Enclosure not stated · 3 knobs
Electro Harmonix Frequency Analyzer 2
Based on the Electro-Harmonix Frequency Analyzer 2
- Category
- Ring Mod / Synth· Ring Modulators and Frequency Shifters
- Controls
- Blend · Shift · Fine
- Price
- see vendor
- Tags
- Ring Modulators and Frequency Shifters
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 32 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- power-supply regulator: no part number drawn; RC4195 is a guess from the pinout
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×2 | 10 | 10 | power supply, regulator outputs; read from the schematic by eye | |
| ×3 | 1k | 1k | one in the output filter, two at the 8038 pins 4 and 5; read from the schematic by eye | |
| ×1 | 3.3k | 3.3k | dry blend divider; read from the schematic by eye | |
| ×1 | 5.1k | 5.1k | input op-amp gain leg; read from the schematic by eye | |
| ×1 | 5.6k | 5.6k | filter; read from the schematic by eye | |
| ×1 | 10k | 10k | input to ground; read from the schematic by eye | |
| ×2 | 33k | 33k | filter; read from the schematic by eye | |
| ×1 | 39k | 39k | dry blend divider; read from the schematic by eye | |
| ×1 | 43k | 43k | AD533 input to ground; read from the schematic by eye | |
| ×3 | 47k | 47k | two at the 8038 output divider, one in the filter; read from the schematic by eye | |
| ×1 | 56k | 56k | filter; read from the schematic by eye | |
| ×1 | 82k | 82k | 8038 pin 12; read from the schematic by eye | |
| ×1 | 220k | 220k | input op-amp feedback; read from the schematic by eye | |
| Capacitors 7 | ||||
| ×5 | 0.022uF | 22n | one 8038 timing, four in the power supply; drawn 0.022; read from the schematic by eye | |
| ×4 | 0.1uF | 100n | filter; drawn 0.1; read from the schematic by eye | |
| ×2 | 1uF | 1u | electrolytic; 8038 output coupling, output coupling; read from the schematic by eye | |
| ×1 | 1uF | 1u | electrolytic, 50V, supply; read from the schematic by eye | |
| ×2 | 1uF | 1u | electrolytic, 15V, supply rails; read from the schematic by eye | |
| ×3 | 10uF | 10u | electrolytic; read from the schematic by eye | |
| ×2 | 100uF | 100u | electrolytic, supply reservoir; read from the schematic by eye | |
| Diodes 1 | ||||
| ×1 | W02 | W02 | bridge rectifier, power supply; read from the schematic by eye | |
| ICs 5 | ||||
| ×1 | 741 | 741 | input op amp, drawn '741 type'; read from the schematic by eye | |
| ×1 | AD533 | AD533 | analog multiplier; read from the schematic by eye | |
| ×1 | 4558 | 4558 | dual op amp filter, drawn '4558 type'; read from the schematic by eye | |
| ×1 | 8038CC | 8038CC | function generator (carrier oscillator); read from the schematic by eye | |
| ×1 | ? | ? | dual tracking regulator in the power supply, unlabeled 14-pin; pinout suggests RC4195; read from the schematic by eye | |
| Potentiometers 3 | ||||
| Blend | B100K | B100k | Potentiometer | drawn 100kB; read from the schematic by eye |
| Shift | B100K | B100k | Potentiometer | drawn 100kB, rheostat; read from the schematic by eye |
| Fine | B2.5K | B2.5k | Potentiometer | drawn 2.5kB, rheostat; read from the schematic by eye |
| Trimmers 2 | ||||
| ×1 | 20k | 20k | AD533 trim (pin 10); read from the schematic by eye | |
| ×1 | 100k | 100k | AD533 trim (pin 7); read from the schematic by eye | |
| Switches 1 | ||||
| Filter | SPDT | SPDT | filter in/out; read from the schematic by eye | |