From feb2220d81c401bf0b3bda5c4ba089427b0d3865 Mon Sep 17 00:00:00 2001 From: Steven Koo Date: Tue, 15 Feb 2022 11:31:01 -0600 Subject: docs: Update n3xx tuning notes n32x is specced to 3 Mhz. Added a note about performance below specced frequency minimums Signed-off-by: Steven Koo --- host/docs/usrp_n3xx.dox | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'host/docs/usrp_n3xx.dox') diff --git a/host/docs/usrp_n3xx.dox b/host/docs/usrp_n3xx.dox index 2d2b84858..e96a37494 100644 --- a/host/docs/usrp_n3xx.dox +++ b/host/docs/usrp_n3xx.dox @@ -33,8 +33,10 @@ variants of the N3XX series: \image html N310isoExplode.png N310 Exploded View - Supported master clock rates: 122.88 MHz, 125 MHz, 153.6 MHz -- Tuning range: 10 MHz to 6 GHz (below 300 MHz, additional LOs and mixer stages - are used to shift the signal into the frequency range of the AD9371) +- Tuning range: 10 MHz to 6 GHz + - Below 300 MHz, additional LOs and mixer stages + are used to shift the signal into the frequency range of the AD9371 + - Tunable down to 1 MHz in UHD however performance is not guaranteed - Support for external LOs - 4 RX DDC chains in FPGA (2 for N300) - 4 TX DUC chain in FPGA (2 for N300) @@ -53,8 +55,10 @@ FPGA (XCZ035). Also, it does not have connectors for external LOs. \subsection n3xx_feature_list_rh N320/N321 2-channel Transceiver - Supported master clock rates: 200 MHz, 245.76 MHz, 250 MHz -- Tuning range: 1 MHz to 6 GHz (below 450 MHz, an additional LO and mixer stage - is used to shift the signal into the range of the main LO stage) +- Tuning range: 3 MHz to 6 GHz + - Below 450 MHz, an additional LO and mixer stage + is used to shift the signal into the range of the main LO stage + - Tunable down to 1 MHz in UHD however performance is not guaranteed - Support for external LOs - 2 RX DDC chains in FPGA - 2 TX DUC chain in FPGA -- cgit v1.2.3