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GFG-8255A |
| 5 MHz Sweep Function Generator + Counter + AM/FM |
$359.10
* Waveforms: Sine, Triangle, Square, Ramp, TTL and CMOS output
* External Voltage Controlled Frequency (VCF) function
* Duty cycle control with signal inversion capability
* Variable DC offset control
* Two-step (-20dBx2) and variable attenuator
* Built-in 6 digit high resolution counter with INT/EXT function up to 150MHz
* INT./EXT. AM/FM Modulation
* LIN/LOG Sweep Mode
* GCV Output for synchronization
| Main | Frequency Range | 0.5Hz - 5MHz(7 Ranges) |
| Amplitude | >10Vp-p (into 50Ω load) | |
| Impedance | 50Ω ±10% | |
| Attenuator | -20dB ±1.0dB X2, continuously variable | |
| DC Offset | ±10V(±5V into 50Ω load) | |
| Duty Control | 80%: 20%: 80% to 1MHz continuously variable | |
| Display | 6 digit LED display | |
| Sine Wave | Distortion | ≤1%, 0.5Hz - 100kHz |
| Flatness | ≤0.3dB, below 500kHz; ≤1dB, below 5MHz | |
| Square Wave | Symmetry | ±2%, 1Hz - 100kHz |
| Rise or Fall Time | ≤50ns at maximum output (into 50Ω load) | |
| Triangle Wave | Linearity | ≥98%, 0.5Hz - 100kHz; ≥95%, 100kHz - 5MHz |
| CMOS Output | ||
| Level | ≤4Vpp±1Vpp - 14.5Vpp±0.5Vpp adjustable | |
| Rise or Fall Time | ≤120ns | |
| TTL Output | Level | ≥ 3Vp-p |
| Fan Out | 20 TTL load | |
| Rise or Fall Time | ≤25ns | |
| VCF | Input Voltage | 0 - 10V ±1V for 100:1 frequency ratio |
| Input Impedance | 10kΩ±10% | |
| GCV | Output Voltage | To set the voltage between 0V - 2V as per different frequency |
| Sweep Operation | Sweep/Manual | Switch selector |
| Sweep/Rate | 100:1 ratio max. and adjustable | |
| Sweep/Time | 0.5 sec. - 30 sec. adjustable | |
| Sweep/Mode | Lin./Log. switch selector | |
| Sweep/Out | 0V - 10V±1V | |
| Amplitude Modulation | Depth | 0 - 100% |
| MOD. Frequency | 400Hz (INT), DC - 1MHz(EXT) | |
| Carrier BW | 100Hz - 5MHz (-3dB) | |
| EXT Sensitivity | ≤10Vpp for 100% modulation | |
| Frequency Modulation | Deviation | 0 - ±5% |
| MOD. Frequency | 400Hz(INT), DC 20kHz(EXT.) | |
| EXT. Sensitivity | ≤10Vpp for 10% modulation | |
| Frequency Counter | Int./Ext. | Switch selector |
| Range | 0.5Hz - 5MHz (5Hz - 150MHz EXT.) | |
| Accuracy | Time base accuracy ±1 count | |
| Time Base | ±20ppm(23°C ±5°C) after 30 min. warm up | |
| Resolution | 100nHz for 1 Hz, 1Hz for 100MHz | |
| Input Impedance | 1MΩ/150pF | |
| Sensitivity | ≤35mVrms(5Hz - 100MHz); ≤45mVrms(100MHz - 150MHz) | |
| Power | 115/230 VAC ±15%, 50/60Hz | |
| Size | 9.9" W X 11.5" D X 3.6" H | |
| Weight | 5.3 lbs. | |
| Accessories | BNC-alligator lead (GTL-101) X 2, manual, power cord | |