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diff --git a/host/docs/dboards.rst b/host/docs/dboards.rst deleted file mode 100644 index d6cbc6151..000000000 --- a/host/docs/dboards.rst +++ /dev/null @@ -1,425 +0,0 @@ -======================================================================== -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 LFRX -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The Basic RX and LFRX boards have 4 frontends: - -* **Frontend A:** real signal on antenna RXA -* **Frontend B:** real signal on antenna RXB -* **Frontend AB:** quadrature frontend using both antennas (IQ) -* **Frontend BA:** quadrature frontend using both antennas (QI) - -The boards have no tunable elements or programmable gains. -Through the magic of aliasing, you can down-convert signals -greater than the Nyquist rate of the ADC. - -BasicRX Bandwidth: - -* **For Real-Mode (A or B frontend)**: 250 MHz -* **For Complex (AB or BA frontend)**: 500 MHz - -LFRX Bandwidth: - -* **For Real-Mode (A or B frontend)**: 33 MHz -* **For Complex (AB or BA frontend)**: 66 MHz - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -Basic TX and LFTX -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The Basic TX and LFTX boards have 4 frontends: - -* **Frontend A:** real signal on antenna TXA -* **Frontend B:** real signal on antenna TXB -* **Frontend AB:** quadrature frontend using both antennas (IQ) -* **Frontend BA:** quadrature frontend using both antennas (QI) - -The boards have no tunable elements or programmable gains. -Through the magic of aliasing, you can up-convert signals -greater than the Nyquist rate of the DAC. - -BasicTX Bandwidth (Hz): - -* **For Real-Mode (A or B frontend**): 250 MHz -* **For Complex (AB or BA frontend)**: 500 MHz - -LFTX Bandwidth (Hz): - -* **For Real-Mode (A or B frontend)**: 33 MHz -* **For Complex (AB or BA frontend)**: 66 MHz - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -DBSRX -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The DBSRX board has 1 quadrature frontend. -It defaults to direct conversion but can use a low IF through lo_offset in **uhd::tune_request_t**. - -Receive Antennas: **J3** - -* **Frontend 0:** Complex baseband signal from antenna J3 - -The board has no user selectable antenna setting. - -Receive Gains: - -* **GC1**, Range: 0-56dB -* **GC2**, Range: 0-24dB - -Bandwidth: 8 MHz - 66 MHz - -Sensors: - -* **lo_locked**: boolean for LO lock state - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -DBSRX2 -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The DBSRX2 board has 1 quadrature frontend. -It defaults to direct conversion, but can use a low IF through lo_offset in **uhd::tune_request_t**. - -Receive Antennas: **J3** - -* **Frontend 0:** Complex baseband signal from antenna J3 - -The board has no user-selectable antenna setting. - -Receive Gains: - -* **GC1**, Range: 0-73dB -* **BBG**, Range: 0-15dB - -Bandwidth (Hz): 8 MHz -80 MHz - -Sensors: - -* **lo_locked**: boolean for LO lock state - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -RFX Series -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The RFX Series boards have 2 quadrature frontends: Transmit and Receive. -Transmit defaults to low IF, and Receive defaults to direct conversion. -The IF can be adjusted through lo_offset in **uhd::tune_request_t**. - -The RFX 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** - -* **Frontend 0:** Complex baseband signal for selected antenna - -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. - -Receive Gains: **PGA0**, Range: 0-70dB (except RFX400 range is 0-45dB) - -Bandwidth: - -* **RX**: 40 MHz -* **TX**: 40 MHz - -Sensors: - -* **lo_locked**: boolean for LO lock state - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -XCVR 2450 -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The XCVR2450 has 2 quadrature frontends, 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 XCVR2450 has a non-contiguous tuning range consisting of a -high band (4.9-6.0 GHz) and a low band (2.4-2.5 GHz). - -Transmit Antennas: **J1** or **J2** - -Receive Antennas: **J1** or **J2** - -* **Frontend 0:** Complex baseband signal for selected antenna - -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. - -The XCVR2450 does not support full-duplex mode, attempting to operate -in full-duplex will result in transmit-only operation. - -Transmit Gains: - -* **VGA**, Range: 0-30dB -* **BB**, Range: 0-5dB - -Receive Gains: - -* **LNA**, Range: 0-30.5dB -* **VGA**, Range: 0-62dB - -Bandwidths: - -* **RX**: 15 MHz, 19 MHz, 28 MHz, 36 MHz; (each +-0, 5, or 10%) -* **TX**: 24 MHz, 36 MHz, 48 MHz - -Sensors: - -* **lo_locked**: boolean for LO lock state -* **rssi**: float for rssi in dBm - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -WBX Series -^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -Features: - -* 2 quadrature frontends (1 transmit, 1 receive) - - * Defaults to direct conversion - * Can be used in low IF mode through lo_offset with **uhd::tune_request_t** - -* Independent recieve and transmit LO's and synthesizers - - * Allows for full-duplex operation on different transmit and receive frequencies - * Can be set to use Integer-N tuning for better spur performance with **uhd::tune_request_t** - -Transmit Antennas: **TX/RX** - -Receive Antennas: **TX/RX** or **RX2** - -* **Frontend 0:** Complex baseband signal for selected antenna - -* **Note:** The user may set the receive antenna to be TX/RX or RX2. However, when using a WBX board in full-duplex mode, the receive antenna will always be set to RX2, regardless of the settings. - -Transmit Gains: **PGA0**, Range: 0-25dB - -Receive Gains: **PGA0**, Range: 0-31.5dB - -Bandwidths: - -* **WBX**: 40 MHz, RX & TX -* **WBX-120**: 120 MHz, RX & TX - -Sensors: - -* **lo_locked**: boolean for LO lock state - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -SBX Series -^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -Features: - -* 2 quadrature frontends (1 transmit, 1 receive) - - * Defaults to direct conversion - * Can be used in low IF mode through lo_offset with **uhd::tune_request_t** - -* Independent recieve and transmit LO's and synthesizers - - * Allows for full-duplex operation on different transmit and receive frequencies - * Can be set to use Integer-N tuning for better spur performance with **uhd::tune_request_t** - -Transmit Antennas: **TX/RX** - -Receive Antennas: **TX/RX** or **RX2** - -* **Frontend 0:** Complex baseband signal for selected antenna - -* **Note:** 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: - -* **SBX**: 40 MHz, RX & TX -* **SBX-120**: 120 MHz, RX & TX - -Sensors: - -* **lo_locked**: boolean for LO lock state - -LEDs: - -* All LEDs flash when daughterboard 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 - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -CBX Series -^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -Features: - -* 2 quadrature frontends (1 transmit, 1 receive) - - * Defaults to direct conversion - * Can be used in low IF mode through lo_offset with **uhd::tune_request_t** - -* Independent recieve and transmit LO's and synthesizers - - * Allows for full-duplex operation on different transmit and receive frequencies - * Can be set to use Integer-N tuning for better spur performance with **uhd::tune_request_t** - -Transmit Antennas: **TX/RX** - -Receive Antennas: **TX/RX** or **RX2** - -* **Frontend 0:** Complex baseband signal for selected antenna - -* **Note:** The user may set the receive antenna to be TX/RX or RX2. However, when using a CBX 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: - -* **CBX**: 40 MHz, RX & TX -* **CBX-120**: 120 MHz, RX & TX - -Sensors: - -* **lo_locked**: boolean for LO lock state - -LEDs: - -* All LEDs flash when daughterboard 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 frontend. -It is operated at a low IF. - -Receive Antennas: RX - -* **Frontend 0:** real-mode baseband signal from antenna RX - -Receive Gains: - -* **RF**, Range: -13.3-50.3dB (frequency-dependent) -* **IF**, Range: -1.5-32.5dB - -Bandwidth: 6 MHz - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -TVRX2 -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The TVRX2 board has 2 real-mode frontends. -It is operated at a low IF. - -Receive Frontends: - -* **Frontend RX1:** real-mode baseband from antenna J100 -* **Frontend RX2:** real-mode baseband from antenna J140 - -Note: The TVRX2 has always-on AGC; the software controllable gain is the -final gain stage which controls the AGC set-point for output to ADC. - -Receive Gains: - -* **IF**, Range: 0.0-30.0dB - -Bandwidth: 1.7 MHz, 6 MHz, 7 MHz, 8 MHz, 10 MHz - -Sensors: - -* **lo_locked**: boolean for LO lock state -* **rssi**: float for measured RSSI in dBm -* **temperature**: float for measured temperature in degC - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -DBSRX - Mod -^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -Due to different clocking capabilities, -the DBSRX will require modifications to operate on a non-USRP1 motherboard. -On a USRP1 motherboard, a divided clock is provided from an FPGA pin -because the standard daughterboard clock lines cannot provided a divided clock. -However, on other USRP motherboards, the divided clock is provided -over the standard daughterboard clock lines. - -**Step 1: Move the clock configuration resistor** - -Remove **R193** (which is 10 Ohms, 0603 size), and put it on **R194**, which is empty. -This is made somewhat more complicated by the fact that the silkscreen is not clear in that area. -**R193** is on the back, immediately below the large beige connector, **J2**. -**R194** is just below, and to the left of **R193**. -The silkscreen for **R193** is ok, but for **R194**, -it is upside down, and partially cut off. -If you lose **R193**, you can use anything from 0 to 10 Ohms there. - -**Step 2: Burn a new daughterboard id into the EEPROM** - -With the daughterboard plugged-in, run the following commands: -:: - - cd <install-path>/lib/uhd/utils - ./usrp_burn_db_eeprom --id=0x000d --unit=RX --args=<args> --slot=<slot> - -* **<args>** are device address arguments (optional if only one USRP device is on your machine) -* **<slot>** is the name of the daughterboard slot (optional if the USRP device has only one slot) - -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -RFX - Mod -^^^^^^^^^^^^^^^^^^^^^^^^^^^ -Older RFX boards require modifications to use the motherboard oscillator. -If this is the case, UHD software will print a warning about the modification. -Please follow the modification procedures below: - -**Step 1: Disable the daughterboard clocks** - -Move **R64** to **R84**. Move **R142** to **R153**. - -**Step 2: Connect the motherboard blocks** - -Move **R35** to **R36**. Move **R117** to **R115**. -These are all 0-Ohm, so if you lose one, just short across the appropriate pads. - -**Step 3: Burn the appropriate daughterboard ID into the EEPROM** - -With the daughterboard plugged-in, run the following commands: -:: - - cd <install-path>/lib/uhd/utils - ./usrp_burn_db_eeprom --id=<rx_id> --unit=RX --args=<args> --slot=<slot> - ./usrp_burn_db_eeprom --id=<tx_id> --unit=TX --args=<args> --slot=<slot> - -* **<rx_id>** choose the appropriate RX ID for your daughterboard - - * **RFX400:** 0x0024 - * **RFX900:** 0x0025 - * **RFX1800:** 0x0034 - * **RFX1200:** 0x0026 - * **RFX2400:** 0x0027 -* **<tx_id>** choose the appropriate TX ID for your daughterboard - - * **RFX400:** 0x0028 - * **RFX900:** 0x0029 - * **RFX1800:** 0x0035 - * **RFX1200:** 0x002a - * **RFX2400:** 0x002b -* **<args>** are device address arguments (optional if only one USRP device is on your machine) -* **<slot>** is the name of the daughterboard slot (optional if the USRP device has only one slot) |