Index

1 dB compression point

– 3 dB bandwidth

50 Ω system

– 6 dB bandwidth

– 60 dB bandwidth

– 80 dB bandwidth

 

Absolute level

Absorption capability (maximum)

Acquisition receiver

Adcock

direction finder
principle

A/D converter

Adjacent channel

ratio
selectivity
suppression

Advantages of trunking

Aeronautical navigation

Aging process

Air

interface
traffic
control
radio
radio frequency bands

Airway marker

Aliasing

All-digital

receiver, ADR
transceiver, ADT

All-wave receiver

Allocation of frequencies (supra-regional)

Amateur

radio
radio frequency bands
receiver

Ambiguities

(direction finding)
(mixing)

Amplitude

instability
keying
modulation, AM
detector
suppression
noise
synchronization

Analysis

receiver
software
(of radio scenarios)

Angle of rotation (direction finder)

Antenna

(active)
area (effective)
(auxiliary)
(circular)
factor
noise figure
rotational frequency

Aperture jitter

Attack time (AGC)

Audio

broadcasting frequency bands
frequency, AF
AGC
frequency response
reproduction properties
shift keying, AFSK
signal path
transmitter

Audion

principle

Automatic

direction finder, ADF
frequency control, AFC
gain control, AGC
control range
criterion
(delayed)
knee
limiting point
nominal range
threshold
time constant
voltage
level control, ALC

Auxiliary antenna

Azimuth

 

Background radiation (cosmic)

Ball receiver

Band occupancy

Bandpass

filter (multi-circuit)
subsampling

Bandwidths reduction (automatic)

Baseband

branch

Base transceiver station, BTS

Beacon

Bearing

angle
basis
calculation ...

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