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| -rw-r--r-- | host/docs/zbx.dox | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/host/docs/zbx.dox b/host/docs/zbx.dox index 24a7f8fd4..3d6a3e527 100644 --- a/host/docs/zbx.dox +++ b/host/docs/zbx.dox @@ -8,7 +8,7 @@ The ZBX daughterboard is a two-channel superheterodyne transceiver with a focus of telecommunication applications in the frequency range below 8 GHz. It supports analog bandwidths of up to 400 MHz. -The ZBX daughterboard is designed for use with the Ettus USPR X410. +The ZBX daughterboard is the daughterboard for the Ettus USRP X410. Feature list: - Frequency range (Tx and Rx): 1 MHz - 7.2 GHz (Note: Tune range extends to 8 GHz) @@ -16,10 +16,18 @@ Feature list: - Gain range: 0-60 dB. - Note: Rx gain range is reduced to 0-38 dB for frequencies below 500 MHz. - On-board CPLD for high flexibility -- Maximum output power: 5-20 dBm (depending on frequency) -- Maximum input power limit: +15 dBm +- Maximum output power: up to 23 dBm (depending on frequency, see + <em>TX Maximum Output Power</em> in + <a href="http://www.ni.com/pdf/manuals/378493a">specifications</a>) +- Maximum input power: 0 dBm (operational, see + <a href="http://www.ni.com/pdf/manuals/378493a">specifications</a> for damage + levels) -\section zbx_too Theory of Operations +See the RF section in the <a href="http://www.ni.com/pdf/manuals/378493a">Ettus +USRP X410 Specifications</a> for a comprehensive ZBX daughterboard +specifications list. + +\section zbx_too Theory of Operation The ZBX daughterboard has two transceiver chains. The following simplified block diagram shows their structure: @@ -103,6 +111,17 @@ API calls to enumerate the valid antenna names. When using RFNoC API, use the uhd::rfnoc::radio_control::get_rx_antennas() and uhd::rfnoc::radio_control::get_tx_antennas() calls, respectively. +\subsection zbx_leds Status LEDs + +The ZBX daughterboard is equipped with two LEDs per channel, one for "TX/RX0" +and one for "RX1". These LEDs behave as follows: + +| LED State | TX/RX0 | RX1 | +|-----------|----------------------|-------------------| +| Off | Port is inactive | Port is inactive | +| Green | Port is receiving | Port is receiving | +| Red | Port is transmitting | N/A | + \section zbx_phase_alignment Phase Alignment Like the UBX and SBX daughterboards, the ZBX allows to be phase-aligned. This is |