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AR-317 VCO

Category: Ring Mod / Synth· Oscillators LFOs and Signal Generators
Price: see vendor
Tags: Oscillators LFOs and Signal Generators

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Schematic

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Parts list 130 rows

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Check before you build · 2 values the reader of this schematic was not sure of

Q7: emitter arrow direction hard to read; taken as PNP like Q8
×1 (U4 pin 5 resistor): no value printed

Ref	Value	Normalized	Type	Notes
Resistors 71
R1	150K	150k		1%; read from the schematic by eye
R2	1.5M	1.5M		read from the schematic by eye
R3	100K	100k		1%; read from the schematic by eye
R4	100K	100k		1%; read from the schematic by eye
R5	100K	100k		1%; read from the schematic by eye
R6	100K	100k		1%; read from the schematic by eye
R7	60.4K	60.4k		1%; read from the schematic by eye
R8	100K	100k		1%; read from the schematic by eye
R10	475K	475k		1%; read from the schematic by eye
R11	475K	475k		1%; read from the schematic by eye
R12	10	10		10 ohm; read from the schematic by eye
R13	6.8K	6.8k		circled on the drawing; read from the schematic by eye
R14	10K	10k		read from the schematic by eye
R15	100K	100k		read from the schematic by eye
R16	100K	100k		read from the schematic by eye
R17	1K	1k		read from the schematic by eye
R18	4.7K	4.7k		read from the schematic by eye
R19	30.1K	30.1k		1%; read from the schematic by eye
R20	30.1K	30.1k		1%; read from the schematic by eye
R21	12K	12k		read from the schematic by eye
R23	2.0K	2k		1%; read from the schematic by eye
R24	1.0K	1k		1%; read from the schematic by eye
R25	220	220		220 ohm; read from the schematic by eye
R26	2.0K	2k		read from the schematic by eye
R27	1.0K	1k		1%; read from the schematic by eye
R28	220	220		220 ohm; read from the schematic by eye
R29	3.3K	3.3k		read from the schematic by eye
R30	3.3K	3.3k		read from the schematic by eye
R31	2.2K	2.2k		read from the schematic by eye
R32	680	680		680 ohm; read from the schematic by eye
R33	100	100		100 ohm; read from the schematic by eye
R34	680	680		680 ohm; read from the schematic by eye
R35	3.9K	3.9k		read from the schematic by eye
R36	100K	100k		read from the schematic by eye
R37	68K	68k		read from the schematic by eye
R38	10K	10k		read from the schematic by eye
R39	1.5K	1.5k		read from the schematic by eye
R40	1K	1k		read from the schematic by eye
R41	47K	47k		read from the schematic by eye
R42	330	330		330 ohm; read from the schematic by eye
R43	18K	18k		read from the schematic by eye
R44	33K	33k		read from the schematic by eye
R45	33K	33k		read from the schematic by eye
R46	68K	68k		read from the schematic by eye
R47	18K	18k		read from the schematic by eye
R48	68K	68k		read from the schematic by eye
R49	27K	27k		read from the schematic by eye
R50	47K	47k		read from the schematic by eye
R51	330	330		330 ohm; read from the schematic by eye
R52	47K	47k		read from the schematic by eye
R53	1K	1k		read from the schematic by eye
R54	500K	500k		printed 1K, crossed out and changed to 500K by hand; read from the schematic by eye
R55	39K	39k		read from the schematic by eye
R56	100K	100k		read from the schematic by eye
R57	39K	39k		read from the schematic by eye
R58	100K	100k		read from the schematic by eye
R59	390	390		390 ohm; read from the schematic by eye
R60	1.5K	1.5k		read from the schematic by eye
R61	100K	100k		read from the schematic by eye
R62	100K	100k		read from the schematic by eye
R63	100K	100k		read from the schematic by eye
R64	10K	10k		read from the schematic by eye
R65	1K	1k		read from the schematic by eye
R66	470	470		470 ohm; read from the schematic by eye
R67	10K	10k		read from the schematic by eye
R68	39K	39k		read from the schematic by eye
R69	100K	100k		read from the schematic by eye
R70	332K	332k		1%; read from the schematic by eye
×1	?	?		undesignated resistor from U4 pin 5 to ground, value not given (probably R22); read from the schematic by eye
×1	120K	120k		hand-added triangle-shaper op amp stage (feedback); read from the schematic by eye
×1	1K	1k		hand-added stage output resistor; read from the schematic by eye
Capacitors 22
C1	1uF	1u		tantalum; read from the schematic by eye
C2	1uF	1u		tantalum; read from the schematic by eye
C3	100pF	100p		read from the schematic by eye
C4	30pF	30p		U1 compensation; read from the schematic by eye
C5	20pF	20p		read from the schematic by eye
C6	20pF	20p		read from the schematic by eye
C7	150pF	150p		compensation; read from the schematic by eye
C8	50pF	50p		read from the schematic by eye
C9	1000pF	1n		read from the schematic by eye
C10	100pF	100p		read from the schematic by eye
C11	150pF	150p		compensation; read from the schematic by eye
C12	10pF	10p		read from the schematic by eye
C13	50pF	50p		read from the schematic by eye
C14	150pF	150p		compensation; read from the schematic by eye
C15	0.5uF	500n		10% mylar, LO range; read from the schematic by eye
C16	.001uF	1n		10% mylar, HI range; read from the schematic by eye
C17	0.5uF	500n		10% mylar, LO range; read from the schematic by eye
C18	.001uF	1n		10%; read from the schematic by eye
C19	330pF	330p		read from the schematic by eye
C20	.001uF	1n		read from the schematic by eye
×1	33pF	33p		hand-added stage, input capacitor; read from the schematic by eye
×1	150pF	150p		hand-added stage, compensation; read from the schematic by eye
Diodes 6
D1	Diode	DIODE		no part number given; read from the schematic by eye
D2	Diode	DIODE		no part number given; read from the schematic by eye
D3	Diode	DIODE		no part number given; read from the schematic by eye
D4	Diode	DIODE		no part number given; read from the schematic by eye
D5	Diode	DIODE		no part number given; read from the schematic by eye
D6	Diode	DIODE		no part number given; read from the schematic by eye
Transistors 11
Q4	KE4392	KE4392		N-channel JFET; read from the schematic by eye
Q5	2N3393	2N3393		NPN, per note 3; read from the schematic by eye
Q6	2N3638	2N3638		PNP, per note 4; read from the schematic by eye
Q7	2N3638	2N3638		PNP, per note 4; read from the schematic by eye
Q8	2N3638	2N3638		PNP, per note 4; read from the schematic by eye
Q9	E212	E212		N-channel JFET; read from the schematic by eye
Q10	2N3393	2N3393		NPN, per note 3; read from the schematic by eye
Q11	2N3393	2N3393		NPN, per note 3; read from the schematic by eye
Q12	2N3393	2N3393		NPN, per note 3; read from the schematic by eye
Q13	2N3638	2N3638		PNP, per note 4; read from the schematic by eye
Q14	KE4392	KE4392		N-channel JFET; read from the schematic by eye
ICs 8
U1	LM301A	LM301A		read from the schematic by eye
U2	CA3080A	CA3080A		OTA; read from the schematic by eye
U3	LM301A	LM301A		read from the schematic by eye
U4	CA3080	CA3080		OTA; read from the schematic by eye
U5	LM301A	LM301A		read from the schematic by eye
U6	LM301A	LM301A		read from the schematic by eye
U7	LM301A	LM301A		read from the schematic by eye
×1	LM301A	LM301A		hand-added triangle-shaper op amp, undesignated; read from the schematic by eye
Potentiometers 4
Coarse Frequency	B100K	B100k	Potentiometer	P1, lin; read from the schematic by eye
Fine Frequency	B100K	B100k	Potentiometer	P2, lin; read from the schematic by eye
P3	A100K	A100k	Potentiometer	log, CV input attenuator; read from the schematic by eye
Pulse Width	B100K	B100k	Potentiometer	P4, lin; read from the schematic by eye
Trimmers 6
T1	10K	10k		1V/oct; read from the schematic by eye
Initial Frequency	50K	50k		T2; read from the schematic by eye
Sawtooth Amplitude	10K	10k		T3; read from the schematic by eye
Sawtooth Offset	10K	10k		T4; read from the schematic by eye
Sine Purity	50K	50k		T5; read from the schematic by eye
Sine Symmetry	50K	50k		T6; read from the schematic by eye
Switches 1
Range	DPDT	DPDT		S1 (S1-A/S1-B), HI/LO; read from the schematic by eye
Other 1
U8	?	?		exponential converter module, internals not shown; read from the schematic by eye