Malachite DSP SDR Receiver V5
Unknown - CUSTOM BUILT: China
- Fabricant / Marque
- Unknown - CUSTOM BUILT: China
- Année
- 2023 ?
- Catégorie
- Radio - ou tuner d'après la guerre 1939-45
- Radiomuseum.org ID
- 356607
Cliquez sur la vignette du schéma pour le demander en tant que document gratuit.
- No. de transistors
- Semi-conducteurs présents
- Semi-conducteurs
- Principe général
- DSP, traitement numérique du signal
- Gammes d'ondes
- PO, GO, plus que 2 x OC et FM
- Tension / type courant
- Batteries / Alim. BT séparée avec fiche / Li-Ion 3.7 / USB 5 Volt
- Haut-parleur
- HP dynamique à aimant permanent + bobine mobile
- Matière
- Boitier métallique
- De Radiomuseum.org
- Modèle: Malachite DSP SDR Receiver V5 - Unknown - CUSTOM BUILT: China
- Forme
- Portable, appareil de poche. Taille < 20cm
- Dimensions (LHP)
- 162 x 74 x 29 mm / 6.4 x 2.9 x 1.1 inch
- Remarques
-
The Malachite DSP SDR Receiver V5 is distributed by DeepElec shop in China, and it is one of many commercial and DIY projects based on the original Malahit DSP1 project owned by Malahiteam. A few firmware variants exists, however as the Malahit DSP1 is a proprietary project, new official releases must be acquired from Malahiteam.
Main specifications
- Frequency range: 10 kHz - 250 MHz and 400 MHz - 2 GHz
- Modulation type: AM, SSB, DSB, CW, NFM, WFM (Stereo RDS support)
- Sensitivity: 0.3 µV up to 1 GHz
- Dynamic range: 82 dB
- Spectrum width: 160, 80, and 40 kHz
- RF Front-End
- Single antenna socket
- Manual or Automatic input impedance selection (50 Ω or High-Z)
- 20 dB LNA RF pre-amplifier
- 0 - 31.5 dB RF attenuator controlled by software
- Pre-selector with 10 band pass filters
- DSP functions
- Variable filter width
- Adaptive squelch (NR)
- Threshold squelch
- Noise canceller (NB)
- Automatic gain control(AGC)
- Automatic notch filter (ANF)
- Stereo FM with RDS support,
- Audio Equalizer
- Analog stereo output
- 3.5" 480x320 Color LCD Touchscreen
- USB-C port with support of CAT, IQ and audio when connected to a computer
- Power supply: Built-in 3.7 V 5000 mAh lithium battery
- Shipped with proprietary modified firmware version 1.10d
Brief technical details
The RF Tuner is divided in three sections, each one shielded by metal covers.The section 1 contains the Front-end LNA, attenuator and some pre-selector filters and RF switches. The section 2 contains the remaining pre-selector filters and RF switches. The section 3 contains the MSi001 RF Tuner chip by MIRICS (U15) and the NAU88C22 Audio CODEC and Speaker Driver chip (U1).
A STM32H743-VIT6-V 480MHz, 32-bit ARM Cortex-M7, 1MByte Flash,, 512KByte RAM chip (U5) and a RS256B/FM25W256 32KByte F-RAM (U17) manages the radio.
The power supply and control circuitry uses several active devices, namely a TP4056 battery charger (U20), four LDO regulator chips (U3, U32, U19, U23), and several transistors.
- Poids net
- 0.350 kg / 0 lb 12.3 oz (0.771 lb)
- Auteur
- Modèle crée par Jose Mesquita. Voir les propositions de modification pour les contributeurs supplémentaires.
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Collections
Le modèle Malachite DSP SDR Receiver fait partie des collections des membres suivants.