Enclosure not stated · 5 knobs

Tremshifter

The original Dead Astronaut Tremshifter· 1 other board or layout builds it

Category: Other
Controls: Trem-Spd · Trem-Dpth · Fltr-Spd · Fltr-Dpth · Vol
Price: £15.00in stock

Buy the PCB at Dead Astronaut FX Build document Tremshifter Drills

Schematic

The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 59 rows

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Check before you build · 1 value the reader of this schematic was not sure of

LDR1, LDR2: the source gives no part number, only '2k-24k'; GL5516 and GL5528 are suggestions whose lit resistance falls in that range, not parts the designer named

Ref	Value	Normalized	Type	Notes
Resistors 26
R1	220k	220k		read from the schematic by eye
R2	220k	220k		read from the schematic by eye
R3	220k	220k		read from the schematic by eye
R4	220k	220k		read from the schematic by eye
R5	6.8k	6.8k		read from the schematic by eye
R6	1k	1k		read from the schematic by eye
R7	220k	220k		read from the schematic by eye
R8	1M	1M		read from the schematic by eye
R9	1k	1k		read from the schematic by eye
R10	10k	10k		read from the schematic by eye
R11	470k	470k		read from the schematic by eye
R12	100k	100k		read from the schematic by eye
R13	100k	100k		read from the schematic by eye
R14	100k	100k		read from the schematic by eye
R15	100k	100k		read from the schematic by eye
R16	220k	220k		read from the schematic by eye
R17	3.3k	3.3k		read from the schematic by eye
R18	220k	220k		read from the schematic by eye
R19	1k	1k		read from the schematic by eye
R20	220k	220k		read from the schematic by eye
R21	6.8k	6.8k		read from the schematic by eye
R22	1M	1M		read from the schematic by eye
R23	1M	1M		read from the schematic by eye
R24	1k	1k		read from the schematic by eye
R25	100R	100		read from the schematic by eye
CLR	4.7k	4.7k		LED resistor; read from the schematic by eye
Capacitors 14
C1	1n	1n		read from the schematic by eye
C2	47uF	47u		read from the schematic by eye
C3	10nF	10n		read from the schematic by eye
C4	4.7uF	4.7u		read from the schematic by eye
C5	1uF	1u		read from the schematic by eye
C6	100uF	100u		read from the schematic by eye
C7	2.2n	2.2n		read from the schematic by eye
C8	330pF	330p		read from the schematic by eye
C9	22n	22n		read from the schematic by eye
C10	10uF	10u		read from the schematic by eye
C11	4n7	4.7n		read from the schematic by eye
C12	10n	10n		read from the schematic by eye
C13	22pF	22p		read from the schematic by eye
C14	100n	100n		read from the schematic by eye
Diodes 1
D3	1N4001	1N4001		read from the schematic by eye
ICs 3
IC1	TL072	TL072		or 1458; read from the schematic by eye
IC2	TL072	TL072		or 1458; read from the schematic by eye
IC3	TL072	TL072		or 1458; read from the schematic by eye
Opto 2
LDR1	GL5516 or GL5528	GL5516 / GL5528		suggested part: the parts list names none, only an on (lit) resistance between 2k and 24k (printed '2k-24k'); the GL5516 is 5-10k and the GL5528 10-20k at 10 lux; 5mm; printed 'LDR5MM SB BLUE'; read from the schematic by eye
LDR2	GL5516 or GL5528	GL5516 / GL5528		suggested part: the parts list names none, only an on (lit) resistance between 2k and 24k (printed '2k-24k'); the GL5516 is 5-10k and the GL5528 10-20k at 10 lux; 5mm; printed 'LDR5MM SB GREEN'; read from the schematic by eye
Potentiometers 5
TREM-SPD	A1M	A1M	Potentiometer	read from the schematic by eye
TREM-DPTH	1k	1k	Potentiometer	read from the schematic by eye
FLTR-SPD	A1M	A1M	Potentiometer	read from the schematic by eye
FLTR-DPTH	100k	100k	Potentiometer	read from the schematic by eye
VOL	B22k	B22k	Potentiometer	read from the schematic by eye
Switches 3
SQR/TRI	SPDT on/off	SPDT ON/OFF		toggle; read from the schematic by eye
FILTER	SPDT on/off	SPDT ON/OFF		toggle; read from the schematic by eye
FLTR-CAP	SPDT on/off/on	SPDT ON/OFF/ON		toggle; read from the schematic by eye
LEDs 5
-LDR1	5mm LED	5MM LED		the LED that lights LDR1; read from the schematic by eye
-LDR2	5mm LED	5MM LED		the LED that lights LDR2; read from the schematic by eye
F-LFO	3mm LED	3MM LED		orange; filter rate indicator; read from the schematic by eye
T-LFO	3mm LED	3MM LED		orange; tremolo rate indicator; read from the schematic by eye
FSLED	3mm LED	3MM LED		footswitch indicator; read from the schematic by eye

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