diff options
| author | rekado <rekado@elephly.net> | 2012-11-23 18:05:04 +0800 |
|---|---|---|
| committer | rekado <rekado@elephly.net> | 2012-11-23 18:05:04 +0800 |
| commit | b07f15cf587f135dcf4f8372de15892b8b204fe8 (patch) | |
| tree | 8762f9fb29f9b62d1b62b857ed23008fa56f3107 | |
| parent | 714fe1b65fc2032f80ad6baeb4b5a3e467b28218 (diff) | |
reminders to add buffers/active mixers
| -rw-r--r-- | gschem/crossover.sch | 6 | ||||
| -rw-r--r-- | gschem/tuner.sch | 5 |
2 files changed, 7 insertions, 4 deletions
diff --git a/gschem/crossover.sch b/gschem/crossover.sch index f8dd90f..dd022a2 100644 --- a/gschem/crossover.sch +++ b/gschem/crossover.sch @@ -483,7 +483,7 @@ footprint=CONNECTOR 3 1 N 49400 45900 49000 45900 4 N 50300 46100 52000 46100 4 N 50300 45700 50500 45700 4 -T 53200 34800 9 10 1 0 0 0 3 +T 52900 35000 9 10 1 0 0 0 3 This dual pot is wired to blend the two signals. As the resistance of one pot increases, the other pot's resistance decreases. @@ -669,3 +669,7 @@ footprint=CONNECTOR 1 1 } N 57700 36200 57300 36200 4 N 57300 36200 57300 37400 4 +T 56900 37900 9 10 1 0 0 0 2 +TODO: there should be a buffer here to mix +the signals actively (bipolar transistor?) +B 50800 34600 10200 4900 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1 diff --git a/gschem/tuner.sch b/gschem/tuner.sch index bc258c6..6f151b6 100644 --- a/gschem/tuner.sch +++ b/gschem/tuner.sch @@ -233,8 +233,7 @@ T 49800 44700 9 10 1 0 0 0 3 This connector is used because I only need two pins on the board. -T 46800 44000 9 10 1 0 0 0 2 -TODO: find correct resistor value to -set the tuner output volume. +T 46800 44000 9 10 1 0 0 0 1 +TODO: add a bipolar transistor to make this an active mixer. C 44500 46400 1 0 0 gnd-1.sym N 44600 46700 44600 47100 4 |