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TNM-M-E-0001 Page 5
1.5 Glossary
The following specific abbreviations are used in this handbook:
ADC Analog to Digital Converter
AFC Automatic Frequency Control
AGC Automatic Gain Control
CODEC COde (Analog to Digital Converter) / DECode (Digital to Analog
Converter) integrated circuit.
CTCS Continuous Tone Controlled Squelch System
DAC Digital to Analog Converter
DSP Digital Signal Processor
FPGA Field Programmable Gate Array
I The In phase baseband signal produced by the internal “I” mixer of
demodulator U401.
PLL Phase Locked Loop
PSD Peak System Deviation
PMR Private Mobile Radio
Q The Quadrature baseband signal produced by the internal “Q” mixer of
demodulator U401. This signal is 90° out of phase with the I signal.
RSSI Receiver Signal Strength Indicator
TCXO Temperature Compensated Crystal Oscillator