A Comparison of Relative System Sizes - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
Separate Studios, Separate Intercom - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
Fixed Trunking - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
Intelligent Trunking - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
Cascaded Trunking - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
TW and Matrix Signal Flows - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
Wireless Intercom Interfaced to Matrix Intercom - - - - - - - - - - - - - - - - - - - - - - - - | |
GPI/O Implemented PTT | |
TW to Matrix Interface 81 |
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ADAM™ and ADAM™ CS Basic Components - - - - - - - - - - - - - - - - - - - - - - - - | |
Matrix Intercom Remote Control - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 83 |
The first beltpack based wireless intercom system. - - - - - - - - - - - - - - - - - - - - - - - | |
An example of a modern day wireless intercom system. - - - - - - - - - - - - - - - - - - - | |
The RadioCom™ |
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next generation of wireless intercom systems. - - - - - - - - - - - - - - - - - - - - - - - - - - | |
NTSC channel configuration. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
The E an H fields exist in two separate planes, 90° apart from each other. - - - - - - - | |
An example of wireless transmission and reception. - - - - - - - - - - - - - - - - - - - - - - | |
An example of electromagnetic waves being radiated. - - - - - - - - - - - - - - - - - - - - - | 97 |
An example of reflected RF waves.- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
The orientation of the radiator (antenna) determines the polarization, |
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and therefore, the orientation of the E and H fields. - - - - - - - - - - - - - - - - - - - - - - | |
Waves that are in phase combine to form a larger wave. - - - - - - - - - - - - - - - - - - - | |
Waves that are out of phase cancel each other. - - - - - - - - - - - - - - - - - - - - - - - - - - | |
An example of combining waves that are not 180° out of phase. - - - - - - - - - - - - - - | 100 |
An example of multipath in its most basic form. - - - - - - - - - - - - - - - - - - - - - - - - - | 100 |
Transmitter block diagram. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 102 |
Receiver block diagram. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 103 |
Good linearity is a must for faithful signal reproduction. - - - - - - - - - - - - - - - - - - - | 104 |
A comparison of the radiation patterns for an Isotropic Radiator |
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(theoretical) vs. a Dipole (practical). - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 105 |
An example of a Yagi antenna. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 107 |
Telex®’s | 107 |
The typical parts of coaxial cable. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 109 |
Wiring differences between larger conference and | 114 |
Figure 3. Block diagram of a medium sized intercom system using |
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The forms of communications depicted here are six conference lines and eight |
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IFB circuits. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 119 |
Block diagram of a medium sized intercom system using the Zeus™ |
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increased to include | 121 |
Figure 5. Block diagram of a large size intercom system using a twin |
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ADAM™ configured as a 200x200 matrix. - - - - - - - - - - - - - - - - - - - - - - - - - - - | 123 |