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Elements and Performance Criteria

1. Identify DSP based system modification requirements
   • Work health and safety (WHS)/occupational health and safety (OHS) processes and workplace procedures for a given work area are identified, obtained and applied
2. Hazards are identified, WHS/OHS risks are assessed, and control measures and workplace procedures are implemented in preparation for work
3. Scope of proposed electronic DSP based sub-system is determined from design brief in consultation with relevant person/s
4. Design development work is planned to meet scheduled timelines in consultation with persons/s involved on the worksite
5. Materials and devices/components required to modify sub-system are determined on compatibility of design specifications with DSP based sub-system requirements and project budget constraints
6. Modify DSP based sub-system prototype
   • WHS/OHS risk control measures and workplace procedures are followed
7. Alternative design modifications are considered based on the design brief
8. Safety, functional and budget considerations are incorporated in the design
9. Prototype devices and circuits are constructed, programmed and tested for compliance with the design brief and regulatory requirements
10. Prototype faults are rectified and retested to ensure effective operation of design
11. DSP based system modification is documented for submission to appropriate person/s for approval
12. Solutions to unplanned situations are implemented in accordance with workplace policy
13. Obtain design approval for electronic DSP based sub-system modification
    • DSP based sub-system modification is presented and explained to client representative and/or relevant person/s
14. Alterations to the design are negotiated with relevant person/s within the constraints of workplace policy, as required
15. Final sub-system design is documented and approval obtained from appropriate person/s
16. Quality of work is monitored against performance agreement and/or workplace or relevant industry standards

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least two separate occasions and include:

applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including: implementing workplace procedures and practices using of risk control measures constructing digital signal processing (DSP) based sub-system prototypes dealing with unplanned events/situations in accordance with workplace procedures in a manner that minimises risk to personnel and equipment obtaining design approval for final modification developing the DSP sub-system design modification within the safety and functional requirements and budget limitations documenting action/s justification to be implemented in accordance with relevant industry standards documenting and presenting design effectively negotiating design alteration requests successfully planning to modify DSP based system reading and interpreting design brief.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

design brief specifications and work requirements digital and analogue devices digital processing steps in practical DSP applications DSP requirements DSP current industry practices and technologies, including: currently available DSP support chips relevant materials and devices/components DSP development technologies, including: concept of complex signals data-rate conversion discrete Fourier transform (DFT) to a signal DSP system fast Fourier transform (FFT) finite impulse response (FIR) filtering using FFT high-order infinite impulse response (IIR) filter IIR filter modulation and de-modulation techniques prototype devices and circuit construction/build requirements relevant job safety assessments or risk mitigation processes relevant manufacturer specifications relevant industry standards, regulations, codes of practice and WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures.

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