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GFG-8255A |
FEATURES： |
Frequency Range：0.5Hz ~ 5MHz |
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Waveforms：Sine, Triangle, Square, Ramp, TTL and
CMOS Output |
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External Voltage Controlled Frequency (VCF) Function |
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Duty Cycle Controlled with Signal Inversion Capability |
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Variable DC Offset Control |
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Two-Step (-20dB x 2) and Variable Attenuator |
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Built-in 6 Digit Counter with INT./EXT. Function
up to 150MHz / high resolution |
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INT./EXT. AM/FM Modulation |
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LIN/LOG Sweep Mode |
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GCV Output for
synchronization |
Data Sheet User
Manual |
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| SPECIFICATIONS | |
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Main |
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| Frequency Range | 0.5Hz to 5 MHz (7 ranges) |
| Amplitude | >10Vp-p (into 50Ω load) |
| Impedance | 50Ω +10% |
| Attenuator | -20dB+1dB x 2 |
| DC Offset | <-5V ~ >5V (into 50Ω load) |
| Duty Control | 80% : 20% : 80% to 1MHz Continue variable |
| Display | 6 digit LED display |
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| Sine Wave | |
| Distortion | <1%, 0.5Hz ~ 100kHz |
| Flatness | <0.3dB, below 500kHz； <1dB, below 5MHz |
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| Triangle Wave | |
| Linear | >98%, 0.5Hz ~ 100kHz； >95%, 100kHz ~ 5MHz |
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| Square Wave | |
| Symmetry | +2%, 1Hz ~ 100kHz |
| Rise or Fall Time | < 50nS at maximum output (into 50Ω load) |
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| CMOS Output | |
| Level | 4Vpp+1Vpp ~ 14.5Vpp+0.5Vpp adjustable |
| Rise or Fall Time | <120nS |
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| TTL Output | |
| Level | >3Vpp |
| Fan Out | 20 TTL load |
| Rise/Fall Time | <25nS |
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| VCF | |
| Input Voltage | 0V~10V ±1V(100 : 1) |
| Input Impedance | 10kΩ ±10% |
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| GCV | |
| Output Voltage | To set the voltage between 0V ~ 2V as per different frequency |
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| Sweep Operation | |
| Sweep/Manual | Switch selector |
| Sweep/Rate | 100 : 1 ratio max. and adjustable |
| Sweep/Time | 0.5sec. ~ 30sec. adjustable |
| Sweep/Mode | Lin./Log. switch selector |
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| Amplitude Modulation | |
| Depth | 0 ~ 100% |
| MOD. Frequency | 400Hz (INT), DC ~ 1MHz(EXT) |
| Carrier BW | 100Hz ~ 5MHz (-3dB) |
| EXT Sensitivity | <10Vpp for 100% modulation |
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| Frequency Modulation | |
| Deviation | 0 ~ + 5% |
| MOD. Frequency | 400Hz(INT), DC ~ 20kHz(EXT.) |
| EXT. Sensitivity | <10Vpp for 10% modulation |
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| Frequency Counter | |
| INT./EXT. | Switch selector |
| Range | 0.5Hz ~ 5MHz (5Hz ~ 150MHz EXT.) |
| Accuracy | Timebase accuracy ±1 Count |
| Timebase | ±20ppm (23°C±5°C) after 30 minutes warm up |
| Resolution | The maximum resolution is 100nHz for 1Hz and 1Hz for 100MHz |
| Input Impedance | 1MΩ//150pF |
| Sensitivity | <35mVrms (5Hz ~ 100MHz)；< 45mVrms (100MHz ~ 150MHz) |
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| Power Source | AC 115V/230V±15%, 50/60Hz |
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| Accessories | Power cord × 1, Instruction manual × 1, GTL-101 × 2 |
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| Dimensions & Weight | 251(W) × 91(H) × 291(D) mm, Approx. 2.4kg |
