Development Course project radio receiver

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Uploaded: 18.03.2007
Content: kp.zip (666,51 kB)

Description

Initial data for calculation
1. The nature of the antenna - tuned;
2. The sub-band frequency - 22 MHz;
3. Type of work - F3;
4. Frequency range - 3-30 MHz;
5. Frequency accuracy radio - 4 Hz;
6. Sensitivity - 40 kT0;
7. squareness ratio gearbox (1000) - 3;
8. Selectivity of the first image channel - 90 dB;
9. Selectivity side channels - 103 dB;
10. Relative band locks - 5%;
11. Name the calculated node radio - detector.

Contents:
Introduction
List of abbreviations
Initial data
1 Select the type of the block diagram of the radio
2 Select the principle of stabilizing the local oscillator frequency
3 Division of radio bandwidth into sub-bands
4 Calculation of bandwidth and total tract squareness ratio
4.1 Determination of the spectrum of the primary signal
4.2 Determination of the actual width of the spectrum
4.3 Determination of the required spacing of adjacent channels
5 Estimated range of options contours TRCH
5.1 Determination of the minimum capacity
5.2 Determination of the characteristic impedance of the circuit
5.3 Determination of the quality factor of the resonance oscillation circuit
5.4 Determination of the resulting Q-oscillation circuit
6 Selection of nominal intermediate frequency
6.1 Determination of the number of frequency conversion and nominal intermediate frequency
6.2 Determination of spurious reception
6.3 Determination of the combination of channels receiving interference
7 Select a radio transmitter and detector
7.1 Selection of a frequency converter
7.2 Selection of detector
8 Distribution of selectivity
8.1 Calculation of the selectivity of the first image channel
8.2 Calculation of the selectivity of the second image channel
8.3 Calculation of Adjacent Channel Selectivity
8.4 Calculation of the forward channel selectivity
8.5 Calculation of the selectivity of Raman channel interference
8.6 Tentative calculation bandwidth meshaniya and squareness ratio path radio frequency
8.7 Tentative calculation bandwidth meshaniya and squareness ratio tract PCH1
8.8 Tentative calculation bandwidth meshaniya and squareness ratio tract PCH2
8.9 Tentative calculation bandwidth meshaniya and squareness ratio tract PCH3
9 gain distribution between paths
9.1 Calculation of the gain of the radio
9.2 Calculation of the gain path radio frequency
9.3 Calculation of the gain path PCH1
9.4 Calculation of the gain path PCH2
9.5 Calculation of the gain path PCH3
10 The composition of the preselector, providing the required sensitivity
11 Composition of the preselector, providing the desired selectivity
Closing
Bibliographic list
Appendix A

Additional information

Ingredients: Explanatory note.
Type: zip-archive

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