Technical specifications

David Fainitski
 

Technical specifications and key features of ODYSSEY TRX:

General characteristics:

-         board size is 123.5 x 75mm, appropriate for Hammond 1455J1201 housing.

-         supply voltage: 7-15 V, reverse polarity and overvoltage protection.

-         current consumption for 12 Volt power supply:

            LAN & USB version, RX 250 mA, TX 340 mA

            Wi-Fi version, RX 380 mA, TX 480 mA

-         current consumption for USB bus power supply (5 volts):

           USB version, RX 590 mA, TX 720 mA

-         PC connections: LAN10 / 100, Wi-Fi or USB

-         connectors for headphones, microphone, KEY/PTT:  Mini Jack 3.5mm

-         RF connectors: SMA-F

-         connector for external devices control:  DB9-F

RX characteristics:

-         type of ADC:  16-bit LTC2165

-         sampling frequency:  122,880 MHz

-         two independed receiving channels

-         receiving frequency range: 0.1-55 MHz

-         sensitivity, MDS (500):  -127 dBm

-         blocking level: -8 dBm

-         Blocking Dynamic Range: 119dB

-         RM Dynamic Range (10 kHz): 114 dB

-         attenuator 0-30 dB

-         frequency stability using built-in reference generator:  2.5 ppm

-         supported sampling rates: 48 - 960 kHz

-         wide band scope: 0 – 66 MHz

TX characteristics:

-         frequency range: 1 - 55 MHz

-         output voltage on 50 ohms:  1 volt peak

-         output power: 10 mW

-         linearity, IMD3: 60 – 65 dB

-         maximum width of the transmitted signal: 48 kHz

Additional features:

-         input for high stability 10 MHz reference frequency, 3.3 – 5.0 volts logic level

-         122.880 MHz stability frequency output

-         8 controls lines of control for external devices : 4 lines for BPF/LPF, PreAMP control, Antenna switch control, Automatic Tuner control and PTT control – all using logic level 3.3 volts

-         built-in sound codec to minimize delays; headphones and microphone can be connected directly to the main board

-         Automatic Key Processor with zero-delay self-monitoring. Both straight and Iambic modes are supported

-         VNA mode  and frequency sweep measurement; complex impedance and SWR measurements are done with external RF bridge


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