Wide range quadrature oscillator without DDS
by sv3ora

+5v

+5v

ltc1799
180
10k 100nF 1
 
5
 

sw2

74f74
vt43n1 I
0deg
3
 
9
 
red
LED
2
 

+5v
Q/
270deg

3

4
+5v 11
 
6
 
sw1a I/
180deg
+5v 14
 
8
 
100nF 1
 
5
 
1
 
2
 
red
LED
vt43n1 Q
90deg
4
 
12
 
2
 

+5v

3

4
10
 
5
 
sw1b
ltc6905
 
13
 
7