OCR Level 3 Cambridge Technical in Engineering
Unit 7
Unit Recording Sheet
This form should be completed by the centre assessor. Please enter specific page numbers where evidence can be found in the portfolio, or where electronic evidence is being submitted, the location of this.
One of these sheets should be attached to the assessed work of each candidate.
Unit Title Electrical Devices
Unit Code
H/506/7273
Year
Centre Name
Centre Number
Candidate Name
Candidate Number
Grading Criteria - The Learner can:
Pass
The grading criteria are the Pass requirements for this unit. In order to achieve a Pass
grade, all Pass criteria must be achieved.
Grading
Criteria
achieved ()
Teacher comment
2
0
1
Page
No./Evidence
location
Learning Outcome 1: Understand semi-conductor and programmable devices
P1:
Explain applications and functions of semi-conductors
P2:
Explain applications and functions of programmable logic devices
Learning Outcome 2: Understand electrical sensors and actuators
P3:
Identify applications and function of electrical sensors used to measure physical
properties
P4:
Explain applications and function of electrical actuators
Learning Outcome 3: Understand how to use signal conditioning techniques
and signal conversion devices
Version 1
Oxford Cambridge and RSA Examinations
H/506/7273/URS
Grading Criteria - The Learner can:
Grading
Criteria
achieved ()
Teacher comment
Page
No./Evidence
location
Pass
The grading criteria are the Pass requirements for this unit. In order to achieve a Pass
grade, all Pass criteria must be achieved.
P5:
Describe sensor output signal types
P6:
Calculate the value of resistors in a potential divider or bridge circuit to scale a sensor
output voltage signal using sensor calibration data
*synoptic link to Unit 4 Principles of electrical and electronic engineering
P7:
Explain the operation of serial to parallel and parallel to serial conversion devices
*Synoptic Unit 4 *synoptic link to Unit 4 Principles of electrical and electronic
engineering
P8:
Calculate baud and bit rate for a serial data signal
Learning Outcome 4: Understand the application of smart and modern
materials in electrical devices
P9:
Describe applications of smart and modern materials in electrical devices
Version 1
Oxford Cambridge and RSA Examinations
H/506/7273/URS
Grading Criteria - The Learner can:
Merit Criteria
The grading criteria are the Merit requirements for this unit. In order to achieve a Merit
grade, all Merit criteria must be achieved and all Pass criteria must also have been
achieved.
Grading
Criteria
achieved ()
Page
Teacher comment
No./Evidence
location
Learning Outcome 1: Understand semi-conductor and programmable devices
M1:
Compare internal architecture and typical system configurations in programmable
devices and systems
Learning Outcome 2: Understand electrical sensors and actuators
M2:
Evaluate practically the operation of an electrical sensor and an electrical actuator
Learning Outcome 3: Understand how to use signal conditioning techniques
and signal conversion devices
M3:
Analyse the operation of analogue to digital and digital to analogue conversion devices
Learning Outcome 4: Understand the application of smart and modern
materials in electrical devices
M4:
Explain the operation of QTC in an electrical device and SMA in an electrical device
Version 1
Oxford Cambridge and RSA Examinations
H/506/7273/URS
Grading Criteria - The Learner can:
Grading
Distinction Criteria
The grading criteria are the Distinction requirements for this unit. In order to achieve a
Distinction grade, all Distinction criteria must be achieved and all Merit and Pass criteria
must also have been achieved.
Page
Criteria
achieved ()
Teacher comment
No./Evidence
location
Learning Outcome 1: Understand semi-conductor and programmable devices
D1:
Analyse the operation of individual circuits containing a single thyristor, a single
MOSFET and a single IGBT
Learning Outcome 3: Understand how to use signal conditioning techniques
and signal conversion devices
D2:
Evaluate the design of op-amp circuits for a high-pass and low-pass filter
OVERALL GRADE (P,M or D)
I confirm that:

the candidate’s work is solely that of the candidate concerned and was conducted under the required conditions as laid down in the qualification
handbook;

internal standardisation has been carried out and that all grades have been correctly recorded and accurately transcribed to the claim being
submitted to OCR.
Completed by:
Please note:
Date :
This form may be updated on an annual basis. The current version of this form will be available on the OCR website (www.ocr.org.uk).
Version 1
Oxford Cambridge and RSA Examinations
H/506/7273/URS