Performance Specifications For Spectra Conventional 4 Watt And 30 Watt Radios - Motorola Spectra Service Manual

PERFORMANCE SPECIFICATIONS FOR
SPECTRA CONVENTIONAL 4 WATT AND 30 WATT RADIOS
GENERAL
Channel Capability 128 Conventional 900MHz frequencies (A4 Model)
128 Conventional 900MHz frequencies (A5 Model)
128 Conventional 900MHz frequencies (A7 Model)
Primary Power 12Vdc negative ground only
Dimensions 2.0" H x 7.1" W x 8.6" L
Weight 5.5 lbs.
Metering All adjustments and alignments are performed electronically using an IBM Personal
Computer, a Radio Interface Box (RIB) and Radio Service Software.
Environmental Meets MIL 810D environmental specifications for vibration, shock, rain, dust, and salt fog.
Model Frequency
(MHz)
D37KMA7JA5_K TX: 896-902 RX: 935-941
935-941
D37KMA7JA7_K TX: 896-902 RX: 935-941
935-941
D37KMA7JA7_K TX: 896-902 RX: 935-941
935-941
D37KMA7JA4_K TX: 896-902 RX: 935-941
935-941
TRANSMITTER
Output Impedance
Spurious and Harmonic
Emissions
Frequency Stability
Modulation
Audio Sensitivity
Audio Response
Audio Distortion
Maximum Frequency
Separation
FM Hum and Noise:
EIA Method
RECEIVER
Channel Spacing
Sensitivity:
20dB quieting
EIA SINAD
Selectivity: EIA SINAD
Spurious & Image Rejection
Intermodulation: EIA SINAD
Input Impedance
Audio Output
Maximum Frequency Separation
Frequency Stability
ALL MEASUREMENTS IN TEST MODE WITH HEARCLEAR DISABLED.
FCC TRANSCEIVER DESIGNATION
ABZ89FT5665 (30 watts)
iv
Minimum RF
Power Output
30 watts
30 watts
4 watts
30 watts
50 ohms
More than 70dB below carrier (for EIA spec. RS152B)
±.00015% of assigned center frequency from –30°C to +60°C ambient (+25°C reference)
10K0F1D, 11K0F2D, and 11K0F3E
0.080V ±3dB for 60% maximum deviation @1000Hz
+1, –3dB of a 6dB/octave pre-emphasis characteristic from 300 to 3000Hz
Less than 2% @ 1000Hz, 60% maximum deviation
6MHz within each of two groups, 896-902 and 935-941MHz
–40dB
12.5kHz
(per EIA spec. RS204C)
.40µV
.30µV
–70dB @ ±12.5kHz; –80dB @ ±25kHz
90dB
–70dB @ ±12.5kHz; –80dB @ ±25kHz
50 ohms
105dB SPL @ less than 3% distortion
6MHz
±.00015% of assigned center frequency from –30°C to +60°C ambient
(+25°C reference)
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.
ABZ89FT5703 (4 watts)
Maximum Battery Current Drain
Operation Standby @
13.8V
+12Vdc .5A
+12Vdc .5A
+12Vdc .5A
+12Vdc .5A
Receiver @ Transmit @
13.8V Rated Power
2.5A 14.5A
2.5A 14.5A
2.5A 4.5A
2.5A 14.5A