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ALT1000 Transmitter
Technical Specifications

Selectable Frequencies: 72.1 to 72.9, 74.7, and 75.5 to 75.9 MHz
Frequency Selection: Selectable by front panel up/down keys and LCD frequency read-out.
Frequency Generation: PLL Synthesis
Frequency Stability: ±10 ppm, 0° to 50° C
Tuning Step Size: 100 kHz
Modulation: FM, 230KF3E, multiplex stereo or mono
FM Deviation: ±75 kHz, maximum
Pre-Emphasis: 75 µSec.
RF Field Strength: 80 mV/m @ 3 m with supplied antenna or optional magnetic mount antenna
 Input Limiting: Switch selectable, low distortion
Audio Compressor: Switch selectable, 2:1 compression range limited
Audio Inputs: 2 XLR (left & right audio), 2 RCA Phono (left & right audio)
Frequency Response: 20 Hz to 15 kHz, ±3 dB referenced to a standard 75 mSec pre-emphasis curve
Ultimate S/N Ratio With Drake Model MR306 Receiver: >60 dB, monaural, >55 dB, stereo
Total Harmonic Disortion: Less than .25%, typical
Power Requirement: 12 VDC @ 250 mA, by supplied wall adapter
Antenna: Flexible 7 inch whip (optional magnetic mount antenna)
Size & Weight: 19" W x 1.75" H x 6.25" D (with antenna removed) 5 lbs.
Specifications, price, and availability are subject to change without notice or obligation.
DRAKE is a registered trademark of R.L. Drake, LLC.
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R.L. Drake, LLC
230 Industrial Drive
Franklin, OH 45005
U.S.A.

Sales: 937-746-4556
Fax: 937-806-1510
Parts and Service: 937-746-6990
In Canada: 705-742-3122

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