Midland Syn-Tech III P25 Instruções de Operação descarregar pdf (Página 81)

Syn-Tech III P25 Portable Radio

OPERATION MANUAL

680-090-2040

Version 6.4

http://www.midlandradio.com

8.1 Receiver Specifications

RECEIVER SPECIFICATIONS

VHF

UHF

Frequency Range

136-174 MHz

380-470 MHz

Frequency Separation

Full Bandsplit

Channel Spacing

12.5 / 20 / 25 / 30 kHz

Frequency Step

2.5 / 3.125 kHz

5.0 / 6.25 kHz

Rated Audio Output Power *

500 mW / 8 Ω

Frequency Stability *

(-30C / +60C; 25C ref)

 2.5 ppm

 1.5 ppm

Analog Sensitivity *

12 dB SINAD

Digital Sensitivity **

5% BER

1% BER

≤ -119 dBm

≤ -120 dBm

≤ -117 dBm

≤ -118 dBm

≤ -119 dBm

≤ -116 dBm

Adjacent Channel Rejection

Analog 25 kHz channel *

Analog 12.5 kHz channel *

Digital 12.5 kHz channel **

≥ 73 dB

≥ 63 dB

≥ 70 dB

≥ 60 dB

Intermodulation Rejection *

≥ 73 dB

Spurious Response Rejection*

≥ 73 dB

Hum and Noise Ratio

Analog 25 kHz channel *

Analog 12.5 kHz channel *

Digital 12.5 kHz channel **

≥ 48 dB

≥ 42 dB

≥ 50 dB

≥ 42 dB

≥ 36 dB

≥ 50 dB

Audio Distortion *

≤ 3 %

* 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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