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2995f19e9b
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Go to 300 MHz for FM receiver
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2024-03-06 00:01:57 +01:00 |
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4b6194e9c2
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Optimize decimation, use 3rd order filter for FM
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2024-03-05 20:18:08 +01:00 |
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f640ce9677
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Go back to 16-bit output depth
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2024-03-05 17:49:30 +01:00 |
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1a3eb74ea2
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Move voltage regulator configuration to a macro
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2024-03-03 23:57:31 +01:00 |
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1a68043531
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Experiment with FM radio reception
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2024-03-03 17:36:31 +01:00 |
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99e3dfbf7f
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Do not print anything out of the RX core1 loop
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2024-03-03 17:36:31 +01:00 |
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091379cffb
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Make AGC decay and LPF order configurable
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2024-03-03 00:40:16 +01:00 |
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92f69b56ae
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Fix rx command help
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2024-03-01 17:11:58 +01:00 |
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768c3f3188
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Use yet another bias pattern
This one works equally well for both string and weak signals.
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2024-03-01 16:38:24 +01:00 |
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17389d28c4
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Prevent overflow with jittery sampling
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2024-03-01 16:38:21 +01:00 |
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31d7a8c613
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Weaker biasing has better SNR
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2024-02-28 19:45:44 +01:00 |
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4652802a54
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Calculate sleep and RX buffer from decimation
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2024-02-28 10:10:41 +01:00 |
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b05ec20528
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Remove unused function
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2024-02-28 09:56:35 +01:00 |
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2732df5bc3
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Experiment with OOK
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2024-02-27 21:47:20 +01:00 |
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68ca4f14f4
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Increase preamp overhead
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2024-02-27 21:40:10 +01:00 |
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2ac398955a
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Improve interactive RX format
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2024-02-27 20:40:38 +01:00 |
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3160a9186c
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Faster bias has lower noise floor
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2024-02-27 20:34:17 +01:00 |
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013cf04398
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Make sure we do not fall behind on RX
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2024-02-27 20:33:41 +01:00 |
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5b6e46cef3
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Print RSSI from AGC in interactive RX mode
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2024-02-27 20:33:07 +01:00 |
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f4f30ddb49
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Use PWM PSU mode
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2024-02-27 09:37:47 +01:00 |
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fbdc9b5f1c
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Shorten RX buffers a bit
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2024-02-27 00:09:53 +01:00 |
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24835e8601
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Increase bandwidth from 1.024 MHz to 1.28 MHz
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2024-02-26 22:27:52 +01:00 |
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1003d29c2e
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Avoid 64-bit integers as much as possible
|
2024-02-26 22:26:49 +01:00 |
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d26db812fa
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Default to default regulator voltage
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2024-02-26 21:52:46 +01:00 |
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524326faf5
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Adjust AGC to work with high decimations
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2024-02-26 12:29:49 +01:00 |
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cf494d2a4d
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Update test parameters
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2024-02-25 23:16:47 +01:00 |
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d443fd1761
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Experiment with TX bursts
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2024-02-25 23:16:25 +01:00 |
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faba586311
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Assume decimation and optimize the loops
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2024-02-25 23:16:10 +01:00 |
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b3422c5674
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Experiment with FSK, separate BPSK
|
2024-02-25 18:55:57 +01:00 |
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437b23e68c
|
Simple GNU Radio Companion worksheet for testing
|
2024-02-25 18:55:40 +01:00 |
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0530cba018
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Allow changing frequency during TX
|
2024-02-25 17:24:33 +01:00 |
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56c03727bc
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Add TX simulation
|
2024-02-25 13:29:17 +01:00 |
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eb4a49249a
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Use different name for DMA TX channel
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2024-02-25 12:52:07 +01:00 |
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a2b38be6cf
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Replace constant gain with AGC
|
2024-02-24 23:40:28 +01:00 |
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daea0dd8bf
|
Slightly increase numerical precision
|
2024-02-24 23:28:35 +01:00 |
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34c070ed42
|
Fix max amplitude formula and DC bias removal
|
2024-02-24 23:28:31 +01:00 |
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3f8b2846bd
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Improve BPSK with output polarity inversion
|
2024-02-24 22:25:05 +01:00 |
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a228223799
|
Use more sensible output scaling
|
2024-02-24 21:08:53 +01:00 |
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44dfa7e043
|
Add third LPF stage
|
2024-02-24 21:08:40 +01:00 |
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813a23e699
|
Introduce averaging before decimation
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2024-02-24 20:22:47 +01:00 |
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50b1947723
|
Experiment with manual BPSK
|
2024-02-24 11:09:03 +01:00 |
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7621d2d21a
|
Restore DC bias removal with better precision
|
2024-02-24 11:08:34 +01:00 |
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efca7bda55
|
Limit bias slew rate
|
2024-02-24 11:08:12 +01:00 |
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b09d442c5c
|
Remove unnecessary debugging section
|
2024-02-23 23:22:44 +01:00 |
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78b07b9c09
|
Use 8 bit samples
After adjusting for the noise floor, we can use 8 bit samples for all
supported bandwidths.
|
2024-02-23 23:22:08 +01:00 |
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d3e403df33
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Remove unneeded constants
|
2024-02-23 20:30:02 +01:00 |
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29f726894f
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Decrease DC bias removal alpha
This requires use of int64_t, which is emulated.
|
2024-02-23 11:31:06 +01:00 |
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f6e579919a
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Experiment with wider bandwidth
|
2024-02-23 11:30:55 +01:00 |
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69beaab8e6
|
Decrease sweep speed
|
2024-02-23 11:19:39 +01:00 |
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e92587b522
|
Remove DC bias
|
2024-02-23 11:19:28 +01:00 |
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