The GFG-8216A is a 3MHz analogue function generator with TTL/CMOS/Ramp output, External Voltage Controlled Frequency (VCF), as well as a built-in 6-digit counter as standard. Using dial knobs and buttons and a clear LCD display for signal generation, the GFG-8216A is simple and easy to use. All these integrated and user-friendly functions of the GFG-8216A are made to accommodate applications in audio response testing, vibration testing, servo system evaluation and ultra sound applications, etc.
Features
*Frequency Range: 0.3Hz ~ 3MHz (GFG-8215A/8216A/8217A/8219A)
*Frequency Range: 0.5Hz ~ 5MHz (GFG-8250A/8255A)
*Waveforms: Sine, Triangle, Square,Ramp, TTL and CMOS Output
*External Voltage Controlled Frequency (VCF) Function
*Two-Steps (-20dBx2) and Variable Attenuator
*Built-In 6 Digits Counter with INT/EXT Function up to 150MHz(Except GFG-8215A)
*INT/EXT AM/FM Modulation (GFG-8219A/8255A)
*GCV Output for Synchronization (GFG-8219A/8255A)
Technical Specifications:
| GFG-8215A/8216A/8217A/8219A | GFG-8250A / 8255A |
| MAIN |
| Frequency Range | 0.3Hz ~ 3MHz (7 Range) | 0.5Hz ~ 5MHz (7 Range) |
| Amplitude | >10Vpp (into 50Ω load) |
| Impedance | 50Ω±10% |
| Attenuator | -20dB±1dBx2 |
| DC Offset | <-5V ~ >5V (into 50Ω load) |
| Duty Control | 80% ~ 20%, maximum 1MHz (continuously adjustable) |
| Display | 6 digits LED display
*GFG-8215A does not have a display |
| Range Accuracy | ±5%+1Hz (at 3 positions) *only for GFG-8215A |
| SINE WAVE |
| Distortion | < 1%, 0.3Hz ~ 200kHz | < 1%, 0.5Hz ~ 100kHz |
| THD (Total Harmonic Distortion) | < 35dB, below fundamental in all ranges, from Max to 1/10 level | < 30dB, below fundamental in all ranges, from Max to 1/10 level |
| Flatness | < 0.3dB, 0.3Hz ~ 300kHz
< 0.5dB, 300kHz ~ 3MHz | < 0.3dB, below 500kHz
< 1dB, below 5MHz |
| TRIANGLE WAVE |
| Linear | > 98%, 0.3Hz ~ 100kHz
> 95%, 100kHz ~ 3MHz | > 98%, 0.5Hz ~ 100kHz
> 95%, 100kHz ~ 5MHz |
| SQUARE WAVE |
| Symmetry | ±2%, 0.3Hz ~ 100kHz | ±2%, 1Hz ~ 100kHz |
| Rise or Fall Time | < 100nS at maximum output (into 50Ω load) | < 50nS at maximum output (into 50Ω load) |
| CMOS OUTPUT |
| Level | 4Vpp±1Vpp ~ 14.5Vpp±0.5Vpp adjustable |
| Rise or Fall Time | < 120nS |
| TTL OUTPUT |
| Level | > 3Vpp |
| Fan Out | 20 TTL load |
| Rise or Fall Time | < 25nS |
| VCF (Voltage Controlled Frequency) |
| Input Voltage | 0V ~ 10V±1V (100 : 1) |
| Input Impedance | 10kΩ±10% |
| GCV (Generator Controlled Voltage) (GFG-8219A/8255A) |
| Output Voltage | Sets the voltage between 0V ~ 2V according to the frequency |
| SWEEP OPERATION (GFG-8217A/8219A/8255A) |
| Sweep Selection | Switch selector |
| Sweep Rate | Maximum 100 : 1, adjustable |
| Sweep Time | 0.5sec ~ 30sec, adjustable |
| Sweep Mode | Lin/Log switch selector |
| AMPLITUDE MODULATION (GFG-8219A/8255A) |
| Depth | 0 ~ 100% |
| MOD. Frequency | 400Hz (INT), DC ~ 1MHz(EXT) |
| Carrier BW | 100Hz ~ 3MHz (-3dB) | 100Hz ~ 5MHz (-3dB) |
| EXT Sensitivity | < 10Vpp for 100% modulation |
| FREQUENCY MODULATION (GFG-8219A/8255A) |
| Deviation | 0 ~ ±5% |
| MOD. Frequency | 400Hz (INT), DC ~ 20kHz(EXT) |
| EXT. Sensitivity | < 10Vpp for 10% modulation |
| FREQUENCY COUNTER (GFG-8216A/8217A/8219A/8250A/8255A) |
| INT/EXT | Switch selector |
| Range | 0.3Hz ~ 3MHz (5Hz ~ 150MHz EXT) | 0.5Hz ~ 5MHz (5Hz ~ 150MHz EXT) |
| Accuracy | Time base accuracy±1 count |
| Time Base | ±20ppm(23° C ± 5° C)after 30 minutes warm up |
| Resolution | 100nHz for 1Hz, 1Hz for 100MHz |
| Input Impedance | 1MΩ // 150pF |
| Sensitivity | < 35mVrms (5Hz ~ 100MHz)
< 45mVrms (100MHz ~ 150MHz) |
| POWER SOURCE |
| AC115V/230V±15%, 50 / 60Hz |
| DIMENSIONS & WEIGHT |
| 251(W) x 91(H) x 291(D)mm
Approx. 2.0 kg(GFG-8215A)
Approx. 2.1 kg(GFG-8216A)
Approx. 2.15kg(GFG-8217A)
Approx. 2.2 kg(GFG-8219A) | 251(W) x 91(H) x 291(D)mm
Approx. 2.3 kg (GFG-8250A)
Approx. 2.4 kg (GFG-8255A) |
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