Single Sideband Systems Flashcards
What are the three methods of generating a single sideband signal?
filter method, phase shifting method and weaver method
With the ________ system, the amount of power used can be minimized and more importantly, the bandwidth is narrowed to half.
SSB
Information is present only in the sidebands so it is sensible to transmit only the sideband and to reinsert the carrier at the receiver by using an oscillator. What do you call this
Double Sideband transmission with Suppressed
Carrier
circuits used to produce double sidebands by
effectively canceling the carrier at the output
Balanced Modulators
The DSBSC is not much used in practice because
it is not easy to reinsert
the carrier correctly
(The difficulty with using two sidebands is that if the phase of the reinserted carrier is incorrect, could cancel each other out. Either one of the sidebands, together with the replacement carrier, can recover the original modulating signal)
A form of amplitude modulation in which the carrier is transmitted at full power but only one of the sidebands is transmitted
Single Sideband System
H3E
Single Sideband Full Carrier
Single Sideband Full Carrier
H3E
requires less bandwidth than the conventional double sideband
AM, but also produces a demodulated signal with a lower amplitude
SSBFC
J3E
Single Sideband Suppressed Carrier
Single Sideband Suppressed Carrier
Single Sideband Suppressed Carrie
A form of amplitude modulation in which the carrier is totally suppressed and one of the sidebands is removed.
J3E
Requires half as much bandwidth as the conventional double
sideband AM and less transmitted power
Single Sideband Suppressed Carrier
R3E
Single Sideband Reduced Carrier
Single Sideband Reduced Carrier
R3E
