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) |