厂家: Goldstar
This function generator (a.k.a. audio oscillator) features switchable output
impedance, push-button selection of the 400Hz and 1KHz standard audio test
frequencies, and use of its display for measuring the frequency of an external
signal.
Features
Specifications
| Frequency Range | 10Hz~1MHz, in 5 decade steps variable control 10:1 |
| Frequency Indicator | 4 digit green LED display |
| Frequency Accuracy | ±1 digit (4 digit max) |
|
Sine Wave Characteristics |
|
| Output Voltages | 8Vrms or more |
| Frequency Response | 10Hz~1MHz ± 0.5dB, ref. freq. 1kHz |
| Distortion Factor |
50Hz~500kHz : 0.5% or less |
|
Square Wave Characteristics |
|
| Output Voltage | 10Vp-p or more (open circuit) |
| Rise and Fall Times | 200ns or less |
| Overshoot | 2% or less (at 1kHz, Max. output) |
| Duty Ratio | 50% ±5% (at 1kHz, Max. output) |
|
External Synchronization Characteristics |
|
| Input Impedance | Approx. 10kΩ |
| Max. Allowable Input | 10Vrms |
|
Output Characteristics |
|
| Impedance (changeable) | 600Ω or 50Ω ±5% |
| Attenuator | 0dB, -10dB, -20dB, -40dB (accuracy: ±1dB) |
| Variable | -60dB or more |
|
Frequency Characteristics (int/ext) |
|
| Display | 4 digit green LED display |
| Frequency Range | 10Hz~1MHz (0.5s, 1s) |
| Accuracy | Timebase error ±1 count |
| Max. Input Voltage | 150Vrms (at 1kHz) |
| Input Sensitivity | 130mVrms |
| Input Impedance | Approx. 1MΩ/ / 25pF |