From 05d0a14a2eaf6054d304c153dc9035eaca8039b2 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Thu, 22 Apr 2010 12:55:54 -0700 Subject: pulled in some dboard docs and fixes --- host/docs/dboards.rst | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 host/docs/dboards.rst (limited to 'host/docs/dboards.rst') diff --git a/host/docs/dboards.rst b/host/docs/dboards.rst new file mode 100644 index 000000000..d08b752a6 --- /dev/null +++ b/host/docs/dboards.rst @@ -0,0 +1,64 @@ +======================================================================== +UHD - Daughterboard Application Notes +======================================================================== + +.. contents:: Table of Contents + +------------------------------------------------------------------------ +Daughterboard Properties +------------------------------------------------------------------------ + +The following contains interesting notes about each daughterboard. +Eventually, this page will be expanded to list out the full +properties of each board as well. + +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Basic RX and and LFRX +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +The Basic RX and LFRX boards have 3 subdevices: + +* **Subdevice A:** real signal on antenna RXA +* **Subdevice B:** real signal on antenna RXB +* **Subdevice AB:** quadrature subdevice using both antennas + +The boards have no tunable elements or programmable gains. +Though the magic of aliasing, you can down-convert signals +greater than the nyquist rate of the ADC. + +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Basic TX and and LFTX +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +The Basic TX and LFTX boards have 1 quadrature subdevice using both antennas. + +The boards have no tunable elements or programmable gains. +Though the magic of aliasing, you can up-convert signals +greater than the nyquist rate of the DAC. + +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +RFX Series +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +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 RFX board in full-duplex mode, +the receive antenna will always be set to RX2, regardless of the settings. + +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +XCVR 2450 +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +The XCVR2450 has a non-contiguous tuning range consiting of a high band and a low band. +The high band consists of frequencies between...TODO + +Transmit Antennas: **J1** or **J2** + +Receive Antennas: **J1** or **J2** + +When using the XCVR2450 in full-duplex mode, +the user must set the receive antenna and the transmit antenna to be different; +not doing so will yeild undefined results. + +The XCVR2450 uses a common LO for both receive and transmit. +Even though the API allows the RX and TX LOs to be individually set, +a change of one LO setting will be reflected in the other LO setting. -- cgit v1.2.3