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Achyuta Naga M
Objective
To technically contribute to the design and validation of hardware boards that has scope for innovation
and automation.
Texas Instruments: 2016 Sep to Present
Analog & Mixed signal IC Test engineer.
Qualcomm India: 2015 Dec to 2016 Sep
 As a Hardware Application Engineer in the Qualcomm Innovation Lab, my responsibility is to
support the start-up companies develop solutions using Qualcomm chipset under the “Make In
India” initiative. I provide support in the design of the RF front end systems, testing and trouble-
shooting of WTR and RFFE devices, do system board level schematic and layout reviews and BOM
optimization and address queries on the Qualcomm chipsets.
 I developed a Visual Basic based RF port mapping tool that helps customers to easily map the RF
bands to the WTR chip ports. Due to WTR chip design limitations not all RF band (HB,MB,LB) can
be mapped to the respective ports of the WTR chip. Earlier by way of two documents the
customer had to assign the correct ports. With the tool that I developed this mapping effort is
drastically reduced to less than 10 minutes. It also has the advantage of avoiding manual errors. I
was given Qualstar award by Qualcomm for this automation.
Astra Microwave Products Ltd.: 2010 to 2015
 My role was that of RF Sub-system design engineer. My responsibility was to design & develop the
RF Front end sub-systems for Airborne RADAR applications.
Project : Advanced Quad Channelized Receiver (18-40GHz)
Client : Defense Electronics Research Laboratories.
Description : Channelizes broadband (18-40GHz) into 6 bands then down-converts into
2-6GHz, 750-1250MHz and 140-180MHz.
Accomplishments:
 I designed high efficiency power supply using LDO that reduced the power consumption by 22%
from 55W to 43W. Lower power was a key requirement for airborne platforms.
 By using the Gain distribution theory with the L-C-H approach I reduced the spurious emission
issue from -30dBc to -40dBc.
Email: achyuta.ew@gmail.com
Contact: 9553136987
OBJECTIVE
PROFESSIONAL EXPERIENCE
Project : Extended Dynamic Log Video Amplifier (2-18GHz)
Client : Bharat Electronic Limited.
Description : Converts RF power into the DC voltage levels by maintaining high linearity over
the range of -66 to 0dBm. This Sub-system is used to finding the direction of arrival of the TARGET
based on the received signal strength.
Accomplishments:
 EDLVA is operated by +VE and –VE supply. In order to operate the System in safe mode, it is
mandatory to enable -VE supply first and then +VE supply. I designed a sequence enabling circuit
that controls the power supply in the receiver. It Enables –VE supply first and then +VE supply. In
case of absence of –VE supply it automatically shut downs the +VE supply. Earlier 80 out of 100
receivers failed due to the improper supply sequencing. After the implementation of this circuit
there were NO failures in Field.
 Due to the design limitation of EDLVA, meeting Accuracy and Linearity specification was a tough
challenge. I came up with an idea to improve the design to meet high accuracy specification by
utilizing the curve transfer techniques to linearize the curve. This design approach requires
complex mathematical analysis so I developed a tool called CADAT (Computerized Advanced DLVA
Designing and Tuning). This tool can design the ADLVA circuit based on the requirement given by
the user. With this tool the design cycle time reduced from 1 day to 1 hour. The accuracy achieved
by this tool was 50% better than the state of art solutions available at that time. This tool won the
1st
place in the Astra Idea Hackathon event. Due to the project priorities this idea was not
implemented in the hardware.
Project : Coarse Direction Finding Receiver (0.4 – 18GHz).
Client : Defense Electronics Research Laboratories.
Description : Converts RF power into the DC voltage levels by maintaining high linearity over the range
of 0.4 – 18 GHz and -60 to 0dBm power. This Sub-system is used to finding the direction of arrival of the
TARGET based on the received signal strength.
Accomplishments:
 This receiver system consists of inbuilt LO for BITE option. User can operate the device in two
modes i.e., External RF I/P mode and Internal LO mode by controlling the RF switch. Due to
leakage and poor isolation of the RF switch the LO signal coupled to output when the user
operated the device in External RF I/P mode. I came up with an idea to control the power supply
of the LO with the switch control. In case of RF I/P mode Switch control is ‘1’ and this makes the
LO Power supply off and hence no leakage.
Project : Threshold detector (7.5 – 18 GHz)
Client : BEL
Description : Triggers when the received signal power reaches the threshold value set by the user.
Accomplishments:
 One of the time consuming activity was the design tuning process which involved lots of
calculations and analysis. I developed EXCEL template that automated the design tuning process
and reduced the tuning time.
Project : Phase Measurement unit (750 – 1250 MHz)
Client : DLRL
Description : Measures the phase differences between two signals received from the antenna, and
provides the IQ as output.
Accomplishments:
 Involved from the design level. Tuning Testing and trouble shooting. Involved in CATH tests.
 Board level Analog Circuit Design.
 Design of RF Front-End Receivers.
 High Efficiency Power Supply Design.
 Good in development of Application specific circuit design tools using Microsoft Visual Basic.
 Good in testing & Trouble shooting of the electronic circuits
 Good experience using electronic measuring equipment’s like Signal generators, Spectrum
analyzers, Network analyzers, CRO, Power meter.
Achievements
 Certificate of Appreciation
- Received from Qualcomm CE team for the development of RF Port Mapping Tool.
 Awarded 1st
place in Astra Idea Hackathon event
- Received from Astra Microwave products Ltd for the design of Advanced Detection Log Video
Amplifier
 Certificate of Merit
- Secured 2nd Place for the project of SPACE INFORMATION VEHICLE in ABHIYAN (2010) - A
Grand Technical Symposium organized by the Government Polytechnic, Miraj held at NATIONAL
level in Maharashtra
TECHNICAL SKILLS
ACHIEVEMENTS
Personal Abilities
 Enthusiastic to learn new things
 Interested to complete the work in a simple way.
 Thinking Creatively
Diploma in Electronics & Communication Engineering with an aggregate of 75% from
A.A.N.M & V.V.R.S.R Polytechnic, Gudlavalleru under SBTET, A.P in the year 2010.
 I made “Electric spinning machine” in my 10th
standard. It is electrically operated device that
spins the thread. Earlier Mechanical spinning wheel was used to spin the thread that was labor
intensive.
 I made the demo of Hydro-electric power generation plant in my 6th
grade. I got Merit
certificate in AP tutorials convents Project completion.
Conclusion
I conclude that all the above information is true to the best of my knowledge. I bear the
responsibilities for the above information.
Date: 7th
Nov, 2016.
Place: Bangalore . Achyuta Naga M
QUALIFICATION
HOBBIES
CONCLUSION
PERSONAL ABILITIES

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RF design engineer seeks new challenges

  • 1. Achyuta Naga M Objective To technically contribute to the design and validation of hardware boards that has scope for innovation and automation. Texas Instruments: 2016 Sep to Present Analog & Mixed signal IC Test engineer. Qualcomm India: 2015 Dec to 2016 Sep  As a Hardware Application Engineer in the Qualcomm Innovation Lab, my responsibility is to support the start-up companies develop solutions using Qualcomm chipset under the “Make In India” initiative. I provide support in the design of the RF front end systems, testing and trouble- shooting of WTR and RFFE devices, do system board level schematic and layout reviews and BOM optimization and address queries on the Qualcomm chipsets.  I developed a Visual Basic based RF port mapping tool that helps customers to easily map the RF bands to the WTR chip ports. Due to WTR chip design limitations not all RF band (HB,MB,LB) can be mapped to the respective ports of the WTR chip. Earlier by way of two documents the customer had to assign the correct ports. With the tool that I developed this mapping effort is drastically reduced to less than 10 minutes. It also has the advantage of avoiding manual errors. I was given Qualstar award by Qualcomm for this automation. Astra Microwave Products Ltd.: 2010 to 2015  My role was that of RF Sub-system design engineer. My responsibility was to design & develop the RF Front end sub-systems for Airborne RADAR applications. Project : Advanced Quad Channelized Receiver (18-40GHz) Client : Defense Electronics Research Laboratories. Description : Channelizes broadband (18-40GHz) into 6 bands then down-converts into 2-6GHz, 750-1250MHz and 140-180MHz. Accomplishments:  I designed high efficiency power supply using LDO that reduced the power consumption by 22% from 55W to 43W. Lower power was a key requirement for airborne platforms.  By using the Gain distribution theory with the L-C-H approach I reduced the spurious emission issue from -30dBc to -40dBc. Email: achyuta.ew@gmail.com Contact: 9553136987 OBJECTIVE PROFESSIONAL EXPERIENCE
  • 2. Project : Extended Dynamic Log Video Amplifier (2-18GHz) Client : Bharat Electronic Limited. Description : Converts RF power into the DC voltage levels by maintaining high linearity over the range of -66 to 0dBm. This Sub-system is used to finding the direction of arrival of the TARGET based on the received signal strength. Accomplishments:  EDLVA is operated by +VE and –VE supply. In order to operate the System in safe mode, it is mandatory to enable -VE supply first and then +VE supply. I designed a sequence enabling circuit that controls the power supply in the receiver. It Enables –VE supply first and then +VE supply. In case of absence of –VE supply it automatically shut downs the +VE supply. Earlier 80 out of 100 receivers failed due to the improper supply sequencing. After the implementation of this circuit there were NO failures in Field.  Due to the design limitation of EDLVA, meeting Accuracy and Linearity specification was a tough challenge. I came up with an idea to improve the design to meet high accuracy specification by utilizing the curve transfer techniques to linearize the curve. This design approach requires complex mathematical analysis so I developed a tool called CADAT (Computerized Advanced DLVA Designing and Tuning). This tool can design the ADLVA circuit based on the requirement given by the user. With this tool the design cycle time reduced from 1 day to 1 hour. The accuracy achieved by this tool was 50% better than the state of art solutions available at that time. This tool won the 1st place in the Astra Idea Hackathon event. Due to the project priorities this idea was not implemented in the hardware. Project : Coarse Direction Finding Receiver (0.4 – 18GHz). Client : Defense Electronics Research Laboratories. Description : Converts RF power into the DC voltage levels by maintaining high linearity over the range of 0.4 – 18 GHz and -60 to 0dBm power. This Sub-system is used to finding the direction of arrival of the TARGET based on the received signal strength. Accomplishments:  This receiver system consists of inbuilt LO for BITE option. User can operate the device in two modes i.e., External RF I/P mode and Internal LO mode by controlling the RF switch. Due to leakage and poor isolation of the RF switch the LO signal coupled to output when the user operated the device in External RF I/P mode. I came up with an idea to control the power supply of the LO with the switch control. In case of RF I/P mode Switch control is ‘1’ and this makes the LO Power supply off and hence no leakage.
  • 3. Project : Threshold detector (7.5 – 18 GHz) Client : BEL Description : Triggers when the received signal power reaches the threshold value set by the user. Accomplishments:  One of the time consuming activity was the design tuning process which involved lots of calculations and analysis. I developed EXCEL template that automated the design tuning process and reduced the tuning time. Project : Phase Measurement unit (750 – 1250 MHz) Client : DLRL Description : Measures the phase differences between two signals received from the antenna, and provides the IQ as output. Accomplishments:  Involved from the design level. Tuning Testing and trouble shooting. Involved in CATH tests.  Board level Analog Circuit Design.  Design of RF Front-End Receivers.  High Efficiency Power Supply Design.  Good in development of Application specific circuit design tools using Microsoft Visual Basic.  Good in testing & Trouble shooting of the electronic circuits  Good experience using electronic measuring equipment’s like Signal generators, Spectrum analyzers, Network analyzers, CRO, Power meter. Achievements  Certificate of Appreciation - Received from Qualcomm CE team for the development of RF Port Mapping Tool.  Awarded 1st place in Astra Idea Hackathon event - Received from Astra Microwave products Ltd for the design of Advanced Detection Log Video Amplifier  Certificate of Merit - Secured 2nd Place for the project of SPACE INFORMATION VEHICLE in ABHIYAN (2010) - A Grand Technical Symposium organized by the Government Polytechnic, Miraj held at NATIONAL level in Maharashtra TECHNICAL SKILLS ACHIEVEMENTS
  • 4. Personal Abilities  Enthusiastic to learn new things  Interested to complete the work in a simple way.  Thinking Creatively Diploma in Electronics & Communication Engineering with an aggregate of 75% from A.A.N.M & V.V.R.S.R Polytechnic, Gudlavalleru under SBTET, A.P in the year 2010.  I made “Electric spinning machine” in my 10th standard. It is electrically operated device that spins the thread. Earlier Mechanical spinning wheel was used to spin the thread that was labor intensive.  I made the demo of Hydro-electric power generation plant in my 6th grade. I got Merit certificate in AP tutorials convents Project completion. Conclusion I conclude that all the above information is true to the best of my knowledge. I bear the responsibilities for the above information. Date: 7th Nov, 2016. Place: Bangalore . Achyuta Naga M QUALIFICATION HOBBIES CONCLUSION PERSONAL ABILITIES