From 3b095f4253807661f51864a775447407eb855220 Mon Sep 17 00:00:00 2001 From: f4exb Date: Sat, 22 Jul 2017 12:02:09 +0200 Subject: [PATCH] SSB: updated documentation (2) --- plugins/channelrx/demodssb/readme.md | 14 ++++++++++++++ plugins/channeltx/modssb/readme.md | 14 ++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/plugins/channelrx/demodssb/readme.md b/plugins/channelrx/demodssb/readme.md index 25e89d1f0..78f770b5e 100644 --- a/plugins/channelrx/demodssb/readme.md +++ b/plugins/channelrx/demodssb/readme.md @@ -60,14 +60,28 @@ This is how the Span (8) and bandpass (9, 10) fitler controls look like in the 3 ![SSB Demodulator band controls DSB](../../../doc/img/SSBDemod_plugin_dsb.png) + - Decimation factor is 4 hence span is 6 kHz from -3 to +3 kHz and ±3.0k is displayed + - In channel filter bandwidth is 4.8 kHz from -2.4 to +2.4 kHz and ±2.4k is displayed + - In channel filter "low cut" is disabled and set to 0 + **USB**: ![SSB Demodulator band controls USB](../../../doc/img/SSBDemod_plugin_usb.png) + - Decimation factor is 4 hence span is 3 kHz from 0 to 3 kHz and 3.0k is displayed + - In channel filter upper cutoff is 2.4 kHz and 2.4k is displayed + - In channel filter lower cutoff is 0.3 kHz and 0.3k is displayed + - Hence in channel filter bandwidth is 2.1 kHz + **LSB**: ![SSB Demodulator band controls LSB](../../../doc/img/SSBDemod_plugin_lsb.png) + - Decimation factor is 4 hence span is 3 kHz from 0 to -3 kHz and -3.0k is displayed + - In channel filter lower cutoff is -2.4 kHz and -2.4k is displayed + - In channel filter upper cutoff is -0.3 kHz and -0.3k is displayed + - Hence in channel filter bandwidth is 2.1 kHz +

9: "BW": In channel bandpass filter cutoff frequency farthest from zero

Values are expressed in kHz and step is 100 Hz. diff --git a/plugins/channeltx/modssb/readme.md b/plugins/channeltx/modssb/readme.md index e6cc918f1..de2fd984f 100644 --- a/plugins/channeltx/modssb/readme.md +++ b/plugins/channeltx/modssb/readme.md @@ -55,14 +55,28 @@ This is how the Span (7) and bandpass (8, 9) fitler controls look like in the 3 ![SSB Demodulator band controls DSB](../../../doc/img/SSBDemod_plugin_dsb.png) + - Decimation factor is 4 hence span is 6 kHz from -3 to +3 kHz and ±3.0k is displayed + - In channel filter bandwidth is 4.8 kHz from -2.4 to +2.4 kHz and ±2.4k is displayed + - In channel filter "low cut" is disabled and set to 0 + **USB**: ![SSB Demodulator band controls USB](../../../doc/img/SSBDemod_plugin_usb.png) + - Decimation factor is 4 hence span is 3 kHz from 0 to 3 kHz and 3.0k is displayed + - In channel filter upper cutoff is 2.4 kHz and 2.4k is displayed + - In channel filter lower cutoff is 0.3 kHz and 0.3k is displayed + - Hence in channel filter bandwidth is 2.1 kHz + **LSB**: ![SSB Demodulator band controls LSB](../../../doc/img/SSBDemod_plugin_lsb.png) + - Decimation factor is 4 hence span is 3 kHz from 0 to -3 kHz and -3.0k is displayed + - In channel filter lower cutoff is -2.4 kHz and -2.4k is displayed + - In channel filter upper cutoff is -0.3 kHz and -0.3k is displayed + - Hence in channel filter bandwidth is 2.1 kHz +

8: "BW": In channel bandpass filter cutoff frequency farthest from zero

Values are expressed in kHz and step is 100 Hz.