Motorola APX 7500 - Section 8 Specifications; APX 7500 Project 25 Multi-Band Consolette; Transmitter Specification

Specifications 45
SECTION 8 SPECIFICATIONS
8.1 APX 7500 Project 25 Multi-Band Consolette
8.1.1 Transmitter Specification
700 MHz 800 MHz VHF UHF R1 UHF R2
Frequency Range/
Bandsplits
764-776 MHz
794-806 MHz
806-824 MHz
851-870 MHz
136-174 MHz 380-470 MHz 450-520 MHz
Channel Spacing 25/12.5 kHz 25/20/12.5 kHz 30/25/12.5 kHz 25/12.5 kHz 25/12.5 kHz
Maximum
Frequency
Separation
Full Bandsplit Full Bandsplit Full Bandsplit Full Bandsplit Full Bandsplit
Rated RF Output
Power Adj*
10-30 Watts 10-35 Watts 10-50 Watts 10-40 Watts 10-45 Watts
(450-485 MHz)
10-40 Watts
(485-512 MHz)
10-25 Watts
(512-520 MHz)
Frequency Stability*
(–30°C to +60°C;
+25°C Ref.)
±0.00015 % ±0.00015 % ±0.0002 % ±0.0002 % ±0.0002 %
Modultion Limiting* ±5 kHz/±2.5 kHz ±5 kHz/±4 kHz
(NPSPAC) /±2.5 kHz
±5 kHz/±2.5 kHz ±5 kHz/±2.5 kHz ±5 kHz/±2.5 kHz
Modulation Fidelity
(C4FM)
12.5kHz Digital
Channel
±2.8 kHz ±2.8 kHz ±2.8 kHz ±2.8 kHz ±2.8 kHz
Emissions* Conducted+|Radiated+
–70/–85 dBc | –20/–40 dBm
Conducted+|Radiated+
–70 dBc | –20 dBm
Conducted+|Radiated+
–85 dBc | –20 dBm
Conducted+|Radiated+
–85 dBc | –20 dBm
Conducted+|Radiated+
–85 dBc | –20 dBm
Audio Response* +1, –3 dB (EIA) +1, –3 dB (EIA) +1, –3 dB (EIA) +1, –3 dB (EIA) +1, –3 dB (EIA)
FM Hum & Noise
(25 & 20 KHz/12.5
KHz)
40/34 dB 40/34 dB 50/40 dB 45/40 dB 45/40 dB
Audio Distortion* 2% 2% 2% 2% 2%