FM Tuner Delta 280

An FM stereo hi-fi tuner with a digital display and remote control (CR25).  Press buttons for Auto automatic/manual tuning, Tuning up and down, IF filter, Mono and Display on/off. Signal strength meter. Memory for 20 preset radio stations. RCA sockets for two audio outputs, a 75ohm socket for FM aerial (some examples have two FM aerial sockets with a selector switch).

Uses sealed front-end module, more than 21 integrated circuits and more than 33 transistors.

Specification
FM tuning range                   87.5 to 108.0MHz
Tuning system                     Phase-locked-loop
Frequency step                    50kHz
Presets                               20
Sensitivity (HF)                    typically 1.4uV
Alternate channel selectivity better than 60dB
AM suppression ratio           better than 50dB
Capture ratio                       typically 1.5dB
Signal Strength meter          4 segment LED
    sensitivity                          typically 2uV to 2mV
Frequency response            20Hz-12kHz +/-0.5dB
                                            typically -2dB at 15kHz
Ultimate S/N ratio (CCIR)
           Mono                      better than 75dB
           Stereo                     better than 72dB
Total harmonic distortion 96MHz reference, 22.5kHz deviation at 1kHz
           Mono                      better than 0.10%
           Stereo                    better than 0.30% (using MPX filter)
Channel separation (1kHz)  better than 40dB
Pilot tone suppression        better than 50dB
Output impedance              25ohm
Min. recommended load     1kohm
Output level                       850mV at 75kHz deviation

Supplied accessories         
  FM dipole aerial
  co-ax plug adaptor
  mains lead
  CR25 Handi-Remote control
  F-Type aerial adaptor

Donde encontrará 22 modelos, 22 con imágenes y 2 con esquemas.
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