diff options
Diffstat (limited to 'electronics/rev')
-rw-r--r-- | electronics/rev/1.ms | 39 | ||||
-rw-r--r-- | electronics/rev/2 | 29 | ||||
-rw-r--r-- | electronics/rev/Makefile | 4 | ||||
-rw-r--r-- | electronics/rev/qer | 7 |
4 files changed, 79 insertions, 0 deletions
diff --git a/electronics/rev/1.ms b/electronics/rev/1.ms new file mode 100644 index 0000000..08daceb --- /dev/null +++ b/electronics/rev/1.ms @@ -0,0 +1,39 @@ +.TL +com systems +.AU +Lucas Standen +.AI +.EQ +delim #@ +.EN +.EQ +delim ## +.EN +QMC +.2C +.NH 1 +work +.LP +1)a)i) noise is additional signal, applied to the top of the input. distortion is where the signal itself is modifided. +1)a)ii) +.EQ +{SNR sub db} = 10 log ( {p sub s over p sub n} ) +.EN +.EQ +20 = 10 log({ p sub s over {0.1 times 10 sup -3}} ) +.EN +.EQ +2 = log({ p sub s over {0.1 times 10 sup -3}} ) +.EN +.EQ +10 sup 2 = p sub s over {0.1 times 10 sup -3} +.EN +.EQ +10 sup 2 times {0.1 times 10 sup -3} = p sub s +.EN +.EQ +{p sub s} = 10mW +.EN + +1)c) + diff --git a/electronics/rev/2 b/electronics/rev/2 new file mode 100644 index 0000000..703e788 --- /dev/null +++ b/electronics/rev/2 @@ -0,0 +1,29 @@ +1)a)i) +Q +1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +1 +0 +1)a)ii) no +1)a)iii) no +1)a)iv) less chips needed on your board +1)b)i) +10 +01 +01 +10 +11 +FORBIDEN +1)b)ii) there is a forbiden state +1)b)iii) to store the value of 1 bit + +2)a)i) A +2)a)ii) 0 diff --git a/electronics/rev/Makefile b/electronics/rev/Makefile new file mode 100644 index 0000000..5ab7e9c --- /dev/null +++ b/electronics/rev/Makefile @@ -0,0 +1,4 @@ +all: + groff -e 1.ms -ms -Tps | ps2pdf - > 1.pdf +open: + zathura *.pdf diff --git a/electronics/rev/qer b/electronics/rev/qer new file mode 100644 index 0000000..cfb77f9 --- /dev/null +++ b/electronics/rev/qer @@ -0,0 +1,7 @@ +It has 2 channels +It will have an inpedance of 15K when the input pot is 0 +It has a minimum gain of 2.6 ((300x10^3)/(100x10^3)+(15x10^3)) and a max of 20 ((300x10^3)/(15x10^3)) + +The gain is almost correct, although its minum is slightly too high + +A correct value would be to use a pot with a maximum impedance of 135K. |