Transmitter specifications, Receiving digital individual calls – Midland Radio SYN-TECH III P25 User Manual

Page 74

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Syn-Tech III P25 Portable Radio

OPERATION MANUAL

680-090-2040
Version 6.0

http://www.midlandradio.com

66

8.2 Transmitter

Specifications

TRANSMITTER SPECIFICATIONS

VHF

UHF

Frequency Range

136-174 MHz

380-470 MHz

Frequency Separation

Full Bandsplit

Full Bandsplit

Channel Spacing

12.5 / 20 / 25 / 30 kHz

12.5 / 20 / 25 / 30 kHz

Frequency Step

2.5 / 3.125 kHz

2.5 / 3.125 kHz

Rated RF Output Power *

1-5 W

1-5 W

Frequency Stability *
(-30

°C / +60°C; 25°C ref)

± 2.5 ppm

± 1.5 ppm

Modulation Limiting *
Analog 25 kHz channel
Analog 12.5 kHz channel

± 5.0 kHz

± 2.5 kHz

± 5.0 kHz

± 2.5 kHz

C4FM Modulation Fidelity **
RMS Error
C4FM Deviation

≤ 2 %

1800

±100 Hz

≤ 2 %

1800

±100 Hz

Spurious Emissions *
(Conducted and Radiated)

≤ -70 dBc

≤ -70 dBc

Audio Frequency Response *
(6 dB/Octave Pre-emphasis
from 300 to 3000 Hz)

+1, -3 dB

+1, -3 dB

Hum and Noise Ratio
Analog 25 kHz channel *
Analog 12.5 kHz channel *

≥ 52 dB
≥ 46 dB

≥ 46 dB
≥ 40 dB

Audio Distortion *

≤ 1 %

≤ 1 %


* Measured in the analog mode per EIA-603 under nominal conditions.
** Measured in the digital mode per TIA-102.CAAA under nominal conditions.


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