MX803A
MX803A is Audio Signaling Processor manufactured by MX-COM.
- Part of the MX803A-MX comparator family.
- Part of the MX803A-MX comparator family.
Features
- Full Duplex Audio Signaling Processor Single Tone Selective Call systems
- Tone Decoder with programmable NOTONE timer.
- Two Individual tone encoders and a programmable TX Period Timer.
- Low Power CMOS Device
- On-Chip programmable amplifier.
- C-BUS patible
PRELIMINARY INFORMATION
Applications
- Signaling Systems supported Sel Call (CCIR, EEA, ZVEI I / II /III) 2-Tone Sel Call DTMF Encode
- Inband Tone Signaling capability for LMR and other Radio Systems.
SIGNAL INPUT BIAS
(RX) AUDIO IN
DIGITAL NOISE FILTER 1
RX FILTER SWITCH
DIGITAL NOISE FILTER 2
QUALITY METER
GATE TIME GENERATOR
PROGRAMMABLE (TX PERIOD) TIMER
FREQUENCY COUNTER
VBIAS VSS
XTAL/ CLOCK
XTAL
CLOCK GENERATOR
AUDIO SWITCH IN
AUDIO SWITCH
TONE 1 GENERATOR
5-/2-TONE DTMF 1
VBIAS
_
+ SUMMING AMPLIFIER
TONE 2 GENERATOR
CUES/DTMF 2
PROGRAMMABLE NOTONE TIMER
MAND DATA
C-BUS INTERFACE
REPLY DATA CHIP SELECT
AND...
