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Compact transmission and reception technology

Compact transmission and reception technology

VE5.2.1.5

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This experiment/set up contains dangerous goods.
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Description

The compact training system for communications engineering consists mainly of two modules: the transmitter and the receiver module.
Between the two modules, a legal radio link of a maximum of 5-10 metres is set up in the VHF band (87.5 to 108 MHz) with a maximum of 40 NanoWatt transmission power (ERP), over which data can be transmitted with different signal wave forms.
The aim of the course is to provide undergraduate students of communications engineering, trainees in the field of radio and television engineering, as well as prospective radar and radio technicians with a practical introduction to modern radio systems. Both modules are therefore constructed in a "superheterodyne architecture" and together have more than 20 measuring points for oscilloscope measurement and spectrum analysis.
From the multitude of learning contents - described as an interactive manual - the following highlights can be highlighted:

Functionality of mixers in communications engineering (local oscillator-mixer-filter structures)
Properties of single-sideband and double-sideband signals, high-side and low-side mixers, etc.
Function of amplifiers and filters
Functioning of a spectrum analyser (sweep mode)
Comparison and analysis of one- and two-dimensional modulations, such as amplitude modulation, frequency modulation, pahse modulations and higher-order modulations
Transmission of analogue audio signals and digital signals
Recovery of the carrier frequency

Main components:

Components of equipment sets

1	736285	Superheterodyn Receiver 100 MHz
1	736286	Superheterodyn Transmitter 100 MHz

**Measuring instruments:**
1	524013S 8	** Sensor-CASSY 2 Starter
1	5753041	* Digital storage oscilloscope 70 MHz

**Power supply:**
1	72686 4	** Stabilised power supply unit ±15 V / 3 A
1	726962 4	** Function generator 200 kHz

**Accessories:**
1	72609 4	** Panel frame T130, two-level
1	50059 8	** Safety bridging plugs, black, set of 10
1	500592 8	** Safety bridging plugs with tap, black, set of 10
2	500441 4	** Connecting lead 19 A, 100 cm, red
2	500442 4	** Connecting lead 19 A, 100 cm, blue
4	500444 4	** Connecting lead 19 A, 100 cm, black
2	50106 4	** HF-Cable, BNC-BNC, 1.5 m
1	50101 4	** BNC cable, 0.25 m
1	50109 4	** BNC/4-mm plug adapter, single-pole
3	57524 4	** Screened cable, BNC/4 mm Plug

Articles marked with ** are additionally required.

Articles marked with * are not essential, we do however recommend them to carry out the experiment.

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Compact transmission and reception technology

Description

Components of equipment sets

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