Specifications
Tables 2 through 5 show characteristics of the CFG280 Function Generator that are guaranteed by warranty.
Table 2: Generator Specifications
| Characteristic | Measurement |
| Outputs | Square wave, sine wave, triangle wave, TTL pulse, positive and negative ramp, pulse and skewed sine wave, AM, and sweep functions |
| Frequency Ranges | 0.1 Hz to 11 MHz, up/down range switchable in eight decade steps |
| Dial Range | 1 to 11 calibrated 0.1 to 1 uncalibrated |
| Dial Accuracy | ±5% of full scale from 0.1 Hz to 10 MHz 11 MHz setting not less than 11 MHz (ambient temperature 20° C to 30° C) |
| Pulse and Ramp Frequency | 1/10 of dial frequency |
| Pulse and Ramp Aspect Ratio | 95:5 |
| Main Output Amplitude | Two ranges: 0-20 Vp-p 200 mV to 20 Vp-p (open circuit) 100 mV to 10 Vp-p (50 ohm load) 0-0.2 Vp-p 20 mV to 2 Vp-p (open circuit) 10 mV to 1 Vp-p (50 ohm load) |
| Main Output Impedance | 50 ohm ±10% |
| DC Offset | <-1 0 V to >+1 0 V (open circuit) <-5 V to >+5 V (into 50 ohm load) |
| Amplitude Flatness(At 10 kHz, 50 ohm Load) | Within ±0.5 dB, 0.1Hz to 110kHz Within ±1.5 dB, to 1.1 MHz Within ±2.5 dB, to 11 MHz |
| Sine Wave Distortion | <1% from 10 Hz to 100 kHz -30 dB at all other frequencies (ambient temperature 20° C to 30° C) |
| Triangle Wave Linearity | 0.1 Hz to 100 Hz >or= 99% 100 kHz to 1 MHz >or= 97% Measured from 10% to 90% of waveform |
| Square Wave Transition Time | <or= 25 ns rise/fall time at maximum output into a 50ohm load |
| Square Wave Aberrations | <or=4% peak-to-peak at maximum output into a 50 ohm load |
| Sync TTL Output Rise/Fall Time | <25 ns into 50 ohm load |
| VCF (FM) Input | A ±10 V signal input shifts frequency >or= 1000:1 up or down with dial set at 0.1 or 11 respectively |
| External Gate Input | >or= +2 V gate signal required, not to exceed +15 V fixed 0 degree start phase |
| Internal Sweep Rate | Continuously variable from 0.5 to 50 Hz |
| Internal Sweep Width | Variable from 1:1 to 100:1 |
| Amplitude Modulation | 100% with <or= 5 Vp-p DC to 200 kHz DSB suppressed carrier modulation is also obtained by input modulating the signal with >or= +2.5 VDC offset Input impedance = 3 kohm |
Table 3: Counter Specifications
| Characteristic | Measurement |
| Input Selection | Internal and external input selectable |
| Frequency Range | DC to 100 MHz for internal 1 Hz to 100 MHz, AC coupled for external |
| Resolution | Frequency mode: 1 Hz, 10 Hz, 1 kHz Period mode: 1 ms |
| Accuracy | Frequency mode: ±(1 count + time base error) Period mode: ±(1 count + time base error + trigger error) |
| Sensitivity 30 mVrms 50 mVrms |
1 Hz to 50 MHz 50 MHz to 100 MHz |
| Impedance | 1 M ohm paralleled by 40 pF |
| Attenuation | 3 V to 42 V (X10) 50 mV to 5 V (X1) |
| Maximum Input Voltage | 42 V peak |
| Crystal Frequency | 10 MHz |
| Temperature Stability | <0.001% (10 ppm from 0' C to 40' C) |
| Line Voltage Stability | <±1 ppm with 10% line voltage variation |
| Aging Rate | <±10 ppm/yr |
Table 4: General Specifications
| Characteristic | Measurement |
| Line Voltage Range | Selectable ranges at 50 Hz to 60 Hz 90 VAC to 110 VAC 108 VAC to 132 VAC 198 VAC to 242 VAC 216 VAC to 250 VAC |
| Operating Temperature | +0° C to +40° C, 80% relative humidity |
| Nonoperating Temperature | -10° C to +70° C, 70% relative humidity |
Table 5: Certifications and Compliances
| EC Declaration of Conformity - EMC |
Meets intent of Directive 89/336/EEC for
Electromagnetic Compatibility. Compliance was demonstrated to
the following specifications as listed in the Official Journal
of the European Communities: EN 55011 Class A Radiated and Conducted Emissions EN 50081-1 Emissions: EN 60555-2 AC Power Line Harmonic Emissions EN 50082-1 Immunity: IEC 801-2 Electrostatic Discharge Immunity IEC 801-3 RF Electromagnetic Field Immunity IEC 801-4 Electrical Fast Transient/Burst Immunity IEC 801-5 Power Line Surge Immunity |
| EC Declaration of Conformity - Low Voltage | Compliance was demonstrated to the following
specification as listed in the Official Journal of the European
Communities: Low Voltage Directive 73/23/EEC, amended by 93/68/EEC. HD401 S1 Safety Requirements for Electronic Measuring Apparatus. |
Table 6: Typical Mechanical Specifications
| Characteristic | Measurement |
| Dimensions(H x W x D) | 100 mm X 240 mm X 230 mm (3.9 in x 9.5 in x 9.0 in) |
| Weight | 3.0 kg (6.6 lb) |