Config changes known to work with two directly connected HackRFs
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@ -43,18 +43,18 @@
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// actually transmitted or received signal frequencies, NOT the SDR center frequency.
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#define SDR_TX_FREQ 434.100e6f
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#define SDR_RX_FREQ 434.115e6f
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#define SDR_RX_FREQ 434.100e6f
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// shift applied in the baseband, to get rid of SDR DC peak. If the value here
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// is not 0, software mixing will be done on the received signal.
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#define SDR_TX_IF_SHIFT 0.000e6f
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#define SDR_TX_IF_SHIFT 0.150e6f
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#define SDR_RX_IF_SHIFT 0.150e6f
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// NOTE: the SDR center frequency will be SDR_RX_FREQ - SDR_RX_IF_SHIFT.
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// gain configuration
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#define SDR_GAIN_TX_AMP 0.0f // extra power amplifier. Set to 14.0f to activate.
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#define SDR_GAIN_TX_VGA 0.0f // normal variable gain amplifier.
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#define SDR_GAIN_TX_VGA 16.0f // normal variable gain amplifier.
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#define SDR_GAIN_RX_AMP 0.0f // extra input amplifier. Set to 14.0f to activate.
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#define SDR_GAIN_RX_LNA 30.0f // RF variable gain amplifier.
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