Enclosure not stated
ISD1000 recorder
- Category
- Delay· Delay Echo and Samplers
- Price
- see vendor
- Tags
- Delay Echo and Samplers
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 14 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| ×2 | 47k | 47k | pull-up on pins 24/27 and series to pin 23; read from the schematic by eye | |
| ×1 | 2.2k | 2.2k | mic bias; read from the schematic by eye | |
| ×1 | 4.7k | 4.7k | mic bias; read from the schematic by eye | |
| ×1 | 470k | 470k | pin 19 (AGC); read from the schematic by eye | |
| ×1 | 10 | 10 | speaker, marked optional; read from the schematic by eye | |
| Capacitors 4 | ||||
| ×2 | 47uF | 47u | supply decoupling and mic bias filter, electrolytic; read from the schematic by eye | |
| ×3 | .1uF | 100n | read from the schematic by eye | |
| ×3 | .22uF | 220n | pins 20/21, 17 and 18; read from the schematic by eye | |
| ×1 | 4.7uF | 4.7u | pin 19 AGC, electrolytic; read from the schematic by eye | |
| Diodes 1 | ||||
| ×1 | 1N914 | 1N914 | read from the schematic by eye | |
| ICs 1 | ||||
| ×1 | ISD100A | ISD100A | ISD1000A voice record/playback chip, drawn as ISD100A; read from the schematic by eye | |
| Switches 2 | ||||
| Play | SPST momentary | SPST MOMENTARY | pushbutton; read from the schematic by eye | |
| Record | SPST momentary | SPST MOMENTARY | pushbutton; read from the schematic by eye | |
| Other 1 | ||||
| ×1 | Electret mic | ELECTRET MIC | read from the schematic by eye | |