xvi 6881086C22-B
Specifications for ASTRO Spectra/Spectra Plus VHF Models
Specifications for ASTRO Spectra/Spectra Plus VHF Models
GENERAL RECEIVER TRANSMITTER
FCC Designation: AZ492FT3772
Temperature Range: –20°C to +50°C
Power Supply: 115 VAC/230 VAC
12 Vdc
AC Current Drain: (Maximum)
25-50 Watts Variable:
Receive: 0.7A/0.4A
Transmit: 2.30A/1.16A
DC Current Drain: (Maximum)
25-50 Watts Variable:
Receive: 3A
Transmit: 13.5A
Dimensions (H x W x D):
4.25" x 15.75"x 17"
(108 mm x 400 mm x 432 mm)
Weight: 16.1 lbs (7.3 kg)
Frequency Range:
Range 1: 136-162 MHz
Range 2: 146-174 MHz
Channel Spacing: 12.5/25/30 kHz
Input Impedance: 50 Ohms
Frequency Separation: Full Bandsplit
Analog Sensitivity:+
20 dB Quieting
(25/30 kHz Channel Spacing):
With Optional Pre-Amp 0.25µV
Without Optional Pre-Amp 0.40µV
12 dB Quieting
(25/30 kHz Channel Spacing):
With Optional Pre-Amp 0.20µV
Without Optional Pre-Amp 0.30µV
Digital Sensitivity:*
1% BER (
12.5 kHz Channel Spacing):
With Optional Pre-Amp 0.25µV
Without Optional Pre-Amp 0.40µV
5% BER
(12.5 kHz Channel Spacing):
With Optional Pre-Amp 0.20µV
Without Optional Pre-Amp 0.30µV
Selectivity:+
25/30 kHz Channel Spacing: –80 dB
12.5 kHz Channel Spacing: –70 dB
Intermodulation:+*
(25/30 kHz Channel Spacing)
With Optional Pre-Amp –80 dB
Without Optional Pre-Amp –85 dB
Spurious Rejection:+*
With Optional Pre-Amp –80 dB
Without Optional Pre-Amp –83 dB
Audio Output at External Speaker:
(Local Control Only) 5W@<5% Distortion
Frequency Range:
Range 1: 136-162 MHz
Range 2: 146-174 MHz
Channel Spacing: 12.5/25/30 kHz
Output Impedance: 50 Ohms
Frequency Stability
(–20 to +50°C; 25°C Ref.): ± .00025%
Modulation Limiting:+
25/30 kHz Channel Spacing: ±5.0 kHz
12.5 kHz Channel Spacing: ±2.5 kHz
Modulation Fidelity (C4FM):*
12.5 kHz Channel Spacing: ±2.8 kHz
FM Hum and Noise:+
25/30 kHz Channel Spacing: –50 dB
12.5 kHz Channel Spacing: –40 dB
Emissions:+*
(Conducted and Radiated) –70 dB
Audio Response:+
(6 dB/Octave Pre-Emphasis +1, –3 dB
from 300 to 3000 Hz)
Audio Distortion:+ 2%
Emissions Designators:
8K10F1E/F1D, 10K0F1D/F2D, 10K4F3E,
11K0F1D/F2D/F3E, 15K0F1D/F2D,
16K0F3E, and 20K0F1E/F1D
+ = Measured in Analog Mode per TIA/EIA-603
* = Measured in Digital Mode per TIA/EIA TSB102.CAAB
Specifications subject to change without notice.