XB-200 LF/MF/HF/VHF Transverter 60kHz–300MHz for bladeRF x40 x115 SDR Expansion Board

The XB-200 LF/MF/HF/VHF Transverter dramatically expands the frequency coverage of bladeRF 1.0 x40 and x115 SDRs down to 60kHz–300MHz, enabling low-frequency applications like LF/MF/HF amateur radio, VLF research, and shortwave monitoring. This block up/down-converter adds seamless HF/VHF capability while preserving the bladeRF's native 300MHz–3.8GHz range through intelligent RF bypass switching.

Featuring low-insertion-loss RF switches, the XB-200 allows instant toggling between transverted low frequencies and the bladeRF's direct range—no need to unplug or reconfigure. High-Q, low-ESR passive components ensure excellent filter performance across three dedicated bands: 50–54MHz (6m), 149–159MHz, and 206–235MHz. Additional SMA filter ports allow custom band filtering for specialized applications.

Key Features

• Frequency extension: 60kHz – 300MHz LF/MF/HF/VHF coverage
• Pre-filtered bands: 50–54MHz (6m), 149–159MHz, 206–235MHz
• RF bypass switch: low-loss pass-through for native bladeRF frequencies
• LO synthesizer: ADF4351 with low phase noise, references bladeRF VCTCXO
• RF path: high-Q, low-ESR passives (≤2% tolerance) for superior filtering
• Custom filtering: external SMA ports for user-defined band filters
• GPIO control: 16 configurable pins (C API and HDL) for amps, filters, antennas

Compatibility & Integration

• Supported SDRs: bladeRF 1.0 x40 and x115 only
• Seamless operation: RX at 1MHz while TX at 3GHz simultaneously
• Shielded design: LO synthesizer and RF paths fully enclosed

Control & Operation

• RF bypass: software-controlled switching between transvert and direct modes
• GPIO pins: programmable via bladeRF C API and FPGA HDL for external control
• Reference clock: uses bladeRF's factory-calibrated 38.4MHz VCTCXO

Kit Contents

• 1 × XB-200 LF/MF/HF/VHF Transverter (60kHz–300MHz)

The XB-200 transforms your bladeRF into a complete LF-to-microwave SDR platform, perfect for amateur radio DXing, VLF signal hunting, shortwave listening, 6-meter operations, and low-frequency research—all with professional-grade filtering and seamless frequency range switching.