ar112298 - ampleon · 2021. 2. 3. · ar112298 clf1g0035-50, 500-2500mhz. v2.0 12 april 2016...

AR112298 CLF1G0035-50, 500-2500MHz.

V2.0 12 April 2016 Application Report

Document information

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Status Ampleon Internal

Author(s) Bob Bartola

Abstract RF Performance CLF1G0035-50; 500-2500 MHz; Board 1787

AR112298 CLF1G0035-50 500-2500 MHz

ARYYS### All information provided in this document is subject to legal disclaimers. © Ampleon Netherlands B.V. 2016. All rights reserved.

Application_Report V2.0 12-04-2016 2 of 25

1 Revision History

Table 1. Report revisions

Revision No. Date Description Author

1.0 20091120 Initial document Richard Keenan

2.0 20160412 Update to Ampleon Template Bob Bartola

2 Contents

1 Revision History ................................................................................................................................................ 2 2 Contents ............................................................................................................................................................. 2 3 List of Figures.................................................................................................................................................... 3 4 List of Tables ..................................................................................................................................................... 3 5 General Description .......................................................................................................................................... 4 6 Test Bench Set Up ............................................................................................................................................ 5 7 RF Performance ................................................................................................................................................ 6 8 Measurement Results ....................................................................................................................................... 7 8.1 CW – Power and Frequency Sweeps ............................................................................................................. 7 8.2 Pulsed CW – Power and Frequency Sweeps ............................................................................................... 11 8.3 2-Tone Intermodulation Distortion – Power and Frequency Sweeps ........................................................... 15 8.4 Network Analyzer Sweeps ............................................................................................................................ 18 9 PCB Layout ...................................................................................................................................................... 19 9.1 PCB Layout drawing ...................................................................................................................................... 19 9.2 GaN Amplifier Schematic .............................................................................................................................. 20 9.3 Component list ............................................................................................................................................... 21 9.4 Bias Module Schematic……………………………………………………………………………………………..22 9.4 Board photograph .......................................................................................................................................... 23 9.5 Device markings ............................................................................................................................................ 24 10 Legal Information ............................................................................................................................................ 25 10.1 Contact information ....................................................................................................................................... 25

AR112298 CLF1G0035-50 500-2500 MHz



3 List of Figures

Figure 1: Board 1787 Connections .............................................................................................................................. 4 Figure 2.Test Bench Equipment set up ....................................................................................................................... 5 Figure 3. Peak Power and Efficiency as a function of frequency. ............................................................................... 7 Figure 4. Gain and Efficiency as a function of output power ....................................................................................... 8 Figure 5. Gain and Efficiency as a function of frequency at 50W CW output power. ................................................. 9 Figure 6. Gain and Efficiency as a function of frequency at 10W CW output power. ............................................... 10 Figure 7. Pulsed Pk. Pwr. and Efficiency as a function of frequency. ....................................................................... 11 Figure 8. Gain and Efficiency as a function of Pout. .................................................................................................. 12 Figure 9. Gain and Efficiency as a function of frequency at 50W pulsed output power. .......................................... 13 Figure 10. Gain and Efficiency as a function of frequency at 10W pulsed output power. ........................................ 14 Figure 11. 2-tone IMD3 as a function of frequency @ Pout=10W PEP, Idq=275mA. .............................................. 15 Figure 12. 2-tone IMD3 as a function of Output Power, Idq=150mA. ....................................................................... 16 Figure 13. 2-tone IMD3 as a function of Output Power, Idq=275mA. ....................................................................... 17 Figure 14. Small Signal Gain (Pin +10dBm.) ............................................................................................................. 18 Figure 15. Input Return Loss as a function of frequency (Pin=+10dBm.) ................................................................. 18 Figure 16. PCB Layout ............................................................................................................................................... 19 Figure 17. GaN Amplifier Schematic .......................................................................................................................... 20 Figure 18. Bias Module Schematic ............................................................................................................................ 22 Figure 19. Board # 1787 Photo .................................................................................................................................. 23

4 List of Tables

Table 1. Report revisions ............................................................................................................................................. 2 Table 2. RF Performance ............................................................................................................................................. 6 Table 3. Peak Power & Efficiency - CW ...................................................................................................................... 7 Table 4. Gain and Efficiency @ Peak Power-CW ....................................................................................................... 8 Table 5. Gain and Efficiency-CW ................................................................................................................................. 9 Table 6. Gain & Efficiency @ 10W - CW ................................................................................................................... 10 Table 7. P-3db. & Efficiency- Pulsed CW .................................................................................................................. 11 Table 8. Gain & Efficiency- Pulsed ............................................................................................................................ 12 Table 9. Gain & Efficiency @ 50W Pout- pulsed CW ................................................................................................ 13 Table 10. Gain and Efficiency – Pulsed CW .............................................................................................................. 14 Table 11. GaN amplifier Bill of Materials ................................................................................................................... 21 Table 12. Board Specifications .................................................................................................................................. 24 Table 13. Device Specifications ................................................................................................................................. 24

AR112298 CLF1G0035-50 500-2500 MHz



5 General Description

This document describes a broadband amplifier based on one of NXP’s new GaN HEMT device, CLF1G0035-50, which delivers more than 50W from 500-2500MHz.

Figure 1: Board 1787 Connections

+50 VDC

Ground

RF Input RF Output

AR112298 CLF1G0035-50 500-2500 MHz



6 Test Bench Set Up

Figure 2.Test Bench Equipment set up

CW and Pulsed (Pulsed continuous wave with 10% duty cycle, 100 μS. pulse width)

2Tone 10KHz, 30KHz, 100KHz, 300KHz, 1MHz, and 3MHz tone spacing.

** Ophir driver amplifier used for 500-1000MHz measurements and Mini-Circuits ZHL-4240W driver amplifier used for 1050-2500 measurements.

AR112298 CLF1G0035-50 500-2500 MHz



7 RF Performance

Table 2. RF Performance

Symbol Parameter CW

Pulsed CW

Unit

VDS power supply 50 50 V

f frequency 500-2500 500-2500 MHz

IBDq B quiescent current 150 150 mA

GBP B power gain @50W 14 15 dB

Gflatness Gain flatness 2 2 dB

PkPwr output peak power ** ≥ 50 typ. ≥ 55 typ. W

Eff(PkPwr) B efficiency at PkPwr 45 45 %

Eff(50W)B efficiency at 50W 45 45 %

**CW peak power measured at positive gate current. Pulsed peak power measured at 3dB compression

AR112298 CLF1G0035-50 500-2500 MHz



8 Measurement Results

8.1 CW – Power and Frequency Sweeps

VDS = 50.0V, IBdq B=150 mA,

8.1.1 Peak Power & Efficiency – CW

Table 3. Peak Power & Efficiency - CW

*CW peak power measured at positive gate current

Figure 3. Peak Power and Efficiency as a function of frequency.

Frequency [MHz] Peak Power [W]* Efficiency [%]

500 53.0 66.2

1500 59.4 46.0

2500 61.0 49.2

Peak Power/Eff. CLF1G0035-50 Bd #1787 500-2500 MHz GaN Amplifier

AR112298 CLF1G0035-50 500-2500 MHz



8.1.2 Gain & Efficiency ‐ CW

Table 4. Gain and Efficiency @ Peak Power-CW

Figure 4. Gain and Efficiency as a function of output power

Frequency [MHz] Gain [dB] @ Pk. Pwr. Efficiency [%] @ Pk.Pwr.

600 10.9 60.0

1500 11.7 46.1

2400 10.2 49.0

Gain/ Eff. vs. Pout CLF1G0035-50 Bd #1787 500-2500 MHz GaN

AR112298 CLF1G0035-50 500-2500 MHz



8.1.3 Gain & Efficiency @ 50W ‐ CW

Table 5. Gain and Efficiency-CW

Figure 5. Gain and Efficiency as a function of frequency at 50W CW output power.

Frequency [MHz] Gain [dBm] @50W Efficiency [%] @ 50W

600 12.7 60.3

1500 13.3 43.1

2400 12.5 46.7

Gain/ Eff.@ 50W CLF1G0035-50 Bd #1787 500-2500 MHz GaN Amplifier

AR112298 CLF1G0035-50 500-2500 MHz



8.1.4 Gain & Efficiency @ 10W ‐ CW

Table 6. Gain & Efficiency @ 10W - CW

Figure 6. Gain and Efficiency as a function of frequency at 10W CW output power.


600 15.2 29.2

1500 15.8 21.1

2400 14.1 21.9

Gain/ Eff. @ 10W CLF1G0035-50 Bd #1787 500-2500 MHz GaN Amplifier

AR112298 CLF1G0035-50 500-2500 MHz



8.2 Pulsed CW – Power and Frequency Sweeps

VDS = 50.0V, IBDq B=150 mA,

8.2.1 P3dB & Efficiency ‐ Pulsed CW (10% duty cycle, 100usec. pulse width)

Table 7. P-3db. & Efficiency- Pulsed CW

Figure 7. Pulsed Pk. Pwr. and Efficiency as a function of frequency.

Frequency [MHz] P-3dB [W] Efficiency [%]

500 53.5 66.5

1500 61.1 46.7

2500 62.2 50.4

Peak Power/ Eff. CLF1G0035-50 Bd #1787 500-2500 MHz GaN Amplifier

AR112298 CLF1G0035-50 500-2500 MHz



8.2.2 Gain & Efficiency ‐ Pulsed CW (10% duty cycle, 100usec. pulse width)

Table 8. Gain & Efficiency- Pulsed

Figure 8. Gain and Efficiency as a function of Pout.

Frequency [MHz] Gain [dB] @ P-3dB Efficiency [%] @ P-3dB

600 12.2 61.8

1500 13.1 46.8

2400 11.6 49.7

Gain/ Eff. vs. Pout CLF1G0035-50 Bd #1787 500-2500 MHz GaN Amplifier

AR112298 CLF1G0035-50 500-2500 MHz



8.2.3 Gain & Efficiency @ 50W ‐ Pulsed CW (10% duty cycle, 100usec. pulse width)

Table 9. Gain & Efficiency @ 50W Pout- pulsed CW

Figure 9. Gain and Efficiency as a function of frequency at 50W pulsed output power.


600 13.5 60.7

1500 15.0 43.0

2400 13.9 47.7


AR112298 CLF1G0035-50 500-2500 MHz



8.2.4 Gain & Efficiency @ 10W ‐ Pulsed CW (10% duty cycle, 100usec. pulse width)

Table 10. Gain and Efficiency – Pulsed CW

Figure 10. Gain and Efficiency as a function of frequency at 10W pulsed output power.


600 15.4 29.7

1500 16.5 21.3

2400 14.7 22.3


AR112298 CLF1G0035-50 500-2500 MHz



8.3 2-Tone Intermodulation Distortion – Power and Frequency Sweeps

VDS = 50.0V

8.3.1 2‐tone IMD3 Frequency Sweep

Figure 11. 2-tone IMD3 as a function of frequency @ Pout=10W PEP, Idq=275mA.

CLF1G0035-50 Bd #1787 500-2500 MHz 50W GaN Amplifier

AR112298 CLF1G0035-50 500-2500 MHz



8.3.2 2‐Tone IMD3 Power Sweep

Figure 12. 2-tone IMD3 as a function of Output Power, Idq=150mA.


AR112298 CLF1G0035-50 500-2500 MHz



Figure 13. 2-tone IMD3 as a function of Output Power, Idq=275mA.


AR112298 CLF1G0035-50 500-2500 MHz



8.4 Network Analyzer Sweeps

8.4.1 CW Freq. Sweep @ Pin=10dBm

Figure 14. Small Signal Gain (Pin +10dBm.)

Figure 15. Input Return Loss as a function of frequency (Pin=+10dBm.)

AR112298 CLF1G0035-50 500-2500 MHz



9 PCB Layout

9.1 PCB Layout drawing

Figure 16. PCB Layout

** L2 Set by turning clockwise until stops and then counter clockwise 3 full turns.

AR112298 CLF1G0035-50 500-2500 MHz



9.2 GaN Amplifier Schematic

Figure 17. GaN Amplifier Schematic

Q1 CLF1G0035-50

AR112298 CLF1G0035-50 500-2500 MHz



9.3 Component list

Table 11. GaN amplifier Bill of Materials

Component Description Value Remarks

A1 GaN bias module v1 - Ampleon

C1 Capacitor, 250V ±0.1pF NP0 1.5pF ATC 600F1R5BT

C3,C6 Capacitor, 250V ±0.1pF NP0 1.2pF ATC 600F1R2BT

C4 Capacitor, 250V ±0.25pF NP0 5.6pF ATC 600F5R6CT



C8 Capacitor, 250V 5% NP0 20pF ATC 600F200JT

C9 Capacitor, air piston trimmer 1-4pF Tronser 66-0304-00004-000

C10 Capacitor, 50V 10% X7R, 0805 10nF Generic

C11 Capacitor, 100V 5% NP0, 0805 22pF Generic

C12 Capacitor, 100V 5% NP0, 0805 1nF Generic

C13 Capacitor, 50V 10% X7R, 0805 100nF Generic

C20 Capacitor, 50V 10% NP0 1nF ATC 100B102KW

C21 Capacitor, 500V 5% NP0 100pF ATC 100B101JW

C22,C26 Capacitor, 200V 5% NP0, 1210 10nF Generic

C23 Capacitor, 100V 10% X7S, 2220 10uF TDK C5750X7S2A106M

C25 Capacitor, 100V 10% X7R, 1206 1uF Generic

C27 Capacitor, 63V, alum elec 470uF Panasonic EEE-TK1J471AM

L1 Inductor, air core SMD 12.5nH Coilcraft A04T

L2 Inductor, 1T 20 AWG 2.5mm ID 4nH

L3 Ferrite bead, 5A - Fair-Rite 2743019447

Q1 Transistor, 50W 3GHz GaN HEMT - Ampleon CLF1G0035-50

Q2 Transistor, PNP 45V 100mA GP - NXP BC857B

Q3 Transistor, N-ch MOS 80V 80A - NXP BSMN8R2-80YS

R1 Resistor, 1% 100ppm CF, 0805 10.0 Generic

R3,R4 Resistor, 5% 100ppm CF, 2512 100 Generic

AR112298 CLF1G0035-50 500-2500 MHz



9.4 Bias Module Schematic

Figure 18. Bias Module Schematic

AR112298 CLF1G0035-50 500-2500 MHz



9.4 Board photograph

Figure 19. Board # 1787 Photo

AR112298 CLF1G0035-50 500-2500 MHz



Table 12. Board Specifications

Parameter Value

Manufacturer Taconic

Type RF35 30 mils

Thickness 1oz. copper

Layers 2, top/bottom. Bottom all copper

9.5 Device markings

Table 13. Device Specifications

Parameter Value

Manufacturer Ampleon

Device CLF1G0035-50 (soldered down)

Package SOT1242C

Production Code D113305

AR112298 CLF1G0035-50 500-2500 MHz



10 Legal Information

Definitions Draft — The document is a draft version only. The content is still under

internal review and subject to formal approval, which may result in

modifications or additions. Ampleon does not give any representations or

warranties as to the accuracy or completeness of information included

herein and shall have no liability for the consequences of use of such information.

Disclaimers Limited warranty and liability — Information in this document is

believed to be accurate and reliable. However, Ampleon does not give

any representations or warranties, expressed or implied, as to the

accuracy or completeness of such information and shall have no liability for the consequences of use of such information. Ampleon takes no

responsibility for the content in this document if provided by an information

source outside of Ampleon.

In no event shall Ampleon be liable for any indirect, incidental, punitive,

special or consequential damages (including - without limitation - lost

profits, lost savings, business interruption, costs related to the removal or

replacement of any products or rework charges) whether or not such

damages are based on tort (including negligence), warranty, breach of

contract or any other legal theory.

Notwithstanding any damages that customer might incur for any reason

whatsoever, Ampleon’ aggregate and cumulative liability towards

customer for the products described herein shall be limited in accordance

with the Terms and conditions of commercial sale of Ampleon.

Right to make changes — Ampleon reserves the right to make changes to information published in this document, including without limitation

specifications and product descriptions, at any time and without notice.

This document supersedes and replaces all information supplied prior to

the publication hereof.

Suitability for use — Ampleon products are not designed, authorized or

warranted to be suitable for use in life support, life-critical or safety-critical

systems or equipment, nor in applications where failure or malfunction of

an Ampleon product can reasonably be expected to result in personal

injury, death or severe property or environmental damage. Ampleon and its suppliers accept no liability for inclusion and/or use of Ampleon

products in such equipment or applications and therefore such inclusion

and/or use is at the customer’s own risk.

Applications — Applications that are described herein for any of these products are for illustrative purposes only. Ampleon makes no

representation or warranty that such applications will be suitable for the

specified use without further testing or modification.

Customers are responsible for the design and operation of their

applications and products using Ampleon products, and Ampleon accepts

no liability for any assistance with applications or customer product

design. It is customer’s sole responsibility to determine whether the

Ampleon product is suitable and fit for the customer’s applications and

products planned, as well as for the planned application and use of customer’s third party customer(s). Customers should provide appropriate

design and operating safeguards to minimize the risks associated with

their applications and products.

Ampleon does not accept any liability related to any default, damage,

costs or problem which is based on any weakness or default in the customer’s applications or products, or the application or use by

customer’s third party customer(s). Customer is responsible for doing all

necessary testing for the customer’s applications and products using

Ampleon products in order to avoid a default of the applications and the products or of the application or use by customer’s third party

customer(s). Ampleon does not accept any liability in this respect.

Export control — This document as well as the item(s) described herein

may be subject to export control regulations. Export might require a prior

authorization from competent authorities.

Trademarks Notice: All referenced brands, product names, service names and

trademarks are the property of their respective owners.

Any reference or use of any ‘NXP’ trademark in this document or in or on

the surface of Ampleon products does not result in any claim, liability or entitlement vis-à-vis the owner of this trademark. Ampleon is no longer

part of the NXP group of companies and any reference to or use of the

‘NXP’ trademarks will be replaced by reference to or use of Ampleon’s

own trademarks.

10.1 Contact information

For more information, please visit: http://www.ampleon.com

For sales office addresses, please visit: http://www.ampleon.com/sales

ar112298 - ampleon · 2021. 2. 3. · ar112298 clf1g0035-50, 500-2500mhz. v2.0 12 april 2016...

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