Apple CS II Betriebsanweisung PDF herunterladen (Seite 311)

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101

the front two outputs. I have built this circuit on a bread board but need to

make a PC board to make a better sounding circuit. Also the output impedance

should be set to 75K ohms but I haven't yet gotten around to it.

To make sound in stereo or quad all you have to do is place the binary

address of the channel you wish the sound to have in the control regsister for

the ocsilator (the tools can do this) and there you have it.

o----||----o |\ 1/4 IC7

| R2 | o-----------o--| >o---o

o--/\/\/\--o | | |/ __|___

| _ o-|-----o-----|-------|____|--o

R1 | | \_ IC1 | | | __|___ 1/4 IC5 | *

Pin 3--/\/\/\--o-|- \_ | | | o-|____|------------o---[O]--FL

| \__o | | | 1/4 IC5

o-|+ _/ | | | |\ 1/4 IC7

| | _/ | o---|-|---o--| >o---o

| |_/ | | | | | |/ __|___

_|_ | | o-|---|-------|____|--o

/// | | | | __|___ 1/4 IC5 | *

| | | o-|____|------------o---[O]--FR

IC2 | | | | 1/4 IC5

______ | | | | |\ 1/4 IC7

| | | | o-|-|---o--| >o---o

Pin 4----|a 1|-------------o | | | | | |/ __|___

Pin 5----|b 2|---------------o | o-|---|-------|____|--o

| 3|-----------------o | | __|___ 1/4 IC6 | *

|__ 4|--------------o | o-|____|------------o---[O]--BL

Pin 6----|EN | | | | 1/4 IC6

|____| | | | |\ 1/4 IC7

o----|-|---o--| >o---o

| | | |/ __|___

o-|---|-------|____|--o

| __|___ 1/4 IC6 | *

o-|____|------------o---[O]--BR

| 1/4 IC6

| *Notes: [O] = Output Stage

_|_ FL = "Front Left"

/// BR = "Back Right"

... etc.

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