Maxon Telecom SM-2000 service manual Specfications

MAXON SM-2000 MOBILE

SPECFICATIONS

Channel Spacing	Without sub audible tone		With sub audible tone modulation
	modulation		@ 10% peak deviation
(kHz)
		MAX DEV
25	+ 5.0 kHz		+ 5.0 kHz
12.5	+ 2.5 kHz		+ 2.5 kHz

Audio characteristic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (Method as FTZ 17 TR 2049 July 1988)

MOD Type G3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Within +1/-3 dB of 6 dB/octave

pre-emphasis curve:

300 Hz – 2.55 kHz for 12.5 kHz Channel Spacing

300 Hz – 3 kHz for 20 , 25 kHz Channel Spacing

MOD Type F3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Within +1/-3 dB of 6 dB/octave

pre-emphasis curve:

300 Hz – 2.55 kHz for 12.5 kHz Channel Spacing

300 Hz – 3 kHz for 20 , 25 kHz Channel Spacing

Adjacent channel power
25 kHz	< 70 dBc
12.5 kHz	< 60 dBc
TX spurious emissions (conducted)
9 kHz – 1 GHz	< -36 dBm
1 – 4.0 GHz	< -30 dBm
TX spurious emissions (radiated)
9 kHz – 1 GHz	< -36 dBm
1 – 4.0 GHz	< -30 dBm
TX spurious emissions (radiated)
9 kHz – 1 GHz	< -36 dBm
1 – 4.0 GHz	< -30 dBm

Modulation limiting characteristics . . . . . . . . . . . . . . . . . . . . . . . Method as FTZ17 TR2049 July 1988

=75% peak deviation

Transmitter audio distortion (without CTCSS) . . . . . . . . . . . . . . Method as FTZ17 TR 2049 July 1988

1 kHz modulation input < 5 %

Transmitter audio distortion (with CTCSS) . . . . . . . . . . . . . . . . . Method as EIA RS 220A Mar 79

Audio frequency 1 kHz	< 8 %
Any CTCSS frequency combined

Hum & noise (residual modulation) . . . . . . . . . . . . . . . . . . . . . . . . > 40 dB

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December 98