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Commit 99321f33 authored by Erik Strand's avatar Erik Strand
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Maybe answer 15.4 (c)

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......@@ -162,6 +162,7 @@ If an op-amp with a gain–bandwidth product of 10 MHz and an open-loop DC gain
configured as an inverting amplifier, plot the magnitude and phase of the gain as a function of
frequency as $$R_\text{out}/R_\text{in}$$ is varied.
## (15.3)
{:.question}
......@@ -205,6 +206,13 @@ $$
Assuming a flat noise power spectrum, what is the coding gain if the entire sequence is used to send
one bit?
I think the coding gain works out like the SNR I derive in the next problem... but could be wrong.
$$
10 \log_{10} \left( 2^{88.5} \right) = 266 \si{dB}
$$
## (15.5)
{:.question}
......@@ -291,6 +299,7 @@ $$
The message 00 10 01 11 00 ($$c_1$$, $$c_2$$) was received from a noisy channel. If it was sent by
the convolutional encoder in Figure 15.20, what data were transmitted?
## (15.7)
{:.question}
......
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