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Diffstat (limited to '3547/CH5/EX5.8')
| -rw-r--r-- | 3547/CH5/EX5.8/5_8.jpg | bin | 0 -> 59212 bytes | |||
| -rw-r--r-- | 3547/CH5/EX5.8/Ex5_8.sce | 19 |
2 files changed, 19 insertions, 0 deletions
diff --git a/3547/CH5/EX5.8/5_8.jpg b/3547/CH5/EX5.8/5_8.jpg Binary files differnew file mode 100644 index 000000000..0616aefec --- /dev/null +++ b/3547/CH5/EX5.8/5_8.jpg diff --git a/3547/CH5/EX5.8/Ex5_8.sce b/3547/CH5/EX5.8/Ex5_8.sce new file mode 100644 index 000000000..1e0478f4b --- /dev/null +++ b/3547/CH5/EX5.8/Ex5_8.sce @@ -0,0 +1,19 @@ +// Example no.5.8
+// To find the in-phase and quadrature components of the current of a balanced IQ receiver.
+// Page no.238
+
+clc;
+clear;
+
+// Given data
+PLO=10; // Local oscillator power in mW from Example 5.7a
+Pr=0.1585; // Power at receiver in mW
+R=0.9; // Responsivity in A/W
+st=complex((-1/sqrt(2)),(1/sqrt(2))); // The QPSK transmitted signal
+Ii=R*sqrt(Pr*PLO)*real(st); // The in-phase component of the current in mA
+Iq=-R*sqrt(Pr*PLO)*imag(st); // The quadrature component of the current in mA
+
+// Display result on command window
+printf('\n The in-phase component of the current = %0.4f mA',Ii)
+printf('\n The quadrature component of the current = %0.4f mA',Iq)
+
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