Including:
·
1
Experiment card with AM modulator/demodulator, AM modulator switchable between
AM/DSB, product demodulator and diode detector
·
1
Experiment card with AM receiver and HF input stage
·
1
Experiment card with AM IF (intermediate frequency-), LF (low-frequency)
amplifier
·
CD-ROM
with browser and course software
Course contents:
·
Introduction
to the design and function of Hartley- and Colpitts oscillators
·
Tuning
oscillators
·
Introduction
to principles of capacitive and inductive feedback
·
Investigation
of resonance conditions (self-excitation) by measurement
·
Design
and investigation of an AM transmitter
·
Tuning
an oscillator and measuring various degrees of modulation
·
Measuring
the frequency response of the output voltage of an oscillator
·
Design
and investigation of an AM receiver
·
Introduction
to the principle of receiver design
·
Tuned
radio frequency receivers
·
Superhet
receivers
·
Automatic
gain control AGC
·
Automatic
frequency control AFC
·
Investigation
of a phase discriminator (Foster-Seeley) by measurement
·
Introduction
to the terms signal-to-image ratio (far-off selectivity) with and without
pre-selector stage
·
Demonstration
and determination of the image frequency in superhet receivers by measurement
·
Investigation
of filter curves of high-frequency input stages IF amplifiers by measurement
·
Determination
of adjacent-channel selectivity
·
Design
of a medium-wave AM single stage superhet receiver with full-range tuning
Course
duration 4.5 h approx.
ISO 9001:2015
