Warning!
Please read the user manual included in this work as it contains important information related with safety of installation and use of the device. Only persons who read the user manual may use the device. The user manual must be kept because it may be required in the future. The device is to be used exclusively for purposes specified in this user manual. The device must be unpacked prior to starting-up. After removing the packaging make sure the device is in working order. If the product has defects, it should not be used until it is repaired. The product is intended for use at home and commercial use and may not be used for other than intended use. The manufacturer is not liable for damages resulting from not adhering to the rules contained in the user manual, therefore, we recommend to follow the aforementioned safety rules for operation and maintenance of the device. In this way you will ensure yourself safety and avoid causing damage to the device. The manufacturer and the supplier are not liable for losses or damages arising out of the product, including financial or intangible losses, loss of profits, income, data, pleasure from use of the product or other products related with it - indirect, incidental or consequential loss or damage. The above provisions apply whether the loss or damage concerns: 1. Deterioration of quality or the lack of operation of the products or products related with it due to damage as well as the lack of access to the product when it is undergoing repair, which results in stoppage the loss of user's time or a break in business activity; 2. Improper results of operation of the product or products related with it; 3. It applies to losses and damages according to any legal category, including negligence and other losses, termination of a contract, expressed or implied guarantee and strict liability (even if the manufacturer or the supplier was notified about the possibility of occurrence of such damages).
Safety measures:
Particular attention at designing was directed to quality standards of the device where ensuring safety of operation is the most important factor. The device must be secured against contact with caustic, staining and viscous fluids.
Product Description
The DIGIVOX-2 is a passive, no power supply system that interfaces the computer with the radio. The device is designed for digital modes that use the sound card as a modem. The device is shown as a black rectangular unit with connection terminals and ports.
Tested Applications:
- Winlink Express
- FLDIGI
- JS8Call
- WSJT-X
- Ham Radio Deluxe
- KG-STV
Compatible Radios:
The interface is dedicated to radios with derived PTT, e.g. XIEGU G90, YAESU FT-450, etc.
Specifications
| Specification | Details |
|---|---|
| Device type | Passive |
| Connectors type | PC AUDIO: 2x Jack 3.5 mm socket, TO RADIO: 4x detachable cable terminals |
| PTT output | "Open Collector" (OC) type max. 30 V / 300 mA |
| PTT activation time | 20 ms |
| PTT off time | 5 ms |
| Minimum value of the audio signal from the sound card | 600 mV RMS |
| Galvanic isolation | 600 V |
Main features:
- Allows connection of any VHF/UHF or KF radio to a computer.
- Works very well with handheld radios such as Baofeng.
- Provides full and complete galvanic isolation between radio and computer (600V).
- Does not require an external power supply.
- No need for a serial, parallel, or USB port; connection to the computer is done only through the audio input/output paths of the sound card.
- Works with most computer applications intended for digital broadcasting, e.g., Packet, PSK31, RTTY, SSTV, FAX.
- Works very well with the Winlink Express application (electronic mail using radio waves), which allows sending messages in the absence of Internet via a gateway (e.g., Poznań SR3WLK) or directly (peer-to-peer).
| Specification | Details |
|---|---|
| Operation temp | -20 °C ... 55 °C |
| Weight | 0.94 kg |
| Dimensions | 118 x 30 x 59 mm |
| Manufacturer / Brand | DELTA |
| Guarantee | 2 years |
Diagrams and Connections
Device Overview
The DIGIVOX-2 is a passive, no power supply system that interfaces the computer with the radio. The device is designed for digital modes that use the sound card as a modem. The device is shown as a black rectangular unit with connection terminals and ports.
Connection Diagram
A connection diagram illustrates the setup: a USB cable from a computer connects to the DIGIVOX-2 unit. The DIGIVOX-2 unit then connects to a radio via audio (PC AUDIO, MIC, SP) and PTT control lines.
Schematic Diagram
The schematic diagram shows the internal circuitry and port assignments of the DIGIVOX-2, detailing connections for PC AUDIO (input/output), PTT control, TX (transmit audio), RX (receive audio), MIC (microphone input), and SP (speaker output) to the radio.
Example Connection
An example connection shows a handheld radio connected to the DIGIVOX-2 using 2.5mm and 3.5mm audio jacks. The DIGIVOX-2 is also connected to a computer via a USB cable, demonstrating a typical setup for digital radio communication.
Package Contents
The package includes the DIGIVOX-2 interface. The dimensions (L x W x H) are listed as 0x0x0 mm and the Gross Weight as 0 kg in the provided documentation.
