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Diffstat (limited to 'host/docs/dboards.rst')
| -rw-r--r-- | host/docs/dboards.rst | 48 |
1 files changed, 35 insertions, 13 deletions
diff --git a/host/docs/dboards.rst b/host/docs/dboards.rst index 985fbc12b..080117651 100644 --- a/host/docs/dboards.rst +++ b/host/docs/dboards.rst @@ -15,11 +15,12 @@ properties of each board as well. ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Basic RX and and LFRX ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The Basic RX and LFRX boards have 3 subdevices: +The Basic RX and LFRX boards have 4 subdevices: * **Subdevice A:** real signal on antenna RXA * **Subdevice B:** real signal on antenna RXB -* **Subdevice AB:** quadrature subdevice using both antennas +* **Subdevice AB:** quadrature subdevice using both antennas (IQ) +* **Subdevice BA:** quadrature subdevice using both antennas (QI) The boards have no tunable elements or programmable gains. Though the magic of aliasing, you can down-convert signals @@ -28,11 +29,12 @@ greater than the Nyquist rate of the ADC. ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Basic TX and and LFTX ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The Basic TX and LFTX boards have 3 subdevices: +The Basic TX and LFTX boards have 4 subdevices: * **Subdevice A:** real signal on antenna TXA * **Subdevice B:** real signal on antenna TXB -* **Subdevice AB:** quadrature subdevice using both antennas +* **Subdevice AB:** quadrature subdevice using both antennas (IQ) +* **Subdevice BA:** quadrature subdevice using both antennas (QI) The boards have no tunable elements or programmable gains. Though the magic of aliasing, you can up-convert signals @@ -47,10 +49,12 @@ Receive Antennas: **J3** The board has no user selectable antenna setting -Recieve Gains: +Receive Gains: **GC1**, Range: 0-56dB **GC2**, Range: 0-24dB +Low-Pass Filter Bandwidth (Hz): 4M-33M + ^^^^^^^^^^^^^^^^^^^^^^^^^^^ RFX Series ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -62,26 +66,25 @@ 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. -Recieve Gains: **PGA0**, Range: 0-70dB (except RFX400 range is 0-45dB) +Receive Gains: **PGA0**, Range: 0-70dB (except RFX400 range is 0-45dB) ^^^^^^^^^^^^^^^^^^^^^^^^^^^ XCVR 2450 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -The XCVR2450 has a non-contiguous tuning range consisting of a high band and a low band. -The high band consists of frequencies between...TODO +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). 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. +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 @@ -90,6 +93,10 @@ Receive Gains: * **LNA**, Range: 0-30.5dB * **VGA**, Range: 0-62dB +Low-Pass Filter Bandwidths (Hz): + * **RX**: 7.5M, 9.5M, 14M, 18M; (each +-0, 5, or 10%) + * **TX**: 12M, 18M, 24M + ^^^^^^^^^^^^^^^^^^^^^^^^^^^ WBX Series ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -103,7 +110,22 @@ the receive antenna will always be set to RX2, regardless of the settings. Transmit Gains: **PGA0**, Range: 0-25dB -Recieve Gains: **PGA0**, Range: 0-31.5dB +Receive Gains: **PGA0**, Range: 0-31.5dB + +Low-Pass Filter Bandwidths (Hz): + * **RX**: 20M (Fixed) + * **TX**: 20M (Fixed) + +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +TVRX +^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Receive Antennas: RX + +Receive Gains: + * **RF**, Range: -13.3-50.3dB (frequency-dependent) + * **IF**, Range: -1.5-32.5dB + +Bandpass Filter Bandwidth: 6MHz ------------------------------------------------------------------------ Daughterboard Modifications |