Quartz PLL Synthesizer FM Stereo Tuner DA-F20

Mitsubishi Electric Corporation

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  • Year
  • 1978
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 208575

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • PLL, Phase-locked loop
  • Wave bands
  • FM Broadcast Band Only
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 220 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Quartz PLL Synthesizer FM Stereo Tuner DA-F20 - Mitsubishi Electric
  • Shape
  • Rack
  • Dimensions (WHD)
  • 425 x 170 x 264 mm / 16.7 x 6.7 x 10.4 inch
  • Notes

  • A hi-fi FM Stereo Quartz PLL Synthesizer tuner with both a rotary analogue dial and a digital frequency display housed in a metal case. With a rotary tuning control, LED Signal Strength, Tuning and FM Stereo indicators, push button switches for Mode (Auto, Mono), IF Band (Narrow, Wide), Muting, Lock and Recording Level Check. On the back, terminals for FM antennae, RCA phono sockets for fixed and variable Line output and for Multipath output and a rotary Output Level control.

    Specification  
    FM TUNER SECTION IHF
    Tuning range 88MHz - 108MHz
    Usable sensitivity  
     MONO
     STEREO    		 11.2dBf (2.0µV)
    22.7dBf (7.5µV)
    50dB quieting sensitivity  
     MONO
     STEREO    		 19.2dBf (5.0µV)
    39.2dBf (50µv)
    S/N ratio  
     MONO
     STEREO    		 80dB (WIDE), 75dB (NARROW)
    75dB (WIDE), 70dB (NARROW)
    Frequency response 30Hz-15kHz ±1dB
    THD (at 1kHz, 65dBf)  
     MONO
     STEREO    		 0.05% (WIDE), 0.15% (NARROW)
    0.08% (WIDE), 0.25% (NARROW)
    Capture ratio 0.8dB (WIDE), 1.3dB (NARROW)
    Alt. channel selectivity 45dB (WIDE), 75dB (NARROW)
    Spurious response ratio 100dB
    Image response ratio 100dB
    IF response ratio 100dB
    AM suppression 65dB (WIDE), 55dB (NARROW)
    Stereo separation  
     WIDE
     NARROW    		 50dB at 1kHz, 40dB at 10kHz
    45dB at 1kHz, 30dB at 10kHz
    Subcarrier product ratio 70dB
    SCA rejection ratio 70dB
    Output level/impedance FIXED  150mV/5kΩ
    VARIABLE  0V-500 mV/5kΩ

    Versions/Power requirements
    USA / 120V AC 60Hz
    Europe / 220V AC 50Hz

    Power consumption: 17.5 Watts

  • Net weight (2.2 lb = 1 kg)
  • 6.6 kg / 14 lb 8.6 oz (14.537 lb)
  • Price in first year of sale
  • 430.00 $
  • Source of data
  • - - Manufacturers Literature
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual Mitsubishi DA-F20)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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