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Preliminary
RF2643
3V DUAL-BAND UPCONVERTER AND DRIVER AMPLIFIER
6
Typical Applications
* TDMA/AMPS Cellular Systems * CDMA/AMPS Cellular Systems
* PCS Systems * Portable Battery-Powered Equipment
Product Description
The RF2643 is a complete upconverter, dual-power amplifier driver and attenuator designed for Cellular and PCS systems. It is designed to upconverter and amplifies RF signals while providing 22dB of linear gain control range. It features digital control for the mixer and drivers. The device features balanced IF inputs, single-ended LO input and dual RF output for Cellular and PCS Systems respectively. The IC is manufactured on an advanced Silicon Bi-CMOS process and packaged in a 20-pin, 4mmx4mm, leadless chip carrier with an exposed die flag.
1.00 0.90 0.60 0.24 typ
4.00 sq.
0.65 0.30
4 PLCS
3 0.20
2.10 sq.
6
MIXERS
12 MAX 0.05
Dimensions in mm.
0.75 0.50 0.50 Note orientation of package. 0.23 0.13
4 PLCS
NOTES: 1 Shaded lead is Pin 1. 2 Pin 1 identifier must exist on top surface of package by identification mark or feature on the package body. Exact shape and size is optional. 3 Dimension applies to plated terminal: to be measured between 0.02 mm and 0.25 mm from terminal end. 4 Package Warpage: 0.05 mm max. 5 Die Thickness Allowable: 0.305 mm max.
Optimum Technology Matching(R) Applied
Package Style: LCC, 20-Pin, 4x4
uSi Bi-CMOS
CELL MIXOUT
Si BJT
GaAs HBT SiGe HBT
CELL GND CELL VCC
GaAs MESFET Si CMOS
CELL IN
Features
* Single Supply 3.0V Operation * Power Down Control
* PD LO BYPASS IF+ IF1 2 3 4 5 *
SEL
20
19
Logic
18
17
16
* 15 14 CELL ATT GND CELL OUT VGC PCS OUT PCS ATT GND
* Gain Control Range of 22dB * Driver Amplifier Select Pin (RF Output Select) * High Linearity in Mixer and Driver Amp
Bias Circuit
13 12 11
6 PCS MIXOUT
7 VCC MIX
8 VCC
9 PCS VCC
10 PCS IN
*
Ordering Information
RF2643 RF2643 PCBA 3V Dual-Band Upconverter and Driver Amplifier Fully Assembled Evaluation Board
* Represents "GND".
Functional Block Diagram
RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA
Tel (336) 664 1233 Fax (336) 664 0454 http://www.rfmd.com
Rev A1 010717
6-37
RF2643
Absolute Maximum Ratings Parameter
Supply Voltage Input RF Power Operating Ambient Temperature Storage Temperature
Preliminary
Rating
-0.5 to +3.6 +3 -30 to +80 -30 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
Upconverter Both Bands
IF Frequency Range LO Input Level RF to LO Isolation IF to RF Isolation IF to LO Isolation IF Input Impedance Differential IF Input Return Loss Differential LO Input Impedance Single-Ended LO Input Return Loss Single-Ended RF Output Impedance Single-Ended RF Output Return Loss Single-Ended
Specification Min. Typ. Max.
Unit
Condition
Unless stated otherwise, all data in this section is for both Cellular and PCS bands. T=25C, VCC =2.75V.
6
MIXERS
100 -9 20 40 34 10
-6 30
250 -2
260 50 10 50 10
MHz dBm dBm dBm dBm dB dB dB RF=835MHz, LO=990MHz @-3dBm
Cellular Band
RF Output Frequency LO Frequency Range IF-RF Conversion Gain Noise Figure Output IP3 (Linearity) Output P1dB LO to RF Output Leakage 824 909 -2 849 1099 2 13 14 MHz MHz dB dB dBm dBm dBm 1910 2160 2 14.5 16.5 MHz MHz dB dB dBm dBm dBm
10.5 -3
0 12 13 13.0 -1 -30
Room Temp. Over Temp. See Note 1 (end of parameter table).
PCS Band
RF Output Frequency LO Frequency Range IF-RF Conversion Gain Noise Figure Output IP3 (Linearity) Output P1dB LO to RF Output Leakage 1850 1950 -2
RF=1880MHz, LO =2030MHz@-3dBm
8.5 -4
0 14.0 15.0 12.0 -2 -17
Room Temp. Over Temp. See Note 1 (end of parameter table).
6-38
Rev A1 010717
Preliminary
Parameter
Amplifiers/Attenuators Both Bands
Gain Control Range Gain Control Voltage Gain Control Slope Input Impedance Single-Ended Input Return Loss Single-Ended Output Impedance Single-Ended Output Return Loss Single-Ended RF Output Collector Current Consumption Upconverter Output to Amplifier Input 17 0.8 20 15 50 10 50 10 10 35 40 1.9 35 dB V dB/V dB dB mA dB Any load.
RF2643
Specification Min. Typ. Max. Unit Condition
Unless stated otherwise, all data in this section is for both Cellular and PCS bands. T=25C, VCC =2.75V.
6
MIXERS
Cellular Band
RF Frequency Range Maximum Gain Noise Figure at Maximum Gain Noise Figure Increase with Attenuation Input IP3 (Linearity) 824 5 7 849 9 2.5 0.75 MHz dB dB dB/dB dBm Amplifier + Attenuator Amplifier + Attenuator
-1
1
@ all gain levels See Note 1 (end of parameter table).
PCS Band
RF Frequency Range Maximum Gain Noise Figure at Maximum Gain Noise Figure Increase with Attenuation Input IP3 (Linearity) 1850 4 6 1910 8 3.5 0.75 MHz dB dB dB/dB dBm Amplifier + Attenuator Amplifier + Attenuator
-1
0
Control and Power Consumption
Operating Voltage Power Down Control 2.7 2.1 0.5 Power Down Pin Impedance Band-Select Control (BS) Band Select Pin Impedance Device OFF Current Total Current (PD =HIGH) 20 2.1 0.5 20 30 33 10 37 42 3.0 V V V k V V k uA mA mA
See Cellular Band Input IP3 Conditions. Unless otherwise stated, all data in this section is for both Cellular and PCS bands.
HIGH (Device ON) LOW (Device OFF) PCS (HIGH) Cellular (LOW) PD =LOW Cellular, BS=LOW PCS, BS=HIGH
NOTE 1: OIP3 was measured using a two-tone test. Each injected tone had an input power (at the RF output of the upconverter) of -18dBm with a frequency spacing of 100kHz.
Rev A1 010717
6-39
RF2643
Pin 1 Function PD Description
Power Down Control. When Logic "high" (greater than 2.1V) the device is active and all circuits are operating. When logic "low" (less than 0.5V) the device is inactive and all circuits are turned off.
Preliminary
Interface Schematic
VCC
2
LO
Single-ended LO input pin. This pin is internally DC biased and should be DC blocked if it is connected to a device with a DC level present. The single-ended input impedance is 50.
LO+
Bias
Bias
LO-
3 4
BYPASS IF+
Bypass pin for internal bias circuitry. Bypass with 10nF capacitor. Balanced IF input pin. This pin is internally DC biased and should be DC blocked if connected to a device with a DC level present. The differential input impedance is 260. For single ended input operation, one pin is used as an input and the other IF input is AC coupled to ground. Same as pin 4, except complementary input. RF mixer output pin for the PCS system. PCS Mixout output impedance depends on the LC match and it is influenced by the bypass capacitor at VCC2.
VCC MIX
6
MIXERS
IF+
IF-
Bypass
5 6
IFPCS MIXOUT
PCS MIXOUT
7
VCC MIX
8 9
VCC PCS VCC
Supply voltage pin for the mixer. External bypassing is required. The trace length between the pin and the bypass capacitors should be minimized. The ground side of the bypass capacitors should connect immediately to ground plane. Supply voltage pin for all the control and bias circuitry. A bias choke inductor and RF bypass capacitor is required. Supply voltage pin for the PCS driver. This pin is an open collector and it will need a bias choke inductor and RF bypass. A parallel resistor to the inductor improves stability of the driver amplifier.
PCS IN
PCS VCC
10 11
PCS IN PCS ATT GND
Single-ended input for the PCS driver and attenuator. External matching is required. This pin is internally DC biased and should be DC blocked if it is connected to a device with a DC level present. PCS attenuator ground pin. This pin should be AC ground. The trace length between the pin and the bypass capacitors should be minimized. The value of the capacitor is chosen to resonate in the PCS band.
PCS Attenuator
PCS OUT PCS ATT-GND
12
PCS OUT
PCS RF output pin. External matching is required. This pin is internally DC biased and should be DC blocked if it is connected to a device with a DC level present.
6-40
Rev A1 010717
Preliminary
Pin 13 14 15 Function VGC CELL OUT CELL ATT GND Description
Analog gain control for the driver amplifier. Valid control voltage ranges from 0.8VDC to 1.9VDC. Cellular RF output pin. External matching is required. External matching is required. This pin is internally DC biased and should be DC blocked if it is connected to a device with a DC level present. Cell attenuator ground pin. This pin should be AC ground. The trace length between the pin and the bypass capacitors should be minimized. The value of the capacitor is chosen to resonate in the PCS band.
RF2643
Interface Schematic
VGC
Cell Attenuator
CELL OUT CELL ATT-GND
16
CELL IN
Singled end input for the cellular driver and attenuator. External matching is required. This pin is internally DC biased and should be DC blocked if it is connected to a device with a DC level present.
CELL VCC
CELL GND
6
MIXERS
17 18 19
CELL GND CELL VCC SEL
This pin should be choke to ground. The inductor is used to adjust the linearity of the cellular driver. Supply voltage pin for the cell driver. This pin is an open collector and it will need a bias choke inductor and RF bypass. A parallel resistor to the inductor improves stability of the driver amplifier. Band select control pin for the drivers. When Logic "high" (greater than 2.1V) the PCS band is active. When logic "low" (less than 0.5V) the Cellular Band is active.
SEL
20
CELL MIXOUT
RF mixer output pin for the PCS system. PCS Mixout output impedance depends on the LC match and it is influenced by the bypass capacitor at VCC2.
VCC MIX
CELL MIXOUT
Pkg Base
GND
Ground connection. The backside of the package should be soldered to a top side ground pad, which is connected to the ground plane. Additional ground connections are offered at each corner of the package for flexibility in layout design.
Rev A1 010717
6-41
RF2643
Application Schematic
Cell RF Filter
Preliminary
SEL 2 pF R* 390 12 nH 10 nF 10 nF
VCC1 1.5 nH 15 nH R* 91
VCC2
0.1 uF
Die Flag
* PD 100 pF 1 2 10 nF 3 4 IF Filter IF+ IFC* * Represents "GND". 3 pF C* 5 *
20
19
Logic
18
17
16
* 15
13 pF
Bias Circuit
6
MIXERS
LO
3.3 nH 14 13 4.7 nH 12 11 6 7 8 9 10 3 pF * 0.5 pF
1 nF CELL OUT VGC 1 nF PCS OUT
0.1 uF 2.2 nH
3.9 nH CC
R* R* 240 33 nF 33 nF 10 nF 10 nH VCC1
10 nF
VCC2
VCC MIX
VCC PCS RF Filter
NOTES: 1. All components marked with "R*" are De-Q resistors. 2. All components marked with "C*" should be present, if IF SAW filter has a direct path to ground.
6-42
Rev A1 010717
Preliminary
Evaluation Board Schematic IF=155MHz
(Download Bill of Materials from www.rfmd.com.)
RF2643
C18 + 1 uF P1-1
P1 1 2 VCC GND VCC MIX
C20 33 nF P2-1
P2 1 2 PD GND SEL
C24 DNI P3-1
P3 1 2 3 CON3 VGC GND GND
C22 + 1 uF P4-1
P4 1 2 VCC1 GND VCC2
P1-3 C19 + 1 uF
3 CON3
P2-3 C21 33 nF
3 CON3
P4-3 C23 + 1 uF
3 CON3
J8 CELL MIXOUT
50 strip
SEL C15 2 pF C16 10 nF
VCC1 L6 1.5 nH L7 15 nH R1 91 C14 0.1 uF
R5 390 VCC2 C17 10 nF PD J1 LO 50 strip L1 12 nH
Die Flag
50 strip
J7 CELL IN
6
MIXERS
* C1 100 pF C2 10 nF 1 2 3 4 5 * 50 strip C4 10 nF C6 3 pF C7 10 nF VCC2 * Represents "GND". L2 3.9 nH CC
20
19
Logic
18
17
16
* 15 14
C12 13 pF L5 3.3 nH C13 1 nF
50 strip
Bias Circuit
J6 CELL OUT VGC
13 12 11
L4 4.7 nH
C11 1 nF
50 strip
J2 IF
50 strip
T1
C3 10 nF
J5 PCS OUT
6
7
8
9
10
*
2643400-
C10 3 pF C27 0.5 pF C9 0.1 uF
J3 PCS MIXOUT
50 strip
R4 DNI C25 33 nF
R3 0
C26 33 nF R2 240 L3 10 nH
L8 2.2 nH
J4 PCS IN
VCC1 C8 10 nF
VCC MIX
VCC
Rev A1 010717
6-43
RF2643
Evaluation Board Layout Board Size 2.0" x 2.0"
Board Thickness 0.064", Board Material FR-4, Multi-Layer
Assembly Top
Preliminary
6
MIXERS
Inner 1 - Ground Plane 1
Inner 2 - Power Plane 1
6-44
Rev A1 010717
Preliminary
Inner 3 - Ground Plane 2
RF2643
Inner 4 - Power Plane 2
Back
6
MIXERS
Rev A1 010717
6-45
RF2643
Power Down Current
1.4 32.0 Icc, -30 31.8 1.2 31.6 1.0 31.4 Icc, 25 Icc, 85
Preliminary
Cellular Current
Current (mA)
3.3
ICC (uA)
0.8 Icc, -30 0.6 Icc, 25 Icc, 85 0.4
31.2 31.0 30.8 30.6 30.4
0.2 30.2 0.0 2.7 2.8 2.9 3.0 3.1 3.2 30.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3
6
1.5
VCC (V)
VCC (V)
Cellular Mixer Conversion Gain @ LO = -10 dBm
1.5 Gain, -30
Cellular Mixer Conversion Gain @ LO = -3 dBm
Gain, -30 Gain, 25 1.0 Gain, 85
MIXERS
1.0
Gain, 25 Gain, 85
0.5
Conversion Gain (dB)
Conversion Gain (dB)
2.7 2.8 2.9 3.0 3.1 3.2 3.3
0.5
0.0
0.0
-0.5
-0.5
-1.0
-1.5
-1.0
-2.0
-1.5 2.7 2.8 2.9 3.0 3.1 3.2 3.3
VCC (V)
VCC (V)
Cellular LO to RF Leakage @ LO = -10 dBm
-32.5 -33.0 -33.5 -26.6 -26.8 -27.0
Cellular LO to RF Leakage @ LO = -3 dBm
LO to RF Leakage (dBm)
LO to RF Leakage (dBm)
-34.0 -34.5 -35.0 -35.5 -36.0 -36.5 -37.0 -37.5 -38.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3 LO2RF, -30 LO2RF, 25 LO2RF, 85
-27.2 -27.4 -27.6 -27.8 -28.0 -28.2 -28.4 -28.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 LO2RF, -30 LO2RF, 25 LO2RF, 85
VCC (V)
VCC (V)
6-46
Rev A1 010717
Preliminary
Cellular Mixer OIP3 @ LO = -10 dBm
14.5 OIP3, -30 14.0 13.5 13.0 OIP3, 25 OIP3, 85 14.0 13.5 13.0 14.5
RF2643
Cellular Mixer OIP3 @ LO = -3 dBm
OIP3 (dBm)
12.5 12.0 11.5 11.0 10.5 10.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3
OIP3 (dBm)
12.5 12.0 11.5 11.0 10.5 10.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3
OIP3, -30 OIP3, 25 OIP3, 85
VCC (V)
VCC (V)
Cellular Mixer Noise Figure @ LO = -10 dBm
14.0 13.0
Cellular Mixer Noise Figure @ LO = -3 dBm
6
MIXERS
3.3 -2.0
13.5 12.5 13.0 NF, -30 NF, 25 NF, -30 NF, 25
Noise Figure (dB)
12.5
NF, 85
12.0
Noise Figure (dB)
12.0
NF, 85
11.5
11.5
11.0
11.0 10.5 10.5
10.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3
10.0 2.7 2.8 2.9 3.0 3.1 3.2
VCC (V)
VCC (V)
Cellular Mixer Gain @ 25C
0.5 0.0 -0.5 14.0
Cellular Mixer OIP3 @ 25C
13.5
13.0
Conversion Gain (dB)
-1.0 12.5 -1.5 -2.0 -2.5 -3.0 -3.5 -4.0 -10.0 11.0 2.7 V 3V 3.3 V 10.0 -10.0 10.5 2.7 V 3V 3.3 V -2.0 -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0
OIP3 (dBm)
-9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0
12.0
11.5
VCC (V)
LO (dBm)
Rev A1 010717
6-47
RF2643
Cellular Mixer Noise Figure @ 25C
12.2 2.7 V 3V 12.1 3.3 V 5.0 10.0 2.7 V 3V 3.3 V
Preliminary
Cellular Gain Driver @ 25C
Noise Figure (dB)
12.0
0.0
11.9
Gain (dB)
-9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0
-5.0
11.8
-10.0
11.7
-15.0
11.6 -10.0
-20.0 0.7 0.9 1.1 1.3 1.5 1.7 1.9
6
9.0 2.7 V
LO (dBm)
VGC (V)
Cellular Driver IIP3 @ 25C
18.0
Cellular Noise Figure Driver @ 25C
2.7 V 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 3V 3.3 V
MIXERS
8.0 7.0 6.0
3V 3.3 V
5.0 4.0 3.0 2.0 1.0 0.0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
Noise Figure (dB)
IIP3 (dBm)
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
VGC (V)
VGC (V)
Cellular Gain Driver @ 2.7 V
10.0 Gain, -30 Gain, 25 5.0 Gain, 85 7.0 0.0 6.0 8.0 9.0 IIP3, -30 IIP3, 25 IIP3, 85
Cellular Driver IIP3 @ 2.7 V
IIP3 (dBm)
0.5 1.0 1.5 2.0
Gain (dB)
5.0 4.0 3.0 2.0
-5.0
-10.0
-15.0 1.0 -20.0 0.0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
VGC (V)
VGC (V)
6-48
Rev A1 010717
Preliminary
Cellular Driver Noise Figure @ 2.7 V
18.0 NF, -30 16.0 14.0 12.0 NF, 25 NF, 85 33.3 33.1 32.9 33.5 Icc, -30 Icc, 25 Icc, 85
RF2643
PCS Current
Noise Figure (dB)
Current (mA)
0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
32.7 32.5 32.3 32.1
10.0 8.0 6.0 4.0 2.0 0.0
31.9 31.7 31.5 2.7 2.8 2.9 3.0 3.1 3.2 3.3
VGC (V)
VCC (V)
PCS Mixer Conversion Gain @ LO = -10 dBm
1.5 1.5
PCS Mixer Conversion @ LO = -3 dBm
6
MIXERS
Gain, -30 Gain, 25 Gain, 85
1.0
1.0
0.5 0.5
Conversion Gain (dB)
0.0
Conversion Gain (dB)
0.0
-0.5 Gain, -30 -1.0 Gain, 25 Gain, 85 -1.5
-0.5
-1.0
-2.0
-1.5
-2.5 2.7 2.8 2.9 3.0 3.1 3.2 3.3
-2.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3
VCC (V)
VCC (V)
PCS LO to RF Leakage @ LO = -10 dBm
-21.3 -21.4 -21.5 -17.65 -17.70 -17.75
PCS LO to RF Leakage @ LO = -3 dBm
LO2RF, -30 LO2RF, 25 LO2RF, 85
LO to RF Leakage (dBm)
-21.7 -21.8 -21.9 -22.0 -22.1 -22.2 -22.3 -22.4 2.7 2.8 2.9 3.0 3.1
LO2RF, -30 LO2RF, 25 LO2RF, 85
LO to RF Leakage (dBm)
3.3
-21.6
-17.80 -17.85 -17.90 -17.95 -18.00 -18.05 -18.10 -18.15 -18.20 2.70
3.2
2.80
2.90
3.00
3.10
3.20
3.30
VCC (V)
VCC (V)
Rev A1 010717
6-49
RF2643
PCS Mixer OIP3 @ LO = -10 dBm
13.0 12.5 12.0 12.0 11.5 13.0
Preliminary
PCS Mixer OIP3 @ LO = -3 dBm
12.5
OIP3 (dBm)
OIP3 (dBm)
11.0 10.5 10.0 9.5 9.0 8.5 8.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3
11.5 OIP3, -30 11.0 OIP3, 25 OIP3, 85 10.5
OIP3, -30 OIP3, 25 OIP3, 85
10.0
9.5
9.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3
6
17.0
VCC (V)
VCC (V)
PCS Mixer Noise Figure @ LO = -10 dBm
15.0 16.5 14.5 16.0 15.5
PCS Mixer Noise Figure @ LO = -3 dBm
MIXERS
NF, -30 NF, -30 NF, 25
Noise Figure (dB)
15.0 14.5 14.0 13.5 13.0
Noise Figure (dB)
14.0
NF, 25 NF, 85
NF, 85
13.5
13.0
12.5 12.5 12.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3 12.0 2.7 2.8 2.9 3.0 3.1 3.2 3.3
VCC (V)
VCC (V)
PCS Mixer Conversion Gain @ 25C
0.0 12.6 2.7 V -0.1 12.4 3V 3.3 V 12.2 -0.2
PCS Mixer OIP3 @ 25C
Conversion Gain (dB)
12.0 -0.3
OIP3 (dBm)
2.7 V 3V 3.3 V -9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0
11.8
-0.4
11.6 -0.5 11.4 -0.6
11.2
-0.7 -10.0
11.0 -10.0
-9.0
-8.0
-7.0
-6.0
-5.0
-4.0
-3.0
-2.0
LO (dBm)
LO (dBm)
6-50
Rev A1 010717
Preliminary
PCS Mixer Noise Figure @ 25C
14.3 2.7 V 14.2 14.1 14.0 3V 3.3 V 5.0 10.0 2.7 V 3V 3.3 V
RF2643
PCS Gain Driver @ 25C
Noise Figure (dB)
13.9 13.8 13.7 13.6 13.5 13.4 13.3 13.2 -10.0
0.0
Gain (dB)
-9.0 -8.0 -7.0 -6.0 -5.0 -4.0 -3.0 -2.0
-5.0
-10.0
-15.0
-20.0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
LO (dBm)
VGC (V)
PCS IIP3 Driver @ 25C
14.0 2.7 V 12.0 3V 3.3 V 10.0 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 2.0 0.0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 0.0 0.7 0.9 18.0
PCS Noise Figure Driver @ 25C
2.7 V 3V 3.3 V
6
MIXERS
2.1 2.1
8.0
6.0
4.0
Noise Figure (dB)
IIP3 (dBm)
1.1
1.3
1.5
1.7
1.9
VGC (V)
VGC (V)
PCS Gain Driver @ 2.7 V
10.0 Gain, -30 Gain, 25 5.0 Gain, 85 10.0 12.0 IIP3, -30 IIP3, 25 IIP3, 85
PCS IIP3 Driver @ 2.7 V
0.0
8.0
-5.0
IIP3 (dBm)
0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
Gain (dB)
6.0
-10.0
4.0
-15.0
2.0
-20.0
0.0 0.7 0.9 1.1 1.3 1.5 1.7 1.9
VGC (V)
VGC (V)
Rev A1 010717
6-51
RF2643
PCS Noise Figure Driver @ 2.7 V
18.0 NF, -30 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 NF, 25 NF, 85
Preliminary
Noise Figure (dB)
6
MIXERS
VGC (V)
6-52
Rev A1 010717

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