Method and apparatus for performing analog-to-digital conversion on multiple input signals
View Patent ↗A method, computer-readable storage medium, and signal processing apparatus for processing a plurality of input signals. The method includes receiving or generating a first intermediate signal and a second intermediate signal. The first and second intermediate signals are summed and the summed signals are output to a signal analog-to-digital converter having a predetermined sampling frequency.
1. A method of a signal processing apparatus for processing signals, the method comprising:
receiving a radio frequency (RF) input including a plurality of RF signals;
generating a first intermediate signal based on a first one of the plurality of RF signals;
generating a second intermediate signal based on a second one of the plurality of RF signals; and
summing the first and second intermediate signals,
wherein the first and second intermediate signals are placed within a predetermined frequency spectrum range based on a predetermined sampling frequency (Fs).
2. The method according to claim 1 , wherein the first and second intermediate signals are generated based on the predetermined Fs.
3. The method according to claim 1 , wherein the first one of the plurality of RF signals is carried in a forward application transport (FAT) channel.
4. The method according to claim 1 , wherein the second one of the plurality of RF signals is carried in an out-of-band (OOB) channel.
5. The method according to claim 1 , wherein the plurality of RF signals includes at least one digital television broadcast signal.
6. A non-transitory computer-readable medium storing instructions which when executed by a computer cause the computer to perform a method of processing signals, the method comprising:
receiving a radio frequency (RF) input including a plurality of RF signals;
generating a first intermediate signal based on a first one of a plurality of RF signals;
generating a second intermediate signal based on a second one of the plurality of RF signals; and
summing the first and second intermediate signals,
wherein the first and second intermediate signals are placed within a predetermined frequency spectrum range based on a predetermined sampling frequency (Fs).
7. A signal processing apparatus, comprising:
circuitry configured to
receive a radio frequency (RF) input including a plurality of RF signals,
generate a first intermediate signal based on a first one of the plurality of RF signals;
generate a second intermediate signal based on a second one of the plurality of RF signals; and
sum the first and second intermediate signals,
wherein the first and second intermediate signals are placed within a predetermined frequency spectrum range based on a predetermined sampling frequency (Fs).
8. The signal processing apparatus according to claim 7 , wherein the first and second intermediate signals are generated based on the predetermined Fs.
9. The signal processing apparatus according to claim 7 , wherein the first one of the plurality of RF signals is carried in a forward application transport (FAT) channel.
10. The signal processing apparatus according to claim 7 , wherein the second one of the plurality of RF signals is carried in an out-of-band (OOB) channel.
11. The signal processing apparatus according to claim 7 , wherein the plurality of RF signals includes at least one digital television broadcast signal.