Maxon Telecom SM-2000 TX Tone Modulation Characteristics, SUB Audible Tones DCS, Receiver

MAXON SM-2000 MOBILE

SPECIFICATIONS

TX TONE MODULATION CHARACTERISTICS

Sub audible tones - CTCSS

Tone range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 – 250 Hz @ 0.3 % accuracy Tone standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RS-220A EIA Standard Non-standard tones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 – 260 Hz @ 0.3 % accuracy Nominal tone deviation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 % peak system deviation

SUB AUDIBLE TONES - DCS

Tone standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Normal and inverted Nominal tone deviation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 % peak system deviation

RECEIVER

Performance without sub audible modulation . . . . . . . . . . . . . . . Method ETS 300-086 JAN 1991 unless stated

Sensitivity 12 dB SINAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < - 118 dBm Amplitude characteristic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 3 dB

Co-channel rejection

25 kHz	<- 6 dB
12.5 kHz	<- 10 dB
Adjacent channel selectivity
25 kHz	> 70 dB @ nominal conditions
12.5 kHz	> 60 dB @ nominal conditions

Spurious response rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 70 dB (100 kHz - 4 GHz)

Intermodulation response rejection

+ (25 kHz & 50 kHz) > 65 dB (3 generator method)

+(50 kHz & 100 kHz)

Blocking
+ 1 MHz	> 85 dB
+ 5 MHz	> 85 dB
+ 10 MHz	> 85 dB
RX spurious emissions (conducted)
9 kHz – 1 GHz	- 57 dBm
1 GHz – 4.0 GHz	- 47 dBm
RX spurious emissions (radiated)
9 kHz – 1 GHz	-57 dBm
1 – 4.0 GHz	-47 dBm

Page-4-

December 98