EONKO Portable DAB/FM radio audio player L-338DAB

Eonko Star Electronics Co. Ltd.; Shenzhen

Data
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  • Year
  • 2019 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 349589

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

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • DSP, Digital Signal Processor
  • Wave bands
  • DAB and FM, perhaps with Streaming [DABFM]
  • Details
  • HD or solid state memory
  • Power type and voltage
  • Batteries / addl. power jack / Li-Ion 3.7 / USB 5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.6 cm = 1.4 inch
  • Power out
  • 3 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: EONKO Portable DAB/FM radio audio player L-338DAB - Eonko Star Electronics Co. Ltd
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 70 x 110 x 32 mm / 2.8 x 4.3 x 1.3 inch
  • Notes

  • The EONKO L-338DAB pocket radio features FM and DAB/DAB+ bands, clock, and plays MP3 media files. 

    Main features

    • FM: 87.5 - 108 MHz (100 kHz steps)
    • DAB/DAB+:  174 - 240 MHz
    • Manual and ATS tuning
    • 100 Memory presets (50 for FM, 50 for DAB)
    • USB and TF ports to insert storage devices with MP3 audio files
    • Built-in 3.7V 700mAh Li-polymer battery charged from a dedicated USB port
    • 3.5 mm stereo earphone socket

    Brief technical details

    The System Menu shows the SW version L-338DAB-V11.

    The PCB assembly reference is ""L-338DAB  THK=1.0mm  2020-09-11"

    The design is based around a C912C DAB Module Ver.02B DAB/DAB+/FM digital receiver module mounted as a piggyback PCB into the main PCB assembly. The C912C module contains a SI4684-A10 FM/DAB/DAB+ receiver IC by Sysworks, a EN25Q80B-104HIP 8 Megabit Serial Flash Memory IC by EON, a 19.200 MHz tcxo, and a S51A LDO regulator IC by MicrOne.

    A  PT3300-HS 3.2W Class D/AB Audio Power Amplifier IC by PTC drives the built-in 36 mm 4 Ohm speaker.

    A custom AS20BP00974-25A4 Bluetooth/Audio processor by 杰理 / JL (zh-jieli) handles several tasks like MP3 files decoding and audio stereo output for earphones.

    A CA32F0602L3 Flash MCU by CACHIP manages the radio.

    The power supply uses some additional active components to handle the battery charging (a ME4057AN IC by MicrOne), voltage regulation (4A2D IC 3.3V LDO)  and some transistors as switches.

     

  • Net weight (2.2 lb = 1 kg)
  • 0.160 kg / 0 lb 5.6 oz (0.352 lb)
  • Author
  • Model page created by Jose Mesquita. See "Data change" for further contributors.

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The model EONKO Portable DAB/FM radio audio player is part of the collections of the following members.

 Forum

Forum contributions about this model: Eonko Star: EONKO Portable DAB/FM radio audio player L-338DAB

Threads: 1 | Posts: 1

The EONKO model L-338DAB available from Chinese online sellers, is also sold under the brand RADDY model RD23 from European and American online sellers.

The RD23 feature the same specifications as the L-338DAB. Even the user guide contents is the same. In fact the RD23 looks to be a L-338DAB model, as it shows the same exact label at the base of the cabinet where the EONKO L-338DAB model code can be seen.

Picture from the webite Radioddity for the RADDY RD23:

 

 

 

 

 

Jose Mesquita, 06.Oct.23

Weitere Posts (1) zu diesem Thema.