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MicroHAM USB III

Le immagini e le descrizioni sono indicativi
Le caratteristiche tecniche possono subire variazioni in fase di costruzione della ditta fornitrice.

ATTENZIONE I CAVI NON VENGONO INCLUSI

The USB-III CAT interface contains an own soundcard, which is connected via USB to the computer. So you don't need separate audio cables to the computer anymore, the original sound card of your computer remains free for other applications. The sound card of the USB-III device offers two distinct advantages over standard cards: a lower noise level and a higher dynamic range (typ. 87dB). This makes this sound card much more suitable for demanding amateur radio applications. All connections to and from the computer and radio are isolated either by transformers or optically. Control lines exist for CAT, PTT, CW/FSK and Squelch.

The USB-III interface works with all computers with USB connector. Drivers are available for Windows 2000/XP/Vista/Windows7 32/64-Bit, as well as Apple G4 with OS-X 10.4 or later, and for up to date Linux distributions. Windows 98/98SE is not supported. Support for Windows7 64-Bit is included since version 7.6.1.

What is Pseudo-FSK/Pseudo-CW?

For 'real' FSK keying one would normally require a true UART chip in the computer (parallel to serial converter, COM-Port). With a virtual COM port such a device is simulated by the USB driver, but only with some problems. Depending on the load of the computer the timing of keying can vary (jitter) or be delayed (latency). The leads to not very clean telegraphy keying. With RTTY/FSK the characters might be illegible on the receiving side due to timing errors.

Now some multi mode programs have found a good solution to this USB driver issue. Instead of toggling a handshake line of the virtual comport, an audio signal is sent (or not) to the right channel of the soundcard output. An additional hardware decoder within the USB-III interface detects the presence or absence of the tone and uses this information to key the FSK or CW line to the radio.

This leads to a much more precise timing with FSK and CW. Especially when using high speed telegraphy or QSK this is very beneficial. When using RTTY/FSK you can be sure that all characters are sent with the proper and consistent baudrate.

Of course the radio must support FSK keying to use this function with RTTY. When using AFSK this problem does not exist.

  • No COM or LPT port necessary, just one USB port
  • Complete "Computer <-> Radio" electrical isolation
  • Integrated computer control port for all radios CI-V, FIF-232, IF-232, RS-232
  • Squelch input for signaling to computer
  • No external power adapter required
  • Strong RFI immunity
  • Quick change connectors
  • Two controls for TX and RX audio
  • Pseudo-FSK, Pseudo-CW keying for certain programs
  • LEDs for easy visual feedback of CAT, CW, PTT, SQL
  • Metal/Aluminum case, powder coated and silk screened
  • Free, time unlimited firmware/software upgrades via internet

Technical data

  • USB: USB 2.0 Full speed , USB 1.1 compatible
  • CAT RXD, TXD, max. 57600 Bd
  • CW: open collector, driven from DTR, max 30V/400mA
  • PTT: open collector, driven from RTS, max 30V/400mA
  • FSK: open collector, driven from DTR (requires EXTFSK from MMTTY. or pseudo FSK from fldigi)
  • SQL input: close to ground or high (two inputs) to activate. Wired to CTS
  • Size: 103mm x 28mm x 101mm (BxHxT)
  • Weight: 220 gr (senza cavi)

Includes

  • USB-Interface II
  • CD-ROM with driver software, manual
  • USB cable (A/B)

Important: Cable to radio needs to be ordered separately!



 


I prezzi, le immagini e le descrizioni sono indicativi. Le caratteristiche tecniche possono subire variazioni in fase di costruzione della ditta fornitrice.

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DB15-IC8 Icom IC-707, IC-725, IC-726, IC-728, IC-729, IC-735, IC-736, IC-737, IC-738
IC-746, IC-746Pro, IC-7400, IC-756, IC-756Pro, IC-756ProII, IC-756ProIII
IC-761, IC-765, IC-775, IC-7600, IC-7700, IC-781, IC-910
 
DB15-IC13 Icom IC-703, IC-706, IC-706mkII, IC-706mkIIG, IC-718, IC-78, IC-7000, IC-7100, IC-7200, IC-7300, IC-7410, IC-9100  
DB15-TS6 Kenwood TS-140, TS-440, TS-450, TS-680, TS-690
TS-711, TS-790, TS-811, TS-850, TS-940, TS-950
TS-140, TS-680 - benötigt Kenwood IF-10C
TS-711, TS-811 - benötigt Kenwood IF-10A
TS-940 - benötigt Kenwood IF-10B
 
DB15-TS9 Kenwood TS-570, TS-590S, TS-870, TS-2000  
DB15-TSMINI6 Kenwood TS-480HX, TS-480SAT  
DB15-FT450 Yaesu FT-450, FT-991  
DB15-FTMINI8 Yaesu FT-100, FT-817, FT-857, FT-897  
DB15-FT736 Yaesu FT-736  
DB15-FT847 Yaesu FT-847  
DB15-FT890 Yaesu FT-890, FT-900  
DB15-FT920 Yaesu FT-920  
DB15-FT950 Yaesu FT-950, FT-DX3000D, FT-DX1200  
DB15-FT1000M Yaesu FT-1000MP, FT-1000MP MkV, FT-1000MP MkV Field, FT-2000, FT-2000D, FTDX-5000, FTDX-5000D, FTDX-5000MP  
DB15-FT1000D Yaesu FT-1000D (requires ROM Version 6.0 or higher)  
DB15-FT9000 Yaesu FT-DX9000, all Versions

 

 

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MicroHAM USB III

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  • Visite: 2578
  • Produttore: microHAM
  • Codice articolo: microHAM USB-III
  • Disponibilità: Disponibile
  • 135,00€
  • IVA esclusa: 110,65€

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Tag: MicroHAM USB III, ATTENZIONE I CAVI NON VENGONO INCLUSI The USB-III CAT interface contains an own soundcard, which is connected via USB to the computer. So you don't

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