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| -rw-r--r-- | host/docs/dboards.rst | 39 |
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diff --git a/host/docs/dboards.rst b/host/docs/dboards.rst index 373189441..d9f8069ad 100644 --- a/host/docs/dboards.rst +++ b/host/docs/dboards.rst @@ -204,6 +204,45 @@ Sensors: * **lo_locked**: boolean for LO lock state ^^^^^^^^^^^^^^^^^^^^^^^^^^^ +SBX Series +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +The SBX Series boards have 2 quadrature subdevices, one transmit, one receive. +Transmit and Receive default to direct conversion but +can be used in low IF mode through lo_offset in uhd::tune_request_t + +The SBX Series boards have independent receive and transmit LO's and synthesizers +allowing full-duplex operation on different transmit and receive frequencies. + +Transmit Antennas: **TX/RX** + +Receive Antennas: **TX/RX** or **RX2** + +The user may set the receive antenna to be TX/RX or RX2. +However, when using an SBX board in full-duplex mode, +the receive antenna will always be set to RX2, regardless of the settings. + +Transmit Gains: **PGA0**, Range: 0-31.5dB + +Receive Gains: **PGA0**, Range: 0-31.5dB + +Bandwidths (Hz): + +* **RX**: 40M +* **TX**: 40M + +Sensors: + +* **lo_locked**: boolean for LO lock state + +LEDs: + +* All LEDs flash when dboard control is initialized +* **TX LD**: Transmit Synthesizer Lock Detect +* **TX/RX**: Receiver on TX/RX antenna port (No TX) +* **RX LD**: Receive Synthesizer Lock Detect +* **RX1/RX2**: Receiver on RX2 antenna port + +^^^^^^^^^^^^^^^^^^^^^^^^^^^ TVRX ^^^^^^^^^^^^^^^^^^^^^^^^^^^ The TVRX board has 1 real-mode subdevice. |