From b07f15cf587f135dcf4f8372de15892b8b204fe8 Mon Sep 17 00:00:00 2001
From: rekado <rekado@elephly.net>
Date: Fri, 23 Nov 2012 18:05:04 +0800
Subject: reminders to add buffers/active mixers

---
 gschem/crossover.sch | 6 +++++-
 gschem/tuner.sch     | 5 ++---
 2 files changed, 7 insertions(+), 4 deletions(-)

(limited to 'gschem')

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
-- 
cgit v1.2.3