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Diffstat (limited to 'host/docs/dboards.rst')
| -rw-r--r-- | host/docs/dboards.rst | 165 |
1 files changed, 102 insertions, 63 deletions
diff --git a/host/docs/dboards.rst b/host/docs/dboards.rst index 4b5a074a8..d6cbc6151 100644 --- a/host/docs/dboards.rst +++ b/host/docs/dboards.rst @@ -26,15 +26,15 @@ 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 (Hz): +BasicRX Bandwidth: -* **For Real-Mode (A or B frontend)**: 250M -* **For Complex (AB or BA frontend)**: 500M +* **For Real-Mode (A or B frontend)**: 250 MHz +* **For Complex (AB or BA frontend)**: 500 MHz -LFRX Bandwidth (Hz): +LFRX Bandwidth: -* **For Real-Mode (A or B frontend)**: 33M -* **For Complex (AB or BA frontend)**: 66M +* **For Real-Mode (A or B frontend)**: 33 MHz +* **For Complex (AB or BA frontend)**: 66 MHz ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Basic TX and LFTX @@ -50,15 +50,15 @@ 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): 250M +BasicTX Bandwidth (Hz): -* **For Real-Mode (A or B frontend**): 250M -* **For Complex (AB or BA frontend)**: 500M +* **For Real-Mode (A or B frontend**): 250 MHz +* **For Complex (AB or BA frontend)**: 500 MHz -LFTX Bandwidth (Hz): 33M +LFTX Bandwidth (Hz): -* **For Real-Mode (A or B frontend)**: 33M -* **For Complex (AB or BA frontend)**: 66M +* **For Real-Mode (A or B frontend)**: 33 MHz +* **For Complex (AB or BA frontend)**: 66 MHz ^^^^^^^^^^^^^^^^^^^^^^^^^^^ DBSRX @@ -77,7 +77,7 @@ Receive Gains: * **GC1**, Range: 0-56dB * **GC2**, Range: 0-24dB -Bandwidth (Hz): 8M-66M +Bandwidth: 8 MHz - 66 MHz Sensors: @@ -100,7 +100,7 @@ Receive Gains: * **GC1**, Range: 0-73dB * **BBG**, Range: 0-15dB -Bandwidth (Hz): 8M-80M +Bandwidth (Hz): 8 MHz -80 MHz Sensors: @@ -128,10 +128,10 @@ 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) -Bandwidths (Hz): +Bandwidth: -* **RX**: 40M -* **TX**: 40M +* **RX**: 40 MHz +* **TX**: 40 MHz Sensors: @@ -142,10 +142,10 @@ 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 +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 (4.9-6.0GHz) and a low band (2.4-2.5GHz). +high band (4.9-6.0 GHz) and a low band (2.4-2.5 GHz). Transmit Antennas: **J1** or **J2** @@ -170,10 +170,10 @@ Receive Gains: * **LNA**, Range: 0-30.5dB * **VGA**, Range: 0-62dB -Bandwidths (Hz): +Bandwidths: -* **RX**: 15M, 19M, 28M, 36M; (each +-0, 5, or 10%) -* **TX**: 24M, 36M, 48M +* **RX**: 15 MHz, 19 MHz, 28 MHz, 36 MHz; (each +-0, 5, or 10%) +* **TX**: 24 MHz, 36 MHz, 48 MHz Sensors: @@ -183,12 +183,18 @@ Sensors: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ WBX Series ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The WBX Series boards have 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 WBX Series boards have independent receive and transmit LO's and synthesizers -allowing full-duplex operation on different transmit and receive frequencies. +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** @@ -196,18 +202,16 @@ 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 WBX board in full-duplex mode, -the receive antenna will always be set to RX2, regardless of the settings. +* **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 (Hz): +Bandwidths: -* **RX**: 40M -* **TX**: 40M +* **WBX**: 40 MHz, RX & TX +* **WBX-120**: 120 MHz, RX & TX Sensors: @@ -216,12 +220,18 @@ Sensors: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ SBX Series ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The SBX Series boards have 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 SBX Series boards have independent receive and transmit LO's and synthesizers -allowing full-duplex operation on different transmit and receive frequencies. +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** @@ -229,18 +239,16 @@ 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 SBX board in full-duplex mode, -the receive antenna will always be set to RX2, regardless of the settings. +* **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 (Hz): +Bandwidths: -* **RX**: 40M -* **TX**: 40M +* **SBX**: 40 MHz, RX & TX +* **SBX-120**: 120 MHz, RX & TX Sensors: @@ -248,16 +256,56 @@ Sensors: LEDs: -* All LEDs flash when dboard control is initialized +* 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 +CBX Series ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -See SBX Series for more details. + +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 @@ -274,7 +322,7 @@ Receive Gains: * **RF**, Range: -13.3-50.3dB (frequency-dependent) * **IF**, Range: -1.5-32.5dB -Bandwidth: 6MHz +Bandwidth: 6 MHz ^^^^^^^^^^^^^^^^^^^^^^^^^^^ TVRX2 @@ -294,7 +342,7 @@ Receive Gains: * **IF**, Range: 0.0-30.0dB -Bandwidth: 1.7MHz, 6MHz, 7MHz, 8MHz, 10MHz +Bandwidth: 1.7 MHz, 6 MHz, 7 MHz, 8 MHz, 10 MHz Sensors: @@ -302,15 +350,6 @@ Sensors: * **rssi**: float for measured RSSI in dBm * **temperature**: float for measured temperature in degC ------------------------------------------------------------------------- -Daughterboard Modifications ------------------------------------------------------------------------- - -Sometimes, daughterboards will require modification -to work on certain frequencies or to work with certain hardware. -Modification usually involves moving/removing an SMT component -and burning a new daughterboard ID into the EEPROM. - ^^^^^^^^^^^^^^^^^^^^^^^^^^^ DBSRX - Mod ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -324,20 +363,20 @@ 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. +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. +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>/share/uhd/utils + 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) @@ -357,14 +396,14 @@ 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. +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>/share/uhd/utils + 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> |