Transmitter Block Diagram
Detailed diagram of Transmitter Block Diagram using waveform generator circuit, power amplifier, filtering circuit, digital circuit and Tx antenna.
Transmitter side components description:
Power Amplifier: Here used is low noise amplifier of 2 db. Its gain is 10.2. It dissipates very less power with operation. So it was selected to use.
Filtering circuit: Band Pass Filter around 30 MHz frequency is being employed. Its gain is medium of 7.2 and signal to noise ratio is also very low 2.1 db
Digital Circuit: is a DSP circuit which generates sharp pulse modulated pulses at regular interval for the system.
Transmitter antenna: The characteristics of transmitting antenna is, it is a parabolic antenna. It works on E-pulse technique. It is fixed. Gain is very high of 42.1. S?N ratio is mere less of 5.4 db.
a) Higher resolution and accuracy
b) Greater reach and interference
c) More complicated system/circuit/module
d) Interaction between baseband/RF/MW, System/circuit/EM field, Digital/Analog
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construction by components
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Transmitter subsystem working analysis
a) Structure contains : Filter, BB-AMP, mixer, IF-AMP, RF/MW- PA
b) Characteristics for TX-subsystem : Frequency band, Gain, P1dB , NF , Group delay, ripple, etc
The above diagram shows the gain characteristics at the transmitter side
Gain Vs Frequency Gain Vs Power
Above diagram shows working of Transmitter side Gain variation with Frequency and power at the sub-system level.
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