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"Motrac 450” Mobile Radio

GUARANTEED PERFORMANCE SPECIFICATIONS

MINIMUM MAXIMUM BATTERY DRAIN**
MODEL RF POWER MAXIMUM FREQUENCY OPERATION
OUTPUT INPUT POWER Standby @ 13.8 v Receive @ 13.8 v Transmit
____
T64MST-Series 75 watts 180 watts .475 a. 1.95 a 34.5 a. @ 13.4v
450-470 MHz ' 1Z VUG
T74MST-Series 90 watts 220 watts .475 a. 1.95 a 40.0 a. @ 13.2v
*Radio supplied for operation with negative ground vehicles; optional kit available to permit interchangeable positive or negative ground operation.
*Add 0.14 amp for positive ground operation. Subtract 0.20 amp when radio is used without on-off pilot lamp. Add 10 ma for timeout timer. Add
1.0 amp during transmit for widespace units when on low frequency channels.
NO. OF FREQUENCIES: 450-470 MHz units: One, four, eight and twelve frequency models are available—Trunk Mount Only
SQUELCH OPTIONS: Standard squelch type—1000 Series Models; “Private-Line” tone coded squelch—3000 Series Models
DIMENSIONS: 3^zz high x 13%zz wide x 18VVJong (eight & 12 frequency models 3" longer)
WEIGHT: Approximately 31 lbs. (Shipping weight, including accessories: approx. 50 lbs.) Eight and twelve frequency models ap­
proximately 4 lbs. heavier—unit weight & shipping weight.
METERING: A single scale 0-50 microampere meter or Motorola Portable Test Set can be used to measure all circuits
essential to tuning and checking.

RF Power Output: 75 & 90 watts SPLIT CHANNEL
Channel Spacing: 25 kHz
Output Impedance: 50 ohms
Frequency Stability: Channel Element maintains oscillator EIA Modulation
frequency within ±.0005% Acceptance: ±7 kHz minimum
(±.0002% optional) from —30°C to
+ 60 C ambient ( + 25C reference)
Selectivity—
Frequency Separation: EIA SINAD: 90 dB
Standard Models: Up to ±500 kHz max. with no
degradation. Frequency Stability: Receiver Stability ±0.0002% AFC
Widespace Models: Two frequencies, or two groups of from —30°C to +60°C ambient
frequencies, may be spaced from 4 to
6 MHz apart; frequencies within either ( + 25°C reference) (±.0005 optional)
group may be spaced ±500 kHz.
Frequency Separation: Up to 0.5 MHz with no degradation
Frequency Capability: Up to 12 frequencies
Spurious & Harmonics: More than 90 dB below carrier. Frequency Capability: Up to 12 frequencies
Modulation: 16F3: ±5 kHz for 100% @ 1000 Hz NO WITH
Audio Sensitivity: 0.165V ±3 dB for 2/3 max. deviation PREAMPLIFIER PREAMPLIFIER
at 1000 Hz Sensitivity—
20 db Quieting: 0.5 /zv 0.25 /xv
FM Noise: 60 dB below 2/3 rated deviation at
1000 Hz EIA Sinad: 0.35 /zv 0.175 /xv
Audio Response: + 1, — 3dB of 6 dB/octave pre-em­ Intermodulation—
phasis characteristics from 300 to
3000 Hz EIA Sinad: 80 dB 75 dB
Audio Distortion: Less than 3% at 1000 Hz; 2/3 max. Spurious and
deviation Image Rejection: 100 dB min. 100 dB min.
FCC Designation: Squelch Sensitivity—
±.0005% ±.0002%
(at threshold)
Standard Units 75W (IF) CC4084 CC4084C Carrier Squelch: 0.25 /xv 0.125 /xv
75W (4F) CC4085 CC4085C
90W (IF) CC4086 CC4086C Tone-Coded Squelch: 0.25 /zv 0.125 /xv
90W (4F) CC4087 CC4087C
90W (8 & 12F) CC4091 CC4091C input Impedance: 50 ohms
Widespace Units 75W (4F) CC4088 CC4088C
90W (4F) CC4089 CC4089C Audio Output: 5 watts at less than 5% distortion
90W (8 & 12F) CC4090 CC4090C (into a 3 ohm load @ 1000 Hz.)

Motorola guarantees that this equipment, at the time of proper installation, will meet or exceed the per­
formance specifications listed above.

MOTOROLA COMMUNICATIONS AND ELECTRONICS, INC.
A Subsidiary of Motorola, Inc.
1301 E. Algonquin Road, Schaumburg, Illinois 60172 • (312) 358-7900
(g), Motorola, “Motrac," “Sensitron" and “Private-Line” are trademarks of Motorola Inc.
Printed in U.S.A. (702) Merit Copyright 1970 by Motorola, Inc. E-930