure of 7dB, gain of 14dB, and input third-order intercept point of +3dBm. A bypass switch around the mixer preamplifier is integrated to support those systems using a two-step gain approach for meeting the three test conditions of IS-95B intermodulation performance
2
RF3404
The 1960MHz PCS CDMA signal path is similar to the cellular path in many ways. The PCS LNA has a typical gain of 16dB with a noise figure of 1.3dB. The LNA can also be bypassed and also has a setting for high input third-order intercept point of +8dBm. The PCS mixer features 13dB gain, 7dB noise figure, and input thirdorder intercept point of +3dBm. Again, all of the RF impedance matching to the LNA and SAW filters is included in the module. The RF3404 module is flexible enough to accommodate either single or dual voltage-controlled-oscillator (VCO) architectures. The cellular band has the selectable option of running the LO directly to the cellular mixers or routed through a divide-by-2 frequency prescaler for systems that have migrated to a single VCO architecture. A buffered transmit LO output with -12dBm output power is also supplied for both the PCS and cellular bands. The RF3404 requires an input LO power range of -10dBm to -4dBm. The LO input port is matched to 50. The LO outputs can be tied together externally to support single transmit LO applications and each is matched to 50. Mechanical Layout Overview The RF3404 is built around a laminate module technology geared to high-volume manufacturing and the low cost structure mandated by the wireless industry. RF Micro Devices has already built millions of power amplifier (PA) modules using the same materials sets, supply chain, and manufacturing rules used for the RF3404. The module is overmolded with a compound that has a finished overall thickness of 1.6mm. The backside pattern of the 8.0mm x8.0mm module is a 48-pin land grid array (LGA) with a double row of input/output (I/O) connections to ease trace routing as shown in the interface outline drawing. A total of 21 of these I/O pads are actual signal interconnections, with the remainder being ground connections. The I/O pads are a generous 0.5mmx0.6mm in size on a 1.0mm pitch. The outer ring of I/O pads contains all of the RF connections along with the voltage supply and some control lines. The inner ring of I/Os contains only DC control signal lines and VCC connections. A 1.5mm square ground pad in the center of the module backplane supplies additional RF grounding and also assures a very robust mechanical attachment to the cellular/PCS telephone PCB. The dual row I/Os aid in the telephone PCB layout by reducing the number of 8-41
8
FRONT-ENDS
Rev A1 010918
RF3404
traces required to converge on the perimeter of the module. Routing is eased by viaholes that can be placed between the inner row of connections and the center ground pad in the cellular/PCS telephone PCB. Why Use Integrated Modules? Decreased Board Area Table A shows a comparison between the leading four design approaches for dual-band/tri-mode CDMA front ends: 1. discrete LNAs and discrete mixers with off-chip matching for each component, 2. single band cellular and PCS LNA/Mixer MMICs with off-chip matching, 3. single MMIC dual band chips with off-chip matching and finally 4. fully integrated modules like the RF3404. Table A summarizes the number of SMD components for each approach as well as the typical amount of phone board space required for a complete layout.The RF3404 represents a 50 percent to 70 percent reduction in the amount of board space required when compared with the most highly integrated chip solutions on the market today. Furthermore, it represents the largest percentage improvement in board space savings for any of the other increased integration gains in recent years. Reduced BOM Counts Another area where one can see marked improvement is in BOM reduction. The RF3404 reduces the BOM from the most highly integrated alternatives available today that contain approximately 25 components to only three. The three are VCC-bypassing capacitors that depend on the frequency response of the phone board power supply and a resistor.
Preliminary
Simplify the Supply Chain The supply chain can be significantly simplified with the elimination of two dozen components that would not need to be source selected, qualified, purchased, received, stored, coordinated or delivered to the factory floor. Decreased Engineering and Product Cycle Time With a single module solution the RF engineering required to design the front end is significantly reduced. The RF3404 module allows for a design-in solution meeting all of the IS95B requirements, which requires significantly less engineering. Decreased Assembly Costs Accordingly, assembly costs are also reduced. With SMD placement costs running in the range of 1.0cents to 1.3cents per placement and with the placement of die packages, SAWs, and modules costing even more per placement, one can eliminate somewhere around 35cents from the cost of assembly with modules and improve factory throughput. Improve Phone Level Yield Known good RF performance at the module level is available with integrated modules that have been RF tested. Phone level yield can be improved, in addition to the improvement in yield from placing two dozen fewer components. Improved Reliability Mechanical attachment and reliability is improved with this module technology due to a variety of factors. The first is the elimination of numerous components and thus solder joints, which directly aids overall phone reliability. Another important factor is the matched coefficient of thermal expansion (CTE) between the laminate module and the cellular/PCS telephone PCB that eliminates much of the solder stress potential found in lowtemperature-cofired-ceramic (LTCC) or chip-scale modules and should provide the most robust solution for the stringent mechanical shock and drop tests that mobile telephone hardware must survive.
8
FRONT-ENDS
Table A. Comparison of Alternate CDMA Front-End Solution Approaches Number of Components* Level of Integration Caps Resistors Inductors Saws RF3404 Module 2 1 Dual Band Integrated MMIC 11 4 Single Band Integrated MMIC 19 8 LNA/Mixer Discrete Solution 24 8 *Does not include IF matching components to IF SAW filters. 0 7 6 6 0 2 2 2
Total Components 3 24 35 40
Board Area (sq. mm) 67 ~200 ~280 ~350
8-42
Rev A1 010918
Preliminary
Evaluation Board Schematic
L1 390 nH VCC
0603 0805
RF3404
C14 12 pF
0402
0402
C12 33 nF J1 CDMA OUT
L2 82 nH C17 10 pF
R1 10 k
P1-4 C15 10 pF
0402
P1-5
P1-11
P1-11
0402
P1
0402
22
0603 0603
21
VCC1 VCC4
15
C22 33 nF VCC
L4 180 nH
C18 15 pF
0402
CDMAIF+ CDMAIF-
L3 72 nH J2 FM OUT C21 15 pF
R2 2.4 k
23
FM IF+
44
IF SEL
43
39
14
BAND SEL
38 C19 15 pF
0402 FM IFIP SET PCS LNA IN
12
CELL LNA IN
J3 LNA HB INPUT J4 LNA LB INPUT
P1-3 P1-8 11 C11 10 pF - 47 nF 10 9 8 7 6 5 4 3 2 1 P1-8 P1-7 P1-6 P1-5 P1-4 P1-3 P1-2 P1-1 J6 PCS LO OUTPUT P1-6 J7 CELL LO OUTPUT P1-11 P1-1 P1-7 P1-2 28
PCS LO OUT
11
DIV ENABLE LO IN VCC3
P1-11 J5 LO INPUT
48
ENABLE LNA GAIN
35
29
CELL LO OUT
30
TX BUFFER ENABLE MIXER GAIN
34
9
VCC2
1
8 Note orientation of pin 1 3404400, Rev. 4
R3 5.1
0402
P1 COMPONENT 1
P1-11
8
FRONT-ENDS
Rev A1 010918
8-43
RF3404
Evaluation Board Layout Board Size 2.0" x 2.0"
Board Thickness 0.030", Board Material FR-4, Multi
Preliminary
8
FRONT-ENDS
8-44
Rev A1 010918

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