Function Generator using ICL8038
This is an Intersil ICL8038 based lab bench function generator circuit, this works well and is based on the "Intersil Hot Ideas" book. It can go 100-200 Khz, So it is best applied for Audio and Analog Experiments.Specifications
| Frequency range | 0.95 Hz to 105 KHz in five decade ranges. |
| Waveforms | Sine, Triangular and Square. |
| Output amplitude | Adjustable from 10 mV PP. to 10 V PP |
| Output impedance | 50 ohms. |
| Sine wave Amplitude Flatness | +/- 1 dB |
| Sine wave THD |
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| Triangle wave non-linearity |
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| Square wave rise-fall time | Less than or equal to 200 ns. |
Components
| SEMICONDUCTORS. | IC1-ICL8038, IC2-LM318, T1-SL100, T2-SK100, D1, D2-IN4148 |
| RESISTORS 1/4 W - 5% |
R1, R13, R14-10E; R18-22E; R16-47E; R11-56E; R9-220E; R19-390E; R2-1KE; R6, R8-2.2KE; R17-1.8KE; R3-R5-4.7KE; R10, R29, R15-3.9KE; R20, R21-39KE; R22-15KE. |
| PRESETS | VR1, VR3-2.2KE; VR4-470E; VR5-VR7-l00KE; VR8-22KE; VR10-IOKE. |
| POTENTIOMETERS. | VR2-FF-500E 1 W, VR9-VF-22K 1 W. |
| CAPACITORS 30V |
C1, C7, C8,-0.1 MFD; C2-3.3 MFD; C3-0.33 MFD; C4-33 KPF; C5-3.3 KPF; C6-330PF; C9-100MFD; C10-22PF; C11, C12-IOKPF; C13-20KPF. |
| MISCELLANEOUS | FC-1 POLE 5 WAY SWITCH, SS-2 POLE 3 WAY SWITCH, VC-1 POLE 4 WAY SWITCH, PCB, KNOBS, 2BNC SOCKETS, E,F IC BASES. |
Datasheets
| ICL8038 | ICL8038 waveform generator | ICL8038 | |
| LM318 | Operational Amplifier | LM318 | HTML |
Circuits
Glossary
- THD - Total Harmonic Distortion - Total harmonic distortion - Wikipedia, the free encyclopedia
- PP - Peak to Peak - RMS and peak - Peak-to-peak - Wikipedia, the free encyclopedia
- MFD - Micro Farad - Farad - Wikipedia, the free encyclopedia
