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High-Gain Broadband RF Amplifier
600MHz to 4200MHz
F0424
Datasheet
Description
The F0424 is a 600MHz to 4200MHz SiGe High-Gain Broadband
RF Amplifier. The combination of low noise figure (NF) and high
linearity performance allows the device to be used in both receiver
and transmitter applications.
The F0424 is designed to operate with a single 5V or 3.3V power
supply using a nominal 70mA of ICC. With a supply voltage of 5V,
the F0424 provides 17.3dB gain with +40dBm OIP3 and 2.3dB
noise figure at 2600MHz.
The device is packaged in a 2 2 mm, 8-pin Thin DFN with 50Ω
single-ended RF input and output impedances for ease of
integration into the signal path.
Competitive Advantage
High Gain
Broadband
STBY Feature
Superior Reliability versus GaAs
Typical Applications
4G TDD and FDD Base Stations
2G/3G Base Stations
Repeaters and DAS
Point-to-Point Infrastructure
Public Safety Infrastructure
Military Handhelds
Table 1.
Part
Number
F0424
Typical Values
Frequency
(MHz)
Gain
(dB)
600 to 4200 17.3
NF OIP3
(dB) (dBm)
2.3 +40
Features
RF Range: 600MHz to 4200MHz
Noise Figure = 2.3dB at 2600MHz
Gain = 17.3dB at 2600MHz
OIP3 = +40dBm at 2600MHz
Output P1dB = +21dBm at 2600MHz
Near-Constant Gain versus Temperature
3.3V or 5V Power Supply
ICC = 70mA
2mA Standby Current
350mW Typical DC Power at 5V Supply
50Ω Input and Output Impedances
Operating Temperature (TEPAD) Range: -40°C to +105°C
2 2 mm, 8-DFN Package
Block Diagram
Figure 1. Block Diagram
RFIN
Bias
RFOUT
© 2019 Integrated Device Technology, Inc.
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March 7, 2019

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F0424 Datasheet
Contents
Description.............................................................................................................................................................................................................1
Competitive Advantage .........................................................................................................................................................................................1
Typical Applications...............................................................................................................................................................................................1
Features ................................................................................................................................................................................................................1
Block Diagram .......................................................................................................................................................................................................1
Pin Assignments....................................................................................................................................................................................................5
Pin Descriptions.....................................................................................................................................................................................................5
Absolute Maximum Ratings...................................................................................................................................................................................6
Recommended Operating Conditions ...................................................................................................................................................................6
Electrical Characteristics .......................................................................................................................................................................................7
Electrical Characteristics .......................................................................................................................................................................................8
Thermal Characteristics.........................................................................................................................................................................................9
Typical Operating Conditions (TOC) .....................................................................................................................................................................9
Typical Performance Characteristics...................................................................................................................................................................10
Typical Performance Characteristics...................................................................................................................................................................11
Typical Performance Characteristics...................................................................................................................................................................12
Typical Performance Characteristics...................................................................................................................................................................13
Typical Performance Characteristics...................................................................................................................................................................14
Typical Performance Characteristics...................................................................................................................................................................15
Typical Application Circuit ...................................................................................................................................................................................16
Evaluation Kit Picture ..........................................................................................................................................................................................17
Evaluation Kit / Applications Circuit .....................................................................................................................................................................18
Applications Information ......................................................................................................................................................................................20
Power Supplies.............................................................................................................................................................................................. 20
Package Outline Drawings ..................................................................................................................................................................................21
Marking Diagram .................................................................................................................................................................................................21
Information...........................................................................................................................................................................................................21
Revision History...................................................................................................................................................................................................22
Figures
Figure 1. Block Diagram .....................................................................................................................................................................................1
Figure 2. Pin Assignments for 2 2 0.75 mm 8-DFN Package Top View...................................................................................................5
Figure 3. Gain versus Temperature (5V Variation) ..........................................................................................................................................10
Figure 4. Gain versus Temperature (3.3V Variation) .......................................................................................................................................10
Figure 5. Gain versus Bias Current (5.0V)........................................................................................................................................................10
Figure 6. Gain versus Bias Current (3.3V)........................................................................................................................................................10
Figure 7. Output IP3 versus Temperature (5V Variation, 70mA) .....................................................................................................................10
Figure 8. Output IP3 versus Temperature (5V Variation, 80mA) .....................................................................................................................10
Figure 9. Output IP3 versus Temperature (3.3V Variation, 70mA) ...................................................................................................................11
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F0424 Datasheet
Figure 10. Output IP3 versus Temperature (3.3V Variation, 40mA) ...................................................................................................................11
Figure 11. Output IP3 versus Bias Current (5.0V) ..............................................................................................................................................11
Figure 12. Output IP3 versus Bias Current (3.3V) ..............................................................................................................................................11
Figure 13. Output 1dB Compression versus Temperature (5V Variation, 70mA) ...............................................................................................11
Figure 14. Output 1dB Compression versus Temperature (3.3V Variation, 70mA) ............................................................................................11
Figure 15. Gain Compression versus Temperature (5V, 0.7GHz, 70mA) ..........................................................................................................12
Figure 16. Phase Compression versus Temperature (5V, 0.7GHz, 70mA)........................................................................................................12
Figure 17. Gain Compression versus Temperature (5V, 1.9GHz, 70mA) ..........................................................................................................12
Figure 18. Phase Compression versus Temperature (5V, 1.9GHz, 70mA)........................................................................................................12
Figure 19. Gain Compression versus Temperature (5V, 2.6GHz, 70mA) ..........................................................................................................12
Figure 20. Phase Compression versus Temperature (5V, 2.6GHz, 70mA)........................................................................................................12
Figure 21. Gain Compression versus Temperature (5V, 3.5GHz, 70mA) ..........................................................................................................13
Figure 22. Phase Compression versus Temperature (5V, 3.5GHz, 70mA)........................................................................................................13
Figure 23. Gain Compression versus Temperature (5V, 4.1GHz, 70mA) ..........................................................................................................13
Figure 24. Phase Compression versus Temperature (5V, 4.1GHz, 70mA)........................................................................................................13
Figure 25. Gain Compression versus Temperature (3.3V, 2.6GHz, 70mA) .......................................................................................................13
Figure 26. Phase Compression versus Temperature (3.3V, 2.6GHz, 70mA).....................................................................................................13
Figure 27. RFIN Return Loss versus Temperature (5V Variation)......................................................................................................................14
Figure 28. RFIN Return Loss versus Temperature (3.3V Variation)...................................................................................................................14
Figure 29. RFOUT Return Loss versus Temperature (5V Variation)..................................................................................................................14
Figure 30. RFOUT Return Loss versus Temperature (3.3V Variation)...............................................................................................................14
Figure 31. Reverse Gain versus Temperature (5V Variation).............................................................................................................................14
Figure 32. Stability Factor for Various Currents (3.3V, 5.0V, -40°C, R8=1K) .....................................................................................................14
Figure 33. Turn-on Time (3.3V) ..........................................................................................................................................................................15
Figure 34. Turn-on Time (5.0V) ..........................................................................................................................................................................15
Figure 35. Noise Figure versus Temperature (5.0V Variation) ...........................................................................................................................15
Figure 36. Noise Figure versus Temperature (3.3V Variation) ...........................................................................................................................15
Figure 37. Noise Figure versus Current (5.0V Variation)...................................................................................................................................15
Figure 38. Noise Figure versus Current (3.3V Variation)...................................................................................................................................15
Figure 39. Electrical Schematic ..........................................................................................................................................................................16
Figure 40. Evaluation Kit Top View..................................................................................................................................................................17
Figure 41. Evaluation Kit Bottom View.............................................................................................................................................................17
Figure 42. Electrical Schematic for Evaluation Board.........................................................................................................................................18
Figure 43. Control Pin Interface for Signal Integrity.............................................................................................................................................20
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F0424 Datasheet
Tables
Table 1. Typical Values .....................................................................................................................................................................................1
Table 2. Pin Descriptions...................................................................................................................................................................................5
Table 3. Absolute Maximum Ratings.................................................................................................................................................................6
Table 4. Recommended Operating Conditions..................................................................................................................................................6
Table 5. Electrical Characteristics 5V Supply Voltage....................................................................................................................................7
Table 6. Electrical Characteristics 3.3V Supply Voltage.................................................................................................................................8
Table 7. Package Thermal Characteristics........................................................................................................................................................9
Table 8. Bill of Material (BOM) ........................................................................................................................................................................19
Table 9. RSET Biasing Resistor for Various Bias Currents (5V, 3.3V Supply) ................................................................................................19
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Pin Assignments
Figure 2. Pin Assignments for 2 2 0.75 mm 8-DFN Package Top View
F0424 Datasheet
VCC 1
RFIN 2
NC 3
RSET 4
8 i.c.
7 RFOUT
6 STBY
GND
5 RDSET
Pin Descriptions
Table 2. Pin Descriptions
Number
Name
Description
1 VCC Power supply. The bypass capacitor must be as close to the pin as possible.
2 RFIN RF input internally matched to 50Ω. An external DC block is required.
3
NC
No connection. This pin can be left unconnected, connected to VCC, or connected to GND. IDT
recommends connecting it to GND.
4 RSET Main amplifier current bias setting resistor. Connect to GND.
5 RDSET Distortion amplifier current bias setting resistor. Connect to GND.
6
STBY
Standby. If this pin is not connected or is logic LOW, the device will operate under its normal operating
condition. If this pin is logic HIGH, the F0424 will be in STBY Mode.
7 RFOUT RF output internally matched to 50Ω. An external DC block is required.
8 i.c. Connect this pin directly to ground.
EPAD
Exposed pad. This pad is internally connected to GND. Solder this exposed pad to a printed circuit board
(PCB) pad that uses multiple ground vias to provide heat transfer out of the device into the PCB ground
planes. These multiple ground vias are also required to achieve the specified RF performance.
© 2019 Integrated Device Technology, Inc.
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March 7, 2019