Vhf Radio Specifications - Motorola ASTRO Digital Spectra Plus Detailed Service Manual

Model Numbering, Charts, and Specifications

VHF Radio Specifications

GENERAL
FCC Designations:
Temperature Range:
Operating:
Storage:
Power Supply: 12 Vdc Negative Ground Only
Battery Drain: (Maximum)
10–25 Watt Variable:
Standby @ 13.8 V:
Receive at Rated Audio @ 13.8 V:
Transmit @ Rated Power:
25–50 Watt Variable:
Standby @ 13.8 V:
Receive at Rated Audio @ 13.8 V:
Transmit @ Rated Power:
50–110 Watt Variable:
Standby @ 13.8 V:
Receive at Rated Audio @ 13.8 V:
Transmit @ Rated Power:
Dimensions (H x W x D)
W4, W5, and W7 Models:
Remote-Mount Control Head: 2.0" x 7.1"x 2.2"
(50.8 mm x 180.3 mm x 55.9 mm)
Dash-Mount Radio: 2.0" x 7.1"x 8.6"
(50.8 mm x 180.3 mm x 218.4 mm)
W9 Model:
Remote-Mount Control Head: 3.4" x 6.5"x 1.7"
(86.4 mm x 165.1 mm x 43.2 mm)
Speaker: (excluding mounting bracket)
5.5" x 5.5"x 2.5"
(139.7 mm x 139. 7mm x 63.5 mm)
Weight:
Mid-Power Radio:
High-Power Radio: 11.2 lbs (5.1 kg)
Speaker:
All measurements are taken in the test mode at 25 kHz channel spacing except where indicated.
6881076C25-E
AZ492FT3772 Frequency Range:
AZ492FT3773 Range 1:
Range 2:
-30°C to +60°C Channel Spacing:
-40°C to +85°C
Input Impedance:
Frequency Separation:
Range 1:
Range 2:
0.8 A
3.0 A Sensitivity: (per EIA spec. RS204C)
7.0 A 20 dB Quieting: (25/30 kHz Channel Spacing)
With Optional Preamp:
0.8 A Without Optional Preamp:
3.0 A 12 dB SINAD (25/30 kHz Channel Spacing)
13.5 A With Optional Preamp:
Without Optional Preamp:
0.9 A
4.0 A Selectivity: (per EIA Specifications)
27.5 A (Measured in the Analog Mode)
25/30 kHz Channel Spacing:
12.5 kHz Channel Spacing:
Intermodulation: (per EIA Specifications)
(Measured in the Analog Mode)
With Optional Preamp:
Without Optional Preamp:
Spurious Rejection:
With Optional Preamp:
Without Optional Preamp:
Frequency Stability:
(-30° to +60°C; 25°C Reference):
6.1 lbs (2.8 kg) Audio Output: (per EIA Specifications)
(Measured in the Analog Mode):
1.5 lbs (0.7 kg) 5 Watts at Less Than 3% Distortion
10 Watts Optional with Reduced Duty Cycle
Specifications subject to change without notice.
RECEIVER
136–162 MHz
146–174 MHz
12.5 kHz, 25 kHz
50 Ohm
26 MHz
28 MHz
0.30 µV
0.50 µV
0.20 µV
0.35 µV
-80 dB
-70 dB
-70 dB
-80 dB
-80 dB
-83 dB
±0.00025%
12 Watts for High-Power Radios
TRANSMITTER
Frequency Range:
Range 1:
Range 2:
Rated Output Power:
Low-Power Radio: 10–25 Watt Variable
Mid-Power Radio: 25–50 Watt Variable
High-Power Radio: 50–110 Watt Variable
Channel Spacing: 12.5 kHz, 25 kHz
Channel Increment Step:
Output Impedance:
Frequency Separation:
Range 1:
Range 2:
Frequency Stability:
(-30° to +60°C; 25°C Ref.):
Modulation Limiting:
25 kHz/30 kHz Channel Spacing:
12.5 kHz Channel Spacing:
FM Hum and Noise:
(Measured in the Analog Mode):
Emission (Conducted and Radiated):
Audio Sensitivity:
(For 60% Max. Deviation at 1 kHz): 0.08V ±3 dB
Audio Response:
(Measured in the Analog Mode)
(6 dB/Octave Pre-Emphasis 300 to 3000 Hz):
Emissions Designators:
8K10F1E, 11K0F3E, 15K0F2D, 16K0F3E,
20K0F1E, and 15K0F1D
AZ492FT3771: 11K0F1D, 11K0F2D
AZ492FT3772: 10K0F1D, 10K0F2D
AZ492FT3773: 11K0F1D, 11K0F2D
September 5, 2008
xliii
136–162 MHz
146–174 MHz
2.5 kHz
50 Ohm
26 MHz
28 MHz
±0.00025%
±5.0 kHz
±2.5 kHz
-45 dB
-75 dB
+1, -3 dB