Academic Catalog


Foothill College Course Outline of Record

Foothill College Course Outline of Record
Heading Value
Units: 0.5
Hours: 6 lecture, 3 laboratory per quarter (9 total per quarter)
Prerequisite: Completion of recognized sound and communication apprenticeship or equivalent and recent employment as an installer/technician in the sound and communication industry.
Degree & Credit Status: Degree-Applicable Credit Course
Foothill GE: Non-GE
Transferable: None
Grade Type: Letter Grade (Request for Pass/No Pass)
Repeatability: Not Repeatable


Covers the essentials of paging systems, including functionality, components and how to wire/install.

Course Objectives

The student will be able to:
A. Identify the components associated with paging systems
B. Explain the function of a paging system
C. Describe the difference between a constant voltage system and a self-amplified system
D. Explain how a constant voltage system works
E. Explain how the power ratings of an amplifier are important
F. Explain the difference between direct connection and transformer connection
G. Explain how sound masking systems work
H. Install a paging speaker in a ceiling tile with proper seismic support

Course Content

A. Introduction (Lec)
B. Transformers (Lec)
1. Primary and secondary
2. Step-up
3. Step-down
4. Power transfer
C. Amplifiers (Lec)
1. Construction
2. Inputs
3. Mixer
4. Output terminals
5. Classes
6. Power
D. Speakers (Lec)
1. Transducer
2. Construction
3. Phase
4. Types
5. Frequency response
6. Taps
E. Impedance (Lec)
1. Impedance matching
2. Wattage
3. Impedance bridge
F. Ambient Noise (Lec)
1. dB
2. SPL weighting
3. 3dB and 6dB rules
G. Volume Controls (Lec)
1. Attenuators
2. Impedance changes
3. Logarithmic
4. Audio taper
H. Sources (Lec)
1. Microphones
2. Music source
3. Recorder
I. Zone Paging (Lec)
1. Groups
J. Sound Masking (Lec)
1. Privacy/concentration
2. White noise
3. Pink noise
4. Reduce intelligibility of speech
K. Paging System Lab (Lab)
1. Seismic support
2. Speaker install
3. System wiring
4. Install volume controls
5. Test and commission system

Lab Content

A. Work individually and in teams with basic tools of the trade, test instruments and tool safety.
B. Included will be the installation of sound and/or communication devices using shielded, and unshielded twisted pair cables.
C. Equipment safety and safe handling practices are reviewed and applied.

Special Facilities and/or Equipment

A. Paging system lab, to include paging amplifier, various speakers, wiring, and microphone.
B. When taught via Foothill Global Access, on-going access to email software and hardware; email address.

Method(s) of Evaluation

Methods of Evaluation may include but are not limited to the following:

A. Results of assessments
B. Results of quizzes and tests
C. Discussion participation

Method(s) of Instruction

Methods of Instruction may include but are not limited to the following:

A. Lecture
B. Group discussion
C. Demonstration
D. Lab

Representative Text(s) and Other Materials

Handouts and/or worksheets provided by course instructor.


Types and/or Examples of Required Reading, Writing, and Outside of Class Assignments

A. Reading assignments:

1. Read lab guide and follow directions

B. Writing assignments:

1. Complete the lab handout by filling in the answers and completing the summary



Telecommunication Technology