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authorSteven Koo <steven.koo@ni.com>2022-02-15 11:31:01 -0600
committerAaron Rossetto <aaron.rossetto@ni.com>2022-02-16 12:15:04 -0600
commitfeb2220d81c401bf0b3bda5c4ba089427b0d3865 (patch)
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parentf1f6d8eac52bfecd840ace95c2d357641ae3b09c (diff)
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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 <steven.koo@ni.com>
Diffstat (limited to 'host')
-rw-r--r--host/docs/usrp_n3xx.dox12
1 files changed, 8 insertions, 4 deletions
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