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50Ω SE-In – 100Ω DIFF-Out
Amplifier 3.0GHz to 4.2GHz
F1129MB
Datasheet
Description
The F1129MB is a single-ended input / differential output 3GHz to
4.2GMHz high gain RF amplifier. The combination of impedance
translation, high gain, high linearity, and low noise performance
makes this device an ideal amplifier for a variety of receiver
applications.
The F1129MB has been optimized to operate with a single 5V
power supply and a nominal 60mA of ICC. When operated at
3.55GHz, the F1129MB provides 19dB typical gain with 1.8dB
noise figure and +32dBm OIP3.
The F1129MB is pin-compatible with Renesas’ F1129xx family of
RF amplifiers, offering additional frequency and output impedance
options. Each F1129 variant is packaged in a 2 × 2 mm, 12-pin
DFN, with a 50Ω single-ended RF input and 50Ω or 100Ω
differential RF output impedances for ease of integration into the
signal-path.
F1129xx Base
Part Number
F1129LA
F1129LB
F1129MA
F1129MB
F1129HA
F1129HB
Differential Output Frequency Frequency
Impedance
Band
Coverage
50Ω
100Ω
Low
1.4GHz to
3.2GHz
50Ω
100Ω
Mid
3.0GHz to
4.2GHz
50Ω
100Ω
High
4.0GHz to
6.0GHz
Competitive Advantage
High gain
Excellent gain flatness over frequency
Outstanding gain variance over temperature
STBY feature
Differential output to directly drive transceiver inputs
Typical Applications
5G / Massive MIMO Base Stations
4G TDD and FDD Base Stations
2G/3G Base Stations
Repeaters and DAS
Point to Point Infrastructure
Public Safety Infrastructure
Military Handhelds
Features
RF range: 3.0GHz to 4.2GHz
Gain = 19dB at 3.55GHz
Noise figure = 1.8dB at 3.55GHz
OIP3 = +32dBm at 3.55GHz
Output P1dB = +18dBm at 3.55GHz
Gain variation over temperature = ±0.15dB typical
50Ω single-ended input impedances
100Ω differential output impedances
3.3V or 5V power supply
ICC = 60mA at 5V
1.3mA standby current
1.8V and 3.3V logic support for STBY control
Operating temperature (TEP) range: -40°C to +115°C
2 × 2 mm, 12-DFN package
Block Diagram
Figure 1. F1129MB Block Diagram
RF_IN
F1129MB
Bias
RF_OUT +
RF_OUT -
Bias and Control
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F1129MB Datasheet
Contents
Pin Assignments....................................................................................................................................................................................................4
Pin Descriptions.....................................................................................................................................................................................................4
Absolute Maximum Ratings...................................................................................................................................................................................5
Recommended Operating Conditions ...................................................................................................................................................................5
Electrical Characteristics - 5V Supply....................................................................................................................................................................6
Electrical Characteristics - 3.3V Supply.................................................................................................................................................................9
Thermal Characteristics.......................................................................................................................................................................................11
Typical Operating Conditions (TOC) ...................................................................................................................................................................11
Typical 5V Performance Characteristics..............................................................................................................................................................12
Typical 3.3V Performance Characteristics...........................................................................................................................................................14
Evaluation Kit Picture ..........................................................................................................................................................................................16
Evaluation Kit Circuit ...........................................................................................................................................................................................17
Application Information........................................................................................................................................................................................18
Power Supplies...........................................................................................................................................................................................18
Package Outline Drawings ..................................................................................................................................................................................19
Marking Diagram .................................................................................................................................................................................................19
Ordering Information............................................................................................................................................................................................19
Revision History...................................................................................................................................................................................................19
List of Figures
Figure 1. F1129MB Block Diagram.....................................................................................................................................................................1
Figure 2. F1129MB Pin Assignments for 2 × 2 × 0.75 mm 12-DFN Package – Top View .................................................................................4
Figure 3. Gain...................................................................................................................................................................................................12
Figure 4. Reverse Isolation...............................................................................................................................................................................12
Figure 5. Input Return Loss ..............................................................................................................................................................................12
Figure 6. Output Return Loss ...........................................................................................................................................................................12
Figure 7. Output IP3 .........................................................................................................................................................................................12
Figure 8. Output P1dB......................................................................................................................................................................................12
Figure 9. Noise Figure ......................................................................................................................................................................................13
Figure 10. Amplitude Imbalance .........................................................................................................................................................................13
Figure 11. Phase Imbalance...............................................................................................................................................................................13
Figure 12. CMR ..................................................................................................................................................................................................13
Figure 13. Gain...................................................................................................................................................................................................14
Figure 14. Reverse Isolation...............................................................................................................................................................................14
Figure 15. Input Return Loss ..............................................................................................................................................................................14
Figure 16. Output Return Loss ...........................................................................................................................................................................14
Figure 17. Output IP3 .........................................................................................................................................................................................14
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F1129MB Datasheet
Figure 18. Output P1dB......................................................................................................................................................................................14
Figure 19. Noise Figure ......................................................................................................................................................................................15
Figure 20. Amplitude Imbalance .........................................................................................................................................................................15
Figure 21. Phase Imbalance...............................................................................................................................................................................15
Figure 22. CMR ..................................................................................................................................................................................................15
Figure 23. Top View............................................................................................................................................................................................16
Figure 24. Bottom View ......................................................................................................................................................................................16
Figure 25. Evaluation Kit Electrical Schematic ...................................................................................................................................................17
Figure 26. Control Pin Interface Schematic ........................................................................................................................................................18
List of Tables
Table 1. Pin Descriptions...................................................................................................................................................................................4
Table 2. Absolute Maximum Ratings.................................................................................................................................................................5
Table 3. Recommended Operating Conditions .................................................................................................................................................5
Table 4. Electrical Characteristics with a 5V Supply..........................................................................................................................................6
Table 5. Electrical Characteristics with a 3.3V Supply.......................................................................................................................................9
Table 6. Package Thermal Characteristics......................................................................................................................................................11
Table 7. Evaluation Kit Bill of Material (BOM) .................................................................................................................................................17
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F1129MB Datasheet
Pin Assignments
Figure 2. F1129MB Pin Assignments for 2 × 2 × 0.75 mm 12-DFN Package – Top View
NC 1
RF_IN 2
NC 3
NC 4
10 NC
9 RF_OUT-
8 RF_OUT+
EP
7 NC
Pin Descriptions
Table 1. Pin Descriptions
Number
1, 3, 4, 5, 7,
10
2
6
8
9
11
12
Name
NC
RF_IN
STBY
RF_OUT+
RF_OUT-
VCC_1
VCC_2
EPAD
Description
No internal connection. It is highly recommended that these pins be connected to a ground via which is located
as close to each pin as possible.
Single ended RF Input. Must use external DC block.
Standby. If the pin is not connected or is logic LOW, the device will operate under its normal operating
condition. Apply a logic HIGH for STBY.
Differential RF Output +. Internally tied to ground. Recommended to use an external DC block to prevent
shorting of any DC voltage that may be present on the following RF stage.
Differential RF Output -. Internally tied to ground. Recommended to use an external DC block to prevent
shorting of any DC voltage that may be present on the following RF stage.
Connect to supply voltage via choke. An external bypass capacitor must be placed as close to the pin as
possible.
Connect to VCC. An external bypass capacitor must be placed as close to the pin as possible.
Exposed paddle. Internally connected to ground. Solder this exposed paddle 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.
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F1129MB Datasheet
Absolute Maximum Ratings
The absolute maximum ratings are stress ratings only. Stresses greater than those listed below can cause permanent damage to the device.
Functional operation of the F1129MB at absolute maximum ratings is not implied. Exposure to absolute maximum rating conditions may affect
device reliability.
Table 2. Absolute Maximum Ratings
Parameter
Symbol
Minimum
Maximum
VCC_1, VCC_2 to GND
VCC -0.3
+5.5
STBY
VSTBY
-0.3
Lower of (5V,
VCC + 0.25V)
RF Input Power Applied for 24 Hours Maximum
(VCC applied, f = 3.6GHz, TEP = +115°C, and input / output VSWR = 1:1 based
on a 100Ω system.) [b]
PMAX24
+20
Storage Temperature Range
TSTOR
-65
+150
Lead Temperature (soldering, 10s)
TLEAD
+260
Electrostatic Discharge – HBM
VESDHBM
500
Electrostatic Discharge – CDM
VESDCDM
1500
[a] Exposure to these maximum RF levels can result in significant VCC current draw due to overdriving the amplifier stages.
[b] Tested using an external 2:1 transformer at the RF output.
Units
V
V
dBm
°C
°C
V
V
Recommended Operating Conditions
Table 3. Recommended Operating Conditions
Parameter
Symbol
Condition
Minimum Typical Maximum Units
Power Supply Voltage [a]
VCC VCC pins
4.75 5.25 V
Operating Temperature Range
TEP Exposed paddle temperature
-40
+115 °C
Junction Temperature
TJMAX
150 °C
RF Frequency Range [b]
fRF
3.0 4.2 GHz
RF_IN Source Impedance
ZRF_IN
Single-ended
50
RF_OUT Load Impedance
ZRF_OUT Differential
100
[a] Although the device will operate with a minimum supply voltage of 3.15V, the performance of the device has been optimized to operate within
a supply voltage range of 4.75V to 5.25V.
[b] To optimize RF performance, different matching components might be used as described in the BOM.
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