MT-500
59
TRANSMITTER
Power Output:
25 Watts or 1 Watt switchable.
Tx Current:
6 Amps @ 25W Tx.
1 Amp @ 1W Tx.
Modulation:
G3E for Voice, G3B for DSC Data.
Transmit Frequencies:
156.025Mhz - 157.425Mhz @ 25Khz spac-
ing.
Spurious/Harmonic Emissions: Less than 0.25µW.
Modulation Distortion:
Less than 4% @ 1Khz for +/-3Khz devia-
tion.
Modulation Limiter:
+/-5Khz deviation with 100% modulation.
Frequency Response:
M6dB/Octave slope within
+1/-3dB from 300 to 2500Hz.
18dB/Octave beyond 3000Hz. Audio Low
Pass Filter is included.
Hum & Noise:
Less than -40dB.
RECEIVER
Receive Frequencies:
156.300Mhz - 162.000Mhz @ 25Khz spac-
ing.
Sensitivity:
0.5µV or less for 20dB SINAD
Squelch Range:
0.25µV to 0.80µV @ full squelch
Audio Output Power:
3.0W minimum @ 4 Ohms with less than
10% distortion.
Receiver Current:
200mA in Standby ( 2 receivers)
Modulation Acceptance:
+/-7 kHz minimum.
Adjacent Channel Selectivity:
Less than -70dB for +/-25Khz.
Image Rejection:
Less than -70dB.
Intermodulation Spurious
Response:
Less than -70dB.
Noise Level:
Less than -40dB unsquelched.
Audio Frequency Response:
Matches -6dB/Octave slope within
+1/-3dB from 300 to 2500Hz, 18dB/Octave
over 3000Hz.
Summary of Contents for MT-500
Page 56: ...MT 500 55 9 3 Troubleshooting...
Page 62: ...MT 500 61 Table 1 of 2...
Page 63: ...62 MT 500 Table 2 of 2...
