频率范围：0.3Hz ~ 3MHz（GFG-8215A/8216A/8217A/8219A）
频率范围：0.5Hz ~ 5MHz（GFG-8250A/8255A）
波形：正弦波，三角波，方波，Ramp，TTL与CMOS输出
外部电压控制频率功能（VCF）
固定衰减器（-20dB x 2）以及可调式衰减器
内置6位数高分辨率计频器，可测频率范围达150MHz（除了GFG-8215A）
内部/外部调频、调幅（GFG-8219A/8255A）
GCV同步电压输出（GFG-8217A/8219A/8255A）
| 规格 | ||
| 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) | |
| Disy | 6 digits LED disy *GFG-8215A does not have a disy | |
| 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 ~ | |
| MOD. Frequency | 400Hz (INT), DC ~ 1MHz(EXT) | |
| Carrier BW | 100Hz ~ 3MHz (-3dB) | 100Hz ~ 5MHz (-3dB) |
| EXT Sensitivity | < 10Vpp for 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 | 251(W) x 91(H) x 291(D)mm | |
| Approx. 2.0 kg(GFG-8215A) | Approx. 2.3 kg (GFG-8250A) | |
| Approx. 2.1 kg(GFG-8216A) | Approx. 2.4 kg (GFG-8255A) | |
| Approx. 2.15kg(GFG-8217A) | ||
| Approx. 2.2 kg(GFG-8219A) | ||
