Electronic tunable cable simulator

1 . A programmable cable simulator for a cable network comprising:

a circuit receiving an input signal from an input coaxial cable, the input signal having a first signal frequency;

the cable simulator receiving a cable loss value representative of a loss of signal over a portion of said cable network;

the cable simulator retrieving one or more stored values from a stored table, in response to the cable loss value;

the cable simulator programming one or more variable and programmable components in the circuit, including at least one variable resistor and at least one variable capacitor based on said one or more stored values;

the circuit modifying the first signal frequency of the input signal according to the retrieved one or more stored values programmed to the one or more variable components; and

the circuit providing an output signal to an output coaxial cable for an end user.

2 . The circuit of claim 1 , wherein the components include a first variable resistor, a second variable resistor, a third variable resistor.

3 . The circuit of claim 2 , wherein the input signal is modified by tuning the input signal according to respective values stored in the variable resistors and a value stored in the programmable variable capacitor.

4 . The circuit of claim 1 , wherein the at least one variable and programmable component can be programmed remotely.

5 . The circuit of claim 1 , wherein the at least one variable and programmable component can be programmed locally with no physical change of components.

6 . The circuit of claim 1 , wherein the input cable signal incurred a frequency amplitude during the transmission.

7 . The circuit of claim 6 , wherein the circuit includes equalizer.

8 . The circuit of claim 1 , wherein the input cable signal incurred a cable frequency loss during the transmission.

9 . An apparatus for modifying a coaxial cable signal in a cable network, comprising:

a circuit installed between two coaxial cables, the circuit further comprising:

an input;

an output;

an upper portion comprising an inductor, a capacitor, and a first variable resistor;

a lower portion comprising a second variable resistor, a third variable resistor, and one variable capacitor;

a microprocessor; and

a table comprising one or more stored values configured for programming the first, second, and third variable resistors and the variable capacitor, wherein the table is stored in the microprocessor;

wherein the first, second, and third variable resistors and the one variable capacitor can be programmed to the values stored in the table on the microprocessor to effect tuning of the cable signal to simulate cable loss of an amount variably selected over a range of values between 0 and 18 dB

wherein said microprocessor is configured to receive a cable loss value representative of a loss of signal over a portion of said cable network, and in response to receiving said cable loss value, retrieves from said table one or more of said stored values and programs the first, second, and third variable resistors and the variable capacitor to tune the cable signal.

10 . The apparatus of claim 9 , wherein the circuit further comprises an RF amplifier.

11 . The apparatus of claim 9 , wherein the variable resistors comprise pin diodes.

12 . The apparatus of claim 9 , wherein the variable resistors comprise digital potentiometers.

13 . The apparatus of claim 9 , wherein the variable capacitor comprises one of a varactor or a programmable capacitor.

14 . The apparatus of claim 9 , wherein the circuit can be locally programmed without the removal or replacement of components.

15 . The apparatus of claim 9 , wherein the variable components of the circuit can be remotely programmed.

16 . The apparatus of claim 9 , wherein the variable components are fixed and reduce insertion loss.

17 . The apparatus of claim 9 , wherein the apparatus equalizes the cable signal.

18 . The apparatus of claim 9 , wherein the apparatus simulates the cable signal.