From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1895/CH6/EX6.1/EXAMPLE6_1.SCE | 19 +++++++++++++++++++ 1895/CH6/EX6.10/EXAMPLE6_10.SCE | 25 +++++++++++++++++++++++++ 1895/CH6/EX6.11/EXAMPLE6_11.SCE | 22 ++++++++++++++++++++++ 1895/CH6/EX6.12/EXAMPLE6_12.SCE | 21 +++++++++++++++++++++ 1895/CH6/EX6.14/EXAMPLE6_14.SCE | 28 ++++++++++++++++++++++++++++ 1895/CH6/EX6.16/EXAMPLE6_16.SCE | 27 +++++++++++++++++++++++++++ 1895/CH6/EX6.17/EXAMPLE6_17.SCE | 24 ++++++++++++++++++++++++ 1895/CH6/EX6.18/EXAMPLE6_18.SCE | 27 +++++++++++++++++++++++++++ 1895/CH6/EX6.19/EXAMPLE6_19.SCE | 22 ++++++++++++++++++++++ 1895/CH6/EX6.2/EXAMPLE6_2.SCE | 21 +++++++++++++++++++++ 1895/CH6/EX6.20/EXAMPLE6_20.SCE | 23 +++++++++++++++++++++++ 1895/CH6/EX6.21/EXAMPLE6_21.SCE | 26 ++++++++++++++++++++++++++ 1895/CH6/EX6.3/EXAMPLE6_3.SCE | 29 +++++++++++++++++++++++++++++ 1895/CH6/EX6.4/EXAMPLE6_4.SCE | 26 ++++++++++++++++++++++++++ 1895/CH6/EX6.7/EXAMPLE6_7.SCE | 23 +++++++++++++++++++++++ 1895/CH6/EX6.8/EXAMPLE6_8.SCE | 20 ++++++++++++++++++++ 1895/CH6/EX6.9/EXAMPLE6_9.SCE | 21 +++++++++++++++++++++ 17 files changed, 404 insertions(+) create mode 100755 1895/CH6/EX6.1/EXAMPLE6_1.SCE create mode 100755 1895/CH6/EX6.10/EXAMPLE6_10.SCE create mode 100755 1895/CH6/EX6.11/EXAMPLE6_11.SCE create mode 100755 1895/CH6/EX6.12/EXAMPLE6_12.SCE create mode 100755 1895/CH6/EX6.14/EXAMPLE6_14.SCE create mode 100755 1895/CH6/EX6.16/EXAMPLE6_16.SCE create mode 100755 1895/CH6/EX6.17/EXAMPLE6_17.SCE create mode 100755 1895/CH6/EX6.18/EXAMPLE6_18.SCE create mode 100755 1895/CH6/EX6.19/EXAMPLE6_19.SCE create mode 100755 1895/CH6/EX6.2/EXAMPLE6_2.SCE create mode 100755 1895/CH6/EX6.20/EXAMPLE6_20.SCE create mode 100755 1895/CH6/EX6.21/EXAMPLE6_21.SCE create mode 100755 1895/CH6/EX6.3/EXAMPLE6_3.SCE create mode 100755 1895/CH6/EX6.4/EXAMPLE6_4.SCE create mode 100755 1895/CH6/EX6.7/EXAMPLE6_7.SCE create mode 100755 1895/CH6/EX6.8/EXAMPLE6_8.SCE create mode 100755 1895/CH6/EX6.9/EXAMPLE6_9.SCE (limited to '1895/CH6') diff --git a/1895/CH6/EX6.1/EXAMPLE6_1.SCE b/1895/CH6/EX6.1/EXAMPLE6_1.SCE new file mode 100755 index 000000000..ff9789928 --- /dev/null +++ b/1895/CH6/EX6.1/EXAMPLE6_1.SCE @@ -0,0 +1,19 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.1(PAGENO 281)"); + +//given +R = 10*10^3//resistance of amplifier in ohms +T = 273+27//temperature in kelvin +B = (20-18)*10^6//bandwidth +k = 1.38*10^-23//boltzman's constant + +//calculations +V_n = sqrt(4*R*k*T*B);//rms noise voltage + +//result +printf("\n\nRms noise voltage = %.10f V",V_n); diff --git a/1895/CH6/EX6.10/EXAMPLE6_10.SCE b/1895/CH6/EX6.10/EXAMPLE6_10.SCE new file mode 100755 index 000000000..8b2ad835d --- /dev/null +++ b/1895/CH6/EX6.10/EXAMPLE6_10.SCE @@ -0,0 +1,25 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.10(PAGENO 305)"); + +//given +F_1 = 2//noise figure of first stage in dB +A_1 = 12//gain in first stage in dB +F_2 = 6//noise figure of second stage in dB +A_2 = 10//gain in first second in dB + + +//calculations +F_1ratio = exp((F_1/10)*log(10));//noise figure of first stage in ratio +F_2ratio = exp((F_2/10)*log(10));//noise figure of second stage in ratio +A_1ratio = exp((A_1/10)*log(10));//gain of first stage in ratio +A_2ratio = exp((A_2/10)*log(10));//gain of second stage in ratio +F = F_1ratio + ((F_2ratio - 1)/(A_1ratio));//Overall noise figure +F_dB = 10*log10(F);//Overall noise figure in dB + +//results +printf("\n\nOverall noise figure = %.2f dB",F_dB ); diff --git a/1895/CH6/EX6.11/EXAMPLE6_11.SCE b/1895/CH6/EX6.11/EXAMPLE6_11.SCE new file mode 100755 index 000000000..334b6ae3e --- /dev/null +++ b/1895/CH6/EX6.11/EXAMPLE6_11.SCE @@ -0,0 +1,22 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.11(PAGENO 306)"); + +//given +F_1 = 9//noise figure for first stage in dB +F_2 = 20//noise figure for second stage in dB +A_1 = 15//gain in first stage in dB + +//calculations +F_1ratio = exp((F_1/10)*log(10));//noise figure of first stage in ratio +F_2ratio = exp((F_2/10)*log(10));//noise figure of second stage in ratio +A_1ratio = exp((A_1/10)*log(10));//gain of first stage in ratio +F = F_1ratio + ((F_2ratio - 1)/(A_1ratio)); + F_dB = 10*log10(F); + + //results + printf("\n\nOverall noise figure = %.2f dB", F_dB ); diff --git a/1895/CH6/EX6.12/EXAMPLE6_12.SCE b/1895/CH6/EX6.12/EXAMPLE6_12.SCE new file mode 100755 index 000000000..9f92210c8 --- /dev/null +++ b/1895/CH6/EX6.12/EXAMPLE6_12.SCE @@ -0,0 +1,21 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.12(PAGENO 307)"); + +//given +f_1 = 18*10^6//lower operating frequency in Hz +f_2 = 20*10^6//lower operating frequency in Hz +T = 273 + 17//temperature in kelvin +R = 10*10^3//input resistance +k = 1.38*10^-23//boltzman's constant + +//calculations +B = f_2 - f_1//bandwidth in Hz +V_n = sqrt(4*k*B*R*T);//rms noise voltage + +//results +printf("\n\nrms noise voltage = %.10f V",V_n); diff --git a/1895/CH6/EX6.14/EXAMPLE6_14.SCE b/1895/CH6/EX6.14/EXAMPLE6_14.SCE new file mode 100755 index 000000000..37375ef02 --- /dev/null +++ b/1895/CH6/EX6.14/EXAMPLE6_14.SCE @@ -0,0 +1,28 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.14(PAGENO 308)"); + +//given +A = 60//gain of noiseless amplifier +V_n1 = 1*10^-3//output of the amplifier +B = 20*10^3//initial bandwidth +B1 = 5*10^3//change in bandwidth +k = 1.38*10^-23//boltzman's constant +T = 273 + 80//temperature in degree kelvin + +//calculaitons +//since the bandwidth is reesuced to 1/4th of its value,therefore the noise voltage +//will be V_n proportional to sqrt(B) +//Hence, the noise voltage at 5KHz will become half its value at 20KHz bandwidth i.e, +V_n = .5*10^-3//noise voltage in volts +V_no = V_n1/A;//noise ouput voltage +R = (V_no^2/(4*k * T * B ));//resistance at 80degree celcius + +//results +printf("\n\ni.Meter reading in volts = %.10f V",V_n); +printf("\n\nii.Resistance at 80 degree celcius = %.2f ohms",R); +printf("\n\nNote: There is calculation mistake in textbook in the measurement of resistance they took constant in formula as 1 instead of 4"); diff --git a/1895/CH6/EX6.16/EXAMPLE6_16.SCE b/1895/CH6/EX6.16/EXAMPLE6_16.SCE new file mode 100755 index 000000000..67075a358 --- /dev/null +++ b/1895/CH6/EX6.16/EXAMPLE6_16.SCE @@ -0,0 +1,27 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.16(PAGENO 309)"); + +//given +A_1 = 10//gain in first stage in dB +A_2 = 10//gain in second stage in dB +A_3 = 10//gain in third stage in dB +F_1 = 6//noise figure for first stage in dB +F_2 = 6//noise figure for second stage in dB +F_3 = 6//noise figure for third stage in dB + +//calculations +F_1ratio = exp((F_1/10)*log(10));//noise figure of first stage in ratio +F_2ratio = exp((F_2/10)*log(10));//noise figure of second stage in ratio +F_3ratio = exp((F_3/10)*log(10));//noise figure in third stage in ratio +A_1ratio = exp((A_1/10)*log(10));//gain of first stage in ratio +A_2ratio = exp((A_2/10)*log(10));//gain of second stage in ratio +A_3ratio = exp((A_3/10)*log(10));//gain of third stage in ratio +F = F_1ratio + ((F_2ratio - 1)/(A_1ratio)) + ((F_3ratio - 1)/(A_2ratio*A_1ratio));//Overall noise figure + +//results + printf("\n\nOverall noise figure of three stage cascaded amplifier = %.2f ", F ); diff --git a/1895/CH6/EX6.17/EXAMPLE6_17.SCE b/1895/CH6/EX6.17/EXAMPLE6_17.SCE new file mode 100755 index 000000000..7a07d9c03 --- /dev/null +++ b/1895/CH6/EX6.17/EXAMPLE6_17.SCE @@ -0,0 +1,24 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.17(PAGENO 310)"); + +//given +G_1 = 10//gain in first stage in dB +//noise figure for both the stages are same +F_1 = 10//noise figure for first stage in dB +F_2 = 10//noise figure for second stage in dB + +//calculations +F_1ratio = exp((F_1/10)*log(10));//noise figure of first stage in ratio +F_2ratio = exp((F_2/10)*log(10));//noise figure of second stage in ratio +G_1ratio = exp((G_1/10)*log(10));//gain of first stage in ratio +F = F_1ratio + ((F_2ratio - 1)/(G_1ratio));//Overall noise figure +F_dB= 10*log10(F)////Overall noise figure in dB + +//results + + printf("\n\nOverall noise figure = %.2f dB", F_dB ); diff --git a/1895/CH6/EX6.18/EXAMPLE6_18.SCE b/1895/CH6/EX6.18/EXAMPLE6_18.SCE new file mode 100755 index 000000000..e571888c8 --- /dev/null +++ b/1895/CH6/EX6.18/EXAMPLE6_18.SCE @@ -0,0 +1,27 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.18(PAGENO 310)"); + +//given +G_1 = 4//gain in first stage in dB +G_2 = 10//gain in second stage in dB +F_1 = 10//noise figure for first stage in dB +F_2 = 10//noise figure for second stage in dB + +//calculations +F_1ratio = exp((F_1/10)*log(10));//noise figure of first stage in ratio +F_2ratio = exp((F_2/10)*log(10));//noise figure of second stage in ratio +G_1ratio = exp((G_1/10)*log(10));//gain of first stage in ratio +G_2ratio = exp((G_2/10)*log(10));//gain of second stage in ratio +F = F_1ratio + ((F_2ratio - 1)/(G_1ratio));//Overall noise figure +G = log10(G_1ratio *G_2ratio ); +F_dB= 10*log10(F)////Overall noise figure in dB + +//results +printf("\n\ni.Overall noise figure = %.2f dB", F_dB ); + printf("\n\nii.Overall gain = %.2f dB",G ); +printf("\n\nNote:There is mistake in calculation of overall gain in textbook") diff --git a/1895/CH6/EX6.19/EXAMPLE6_19.SCE b/1895/CH6/EX6.19/EXAMPLE6_19.SCE new file mode 100755 index 000000000..f4350b420 --- /dev/null +++ b/1895/CH6/EX6.19/EXAMPLE6_19.SCE @@ -0,0 +1,22 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.19(PAGENO 310)"); + +//given +G_1 = 15//gain in first stage in dB +F_1 = 9//noise figure for first stage in dB +F_2 = 20//noise figure for second stage in dB + +//calculations +F_1ratio = exp((F_1/10)*log(10));//noise figure of first stage in ratio +F_2ratio = exp((F_2/10)*log(10));//noise figure of second stage in ratio +G_1ratio = exp((G_1/10)*log(10));//gain of first stage in ratio +F = F_1ratio + ((F_2ratio - 1)/(G_1ratio));//Overall noise figure +F_dB= 10*log10(F)////Overall noise figure in dB + +//results +printf("\n\nOverall noise figure = %.2f dB", F_dB ); diff --git a/1895/CH6/EX6.2/EXAMPLE6_2.SCE b/1895/CH6/EX6.2/EXAMPLE6_2.SCE new file mode 100755 index 000000000..b3c462943 --- /dev/null +++ b/1895/CH6/EX6.2/EXAMPLE6_2.SCE @@ -0,0 +1,21 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.2(PAGENO 281)"); + +//given +R_1 = 300//equivalent noise resistance +R_2 = 400//input resistance +T = 273+27//temperature in kelvin +B = 7*10^6//bandwidth +k = 1.38*10^-23//boltzman's constant + +//calculations +R_s = R_1 +R_2//effective resistance in series +V_nr = sqrt(4*k*T*B*R_s)//rms noise voltage + +//result +printf("\n\nRms noise voltage = %.10f V",V_nr) diff --git a/1895/CH6/EX6.20/EXAMPLE6_20.SCE b/1895/CH6/EX6.20/EXAMPLE6_20.SCE new file mode 100755 index 000000000..48f4db1f7 --- /dev/null +++ b/1895/CH6/EX6.20/EXAMPLE6_20.SCE @@ -0,0 +1,23 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.20(PAGENO 311)"); + +//given +F_2 = 20//noise figure of receiver in dB +G_1 = 40//gain of low noise amplifier in dB +T_e1 = 80//noise temperature of low noise amplifier in degree kelvin +T_0 = 300//room temperature + +//calculations +F_2ratio = exp((F_2/10)*log(10));//noise figure of receiver in ratio +G_1ratio = exp((G_1/10)*log(10));//gain of low noise amplifier +T_e2 = (F_2ratio-1)*T_0//noise temperature of the receiver in degree kelvin +T_e = T_e1 +(T_e2/G_1ratio)//overall noise temperature in degree kelvin + +//results +printf("\n\ni.Noise Temperature of the receiver = %.2f degkelvin ",T_e2); +printf("\n\nii.Overall noise temperature = %.2f degkelvin",T_e); diff --git a/1895/CH6/EX6.21/EXAMPLE6_21.SCE b/1895/CH6/EX6.21/EXAMPLE6_21.SCE new file mode 100755 index 000000000..263e982dd --- /dev/null +++ b/1895/CH6/EX6.21/EXAMPLE6_21.SCE @@ -0,0 +1,26 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.21(PAGENO 311)"); + +//given from the figure +G_1ratio = 1000//gain of master amplifier +G_2ratio = 100//gain of TWT +G_3ratio = 10000//gain of mixer and IF amplifier +F_2ratio = 4//noise figure of TWT +F_3ratio = 16//noise figure of mixer and IF amplifier +T_0 =273 + 17//ambident temperature in degree kelvin +T_e1 = 5//temperature of master amplifier in degree kelvin + +//calculaitons +F_1 = 1 + (T_e1/T_0);//noise figure of master amplifier +F = F_1 + ((F_2ratio - 1)/(G_1ratio)) + ((F_3ratio - 1)/(G_2ratio*G_1ratio));//Overall noise figure +F_dB = 10*log10(F);//overall noise figure in dB +T_e = (F - 1)*T_0;//overall noise temperature of the receiver + +//results + printf("\n\ni.Overall noise temperature of the receiver =%.2f degreekelvin",T_e); + printf("\n\nii.Overall noise figure = %.6f dB", F_dB); diff --git a/1895/CH6/EX6.3/EXAMPLE6_3.SCE b/1895/CH6/EX6.3/EXAMPLE6_3.SCE new file mode 100755 index 000000000..de90efc4d --- /dev/null +++ b/1895/CH6/EX6.3/EXAMPLE6_3.SCE @@ -0,0 +1,29 @@ + +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.3(PAGENO 282)"); + +//given +R_1 = 20*10^3//resistance one +R_2 = 50*10^3//resistance two +T = 273+15//temperature in kelvin +B = 100*10^3//bandwidth +k = 1.38*10^-23//boltzman's constant + +//calculations +R_s = R_1 +R_2//series effective resistance +R_p = (R_1*R_2)/(R_1 + R_2)//parallel effective resistance +V_1 = sqrt(4*k*T*R_1*B)//noise voltage in R_1 +V_2 = sqrt(4*k*T*R_1*B)//noise voltage in R_2 +V_s = sqrt(4*k*T*R_s*B)//noise voltage when resistance connected in series +V_p = sqrt(4*k*T*R_p*B)//noise voltage when resistance connected in parallel + +//results +printf("\n\ni.Noise voltage due to R_1 = %.10f V",V_1); +printf("\n\nii.Noise voltage due to R_2 = %.10f V",V_2); +printf("\n\niii.Noise voltage due to two resistance in series = %.10f V",V_s); +printf("\n\niv.Noise voltage due to two resistance in parallel = %.10f V",V_p); diff --git a/1895/CH6/EX6.4/EXAMPLE6_4.SCE b/1895/CH6/EX6.4/EXAMPLE6_4.SCE new file mode 100755 index 000000000..b3012b595 --- /dev/null +++ b/1895/CH6/EX6.4/EXAMPLE6_4.SCE @@ -0,0 +1,26 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.4(PAGENO 283)"); + +//given +A_1 = 10//voltage gain for first stage +A_2 = 25//volatage gain for second stage +R_i1 = 600//input resistance for first stage in ohms +R_eq1 = 1600//equivalent noise resistance for first stage +R_01 = 27*10^3//Output resistance for first stage +R_i2 = 81*10^3//input resistance for second stage +R_eq2 = 10*10^3//Equivalent noise resistance for second stage +R_02 = 1*10^6//putput resistance for second case + +//calculations +R_1 = R_i1 + R_eq1 +R_2 = ((R_01*R_i2)/(R_01+R_i2)) + R_eq2 +R_3 = R_02 +R_eq = R_1 + (R_2/A_1^2) + R_3/(A_1^2 *A_2^2); + +//results +printf("\n\nEquivalent input noise resistance = %.2f Ohms",R_eq); diff --git a/1895/CH6/EX6.7/EXAMPLE6_7.SCE b/1895/CH6/EX6.7/EXAMPLE6_7.SCE new file mode 100755 index 000000000..dc6a64911 --- /dev/null +++ b/1895/CH6/EX6.7/EXAMPLE6_7.SCE @@ -0,0 +1,23 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.7(PAGENO 295)"); + +//given +T = 273 + 17//temperature in kelvin +Q = 10//quality factor +c = 10*10^-12//capacitance +f_r = 100*10^6//resonate frequency +k = 1.38*10^-23//boltzman's constant + +//calculations +delta_f = f_r/Q//bandwidth of the tuned circuit +w = 2*%pi*f_r;//angular frequency +R = 1/(Q*w*c);//resistance +V_no = sqrt(4*k*Q^2*T*delta_f*R) //output voltage + +//results +printf("\n\nOutput voltge = %.10f V",V_no); diff --git a/1895/CH6/EX6.8/EXAMPLE6_8.SCE b/1895/CH6/EX6.8/EXAMPLE6_8.SCE new file mode 100755 index 000000000..cc0a8b4c0 --- /dev/null +++ b/1895/CH6/EX6.8/EXAMPLE6_8.SCE @@ -0,0 +1,20 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.8(PAGENO 297)"); + +//given +R_a = 50//antenna resistance +R_eq = 30//equivalent noise resistance of receiver +T_0 = 290//initial temperature in degree kelvin +//calculations +F = 1+(R_eq/R_a);//noise figure +F_dB = 10*log10(F)//noise figure in decibels +T_eq = T_0*(F-1)//equivalent temperature + +//results +printf("\n\ni.Noise figure in decibels = %.2f dB",F_dB); +printf("\n\nii.Equivalent temperature = %.2f degree kelvin",T_eq) diff --git a/1895/CH6/EX6.9/EXAMPLE6_9.SCE b/1895/CH6/EX6.9/EXAMPLE6_9.SCE new file mode 100755 index 000000000..c723d2e5f --- /dev/null +++ b/1895/CH6/EX6.9/EXAMPLE6_9.SCE @@ -0,0 +1,21 @@ +//ANALOG AND DIGITAL COMMUNICATION +//BY Dr.SANJAY SHARMA +//CHAPTER 6 +//NOISE +clear all; +clc; +printf("EXAMPLE 6.9(PAGENO 302)"); + +//given +R_eq = 2518//equivalent resistance in ohms +R_t = 600//input impedence in ohms +R_a= 50//output impedencre in ohms + +//calculations +R_eq1 = R_eq - R_t; +F = 1 + (R_eq1/R_a) //noise figure +F_dB = 10*log10(F)//noise figure in dB + +//results +printf("\n\nNoise figure in dB = %.2f dB",F_dB); +printf("\n\nNote:Calculation mistake is their in text book in finding noise figure in dB") -- cgit