Specifications

PRODUCT PREVIEW
MR7083
AM/FM TUNER
Project 616
Contents
Promotional Highlights 1
Features and Benefits 1
Performance Specifications
FM Section 2
AM Section 3
Front Panel Information 3
General Information 3
Rear Panel Information 4
Technical Description 4
PROMOTIONAL HIGHLIGHTS
• New Tuning System Featuring Electronic Memory
for Eight FM and Eight AM Stations, Digital
Frequency Display and Scan, yet retains the
familiar tuning knob.
• Double-Diffused Metal Oxide Field Effect
Transistor (DMOS-FET) RF Amplifier.
• Double Balance Mixer
• Ultra Stable - Linear Phase - Piezoelectric IF Filters
for FM/AM
• Phase Locked Loop FM Multiplex Decoder
• 19kHz Pilot and 38kHz Carrier Suppression
Circuitry
• LED Tuning Indicator
• Electronically Regulated Power Supply
• Modular Construction
• Internal Audio Processor
• Memory Search
• Wide Band AM
• New AM Input Circuit with a Low Impedance
Loopstick Antenna
• Remote Control Interface
• New 7000 Series Styling
• Horizontal and Vertical Scope Outputs
FEATURES AND BENEFITS
NEW TUNING SYSTEM
1. Scan or Manual Tuning in the FM or AM band.
2. Electronic memory for 8 FM or AM stations.
3. Mode memory - returns to last selected mode of
operation when power switch is turned on.
4. Exact digital display of tuned frequency.
5. Each time a frequency change takes place it
locks on the center of the channel.
6. Automatic muting when changing stations.
DMOS-FET RF AMPLIFIER
1. Better Sensitivity
2. Better Cross Modulation rejection
DOUBLE BALANCED MIXER
1. Better spurious response rejection.
2. Better local oscillator isolation.
LINEAR PHASE. PIEZOELECTRIC IF FILTER
1. Never require adjustment.
2. Lower distortion.
PLL MPX
1. Better separation.
2. Lower noise.
MClNTOSH LABORATORY INC., 2 CHAMBERS STREET, BINGHAMTON, NEW YORK 13903