USOTA-ATU USDX SDR Transceiver All Mode 8 Band HF Ham Radio QRP CW Tra

Detailed Information About The Product:

uSDX_ATU:1. uSDX: HF QRP SDR Transceiver: uSDX is optimized and modified based on Guido PE1NNZ's open source project uSDX/QCX-SSB. uSDX is a shortwave QRP SSB/CW transceiver. With 1602 LCD screen and ultra-small size it is easy to carry.
2. ATU: Automatic Antenna Tuner Unit:Automatic Antenna Tuner Unit is a miniaturized clone of David Fainitski N7DDC's infamous 7X7 ATU100 automatic antenna tuner unit adapted for QRP operation up to 10 watts.
uSDX_ATU Performance Characteristics:1. uSDX:8 bands: 3.5MHz; 5.3MHz; 7MHz; 10MHz; 14MHz; 18MHz; 21MHz; 29MHz. Emission efficiency: higher than 85% 3.5MHz; 5.3MHz; 7MHz; 10MHz; 14MHz; higher than 80% 18MHz and 21MHz; higher than 70% for 29MHz. Connect to PC use FT8 JS8 FT4 and other digital mode software control support CW automatic decoding
It can reach 3-5W power in 8 bands and can freely upgrade the PA module TO-220
High-precision TCXO for KDS frequency accuracy better than 1PPM frequency stability better than 0.5PPM. Independent core board RF PA board and ATU board to avoid own signal interference. Ultra-small size: 100 x 90 x 57mm/3.9 x 3.5 x 2.2inchwithout protrusions

All LPF parts use 100V C0G/NP0 capacitors
Use LM4562 or LM833 or LT6231 op amp chip
Rich interfaces: HEADPHONE PTT OUT MIC/PTT SPK/MIC
BNC antenna interface with BCN-SL16 adapter easy to match antenna
External power supply: 12.6VDC 13.8VDC power adapter
2. ATU:
Maximum tuning inductance: 8.42µH
Minimum tuning inductance: 0.05μH
Maximum tuning capacitance: 1869pF
Minimum tuning capacitance: 10pF
uSDX_ATU System Functions:
Full mode support: USB LSB CW AM FM
All-digital and software-based SDR receive channels
All-digital and software-based SSB transmit channels
Receive attenuator: 0dB -13dB -20dB -33dB -53dB -60dB and -73dB
DSP filter bandwidths: 4000 2500 1700 500 200 100 and 50 Hz
Receiving background noise: -135dBm at 28MHz BW=200Hz
Receiver Front-End selectivity: Tuning frequency -45dB/decade roll-off +/- 2kHz
SSB/carrier suppression: transmit better than 45dBc; receive better than 50dBc
DSP functions: Automatic Gain Control AGC Noise Reduction NR Voice Triggered Xmit VOX RX Attenuator ATT TX Noise Gate TX Drive Control Volume Control dBm/S meter
Three-Layer PCB:
ATU-board
PA-board: 8 band
Mainboard
Colour:black
Material:Metal + Plastic

Package Contents:
1 x Main Unit uSDX_ATU
1 x Handheld Microphone

Only the above package content other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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