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Instek GFG-3015 Function Generator
Instek GFG-3015 Function Generator
Features
  • Frequency Range 0.01Hz - 15MHz
  • Max. Frequency Resolution 10mHz
  • Dual Display Indicate Frequency and Amplitude
  • Built-In 6-digit Counter with INT/EXT Function up to 150MHz High Resolution
  • Output Waveforms Sine, Square, Triangle, Ramp, Pulse, AM, FM, Sweep, Trigger and Gate / Burst
  • VCF for 100:1 EXT Frequency Control
  • INT/EXT, AM/FM Modulation
  • GCV Output for Synchronization
  • Variable DC Offset Control
  • SYNC Output
  • LIN/LOG Sweep Mode
  • Output Overload Protection
  • RS-232C Interface Standard
Available Stock Items and Accessory Choices
Instek GFG-3015 Function Generator
Instek GFG-3015 Function Generator

This Instek GFG-3015 Function Generator is Brand New and has full manufacturer's warranty.
Stock #: 56459-1
Price:$799.00
Add to Cart Instraview Request Quote Request
Instek GTL-101 BNC-Alligator Test Lead
Instek GTL-101 BNC-Alligator Test Lead

This Instek GTL-101 BNC-Alligator Test Lead is Brand New and has full manufacturer's warranty.
Stock #: 56459-10
Price:$10.00
Add to Cart Instraview Request Quote Request

Description
The frequency feedback method applied by the Instek GFG-3015 Function Generator is a new technique that generates stable output frequency with extraordinary accuracy for a Function Generator.

The traditional function generators typically use integrating circuitry and constant current circuit techniques that are easily affected by operation temperature or the quality of resistor or capacitor and other key components that occur to make for poor frequency accuracy. The innovative design of the GFG-3015 helps to get rid of these problems.

The frequency feedback system needs a compatible, powerful frequency counter. GW has designed his own full-function counter chip, GFC-9701, for this system with high frequency test range and full functions, including Period Test, Duty Test, Ratio Test, Time Interval, Pulse Wide, Direct Display and Direct Connect with THE CPU system. The GFG-3015 uses this chip to read output frequency value at any time. Then CPU will modify the correct value of D/A converter immediately according to this value, so that the user can get a high accuracy frequency from the GFG-3015 Function Generator. Also, the GFG-3015 can generate a high accuracy frequency to provide a high frequency resolution.

Except the different design from the typical circuitry, the GFG-3015 system also has a micro controller (CPU unit) equipped with additional RS-232 interface functions which can be used on any test system, with other instruments, or be controlled by a computer.

Notice - All items included are listed or displayed above.

Technical Specifications

MAIN
Output WaveformsSine, Square, Triangle, ±Ramp, Pulse, AM, FM, Sweep, Trigger, Gate, Burst
Frequency Range10mHz - 15MHz in 8 Frequency Range (auto switch)
Frequency Resolution15MHz - 150kHz(100Hz); 1.5MHz - 15kHz(10Hz); 150kHz - 1.5kHz(1Hz); 15kHz - 150Hz(0.1Hz); 1.5kHz - 15Hz(10mHz); 150Hz - 1.5Hz(10mHz); 15Hz - 0.15Hz(10mHz); 1.5Hz - 0.01Hz(10mH)
Frequency Accuracy0.02% + 5 count
Output Impedance50Ω ±10%
Amplitude Range10.00V - 0.01V(into 50Ω) 4 amplitude;
Resolution: 10mV (10.00V - 0.01V)
Amplitude Accuracy≤3% ± 5 count at 10Hz - 1MHz;
≤10% ± 5count at 1MHz - 15MHz
Amplitude UnitVpp, Vrms, dBm
DC Offset-5V - +5V(into 50Ω ) ; Resolution 10mV
DC Offset Accuracy≤3% ± 3 count at amplitude min.
Duty Control80%:20%:80% to 1MHz ; Resolution 1%
Duty Accuracy≤1% - 1MHz at 50% duty
DisplayDual Display for Frequency 6 digits and Amplitude 4 digits
SINE WAVE
Distortion≤ 0.5%(-46dB) THD from 10Hz to 100kHz;
≤ -30dBc to 15MHz (spec. applied form 1Vpp - 10Vpp)
TRIANGLE WAVE
Linear Error<1% of full scale output at 100Hz
SQUARE WAVE
Asymmetry±1% of period + 3ns
Rise or Fall Time<18nS
SYNC OUTPUT
Impedance50Ω ± 10%
Level> 1Vpp open circuit
MODULATION CHARACTERISTICS
TypesAM, FM, Sweep, Trigger(int/ext), Gate or Burst (implement by trigger type)
WaveformSine, Square, Triangle, Ramp or Variable Symmetry Pulse
Rate Frequency Range10mHz - 10kHz in 3 Frequency Range (auto switch)
Rate Frequency Accuracy5% ±1 count
Rate Frequency Resolution10.0kHz - 0.1kHz(100Hz)
99Hz - 1Hz(0.1Hz)
0.99Hz - 0.01Hz(0.01Hz)
Symmetry90%:10%:90% ; Resolution: 1%
Symmetry Accuracy±1 count (≤±1%)
Output Level≥1Vp-p into 10KΩ load
Sine Wave Distortion≤1% from 10Hz to 10kHz
AMPLITUDE MODULATION
Depth0 - 100%
Modulation Frequency0.01Hz - 10kHz(INT) DC - 1MHz(EXT)
Carries –3dB Bandwidth<100Hz to >5MHz
External Sensitivity≤10Vp-p for 100% modulation
FREQUENCY MODULATION
Deviation0 - ±5%
Modulation Frequency Rate0.01Hz - 10kHz(INT) DC - 50kHz(EXT)
External Sensitivity≤5Vpp for 15% deviation
SWEEP CHARACTERISTICS
Sweep Range15MHz - 150kHz; 1.5MHz - 15kHz; 150kHz - 1.5kHz; 15kHz - 150Hz; 1.5kHz - 15Hz; 150Hz - 1.5Hz; 15Hz - 0.15Hz; 1.5Hz - 0.01Hz
Width>100:1 (in same frequency range)
Rate0.01Hz - 10kHz
Symmetry Control90%:10%:90% ; Resolution: 1%
ModeLinear / Log sweep
Sweep output0 to ≥-5Vp-p into 10KΩ
TRIGGER CHARCTERISTICS
Start/Stop Phase Range80° - 90°
Rate0.1Hz - 10kHz
Frequency Range0.1Hz - 1MHz(Useful to 10MHz)
Ext TRIG Frequency RangeDC to 1MHz,TTL compatible input level
Gate or BurstImplement by trigger setting
VCF (Voltage Controlled Frequency)
Range100:1(0 to 10V±1)
Input Linearity<0.5% to 1MHz,<5% to 10MHz
Input Impedance10kΩ
GCV (Generator Controlled Voltage)
OutputTo set the voltage between 0.2V to 2V as per different Frequency
FREQUENCY COUNTER
INT/EXTSwitch Selector
Range5Hz - 150MHz EXT
AccuracyTime base accuracy ±1count
Time Base±20ppm(23°±5°) after 30 minutes warm up
ResolutionThe maximum resolution is 100nHz for 1Hz and 0.1Hz for 100MHz
Input Impedance1MΩ // 150pF
Sensitivity≤35Vrms(5 - 100MHz);≤45Vrms(100MHz - 150MHz)
MEMORY
Save/Recall10 Sets of front panel setting memories
STATS
InterfaceRS-232C
Power SourceAC 115V/230V±15%, 50/60Hz
AccessoriesPower cord × 1
Instruction manual × 1
GTL-101 × 2
Dimensions & Weight290(W) × 142(H) × 460(D) mm, Approx. 5 kg

Pictures
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Instek GFG-3015 Function Generator
GFG-3015

Links to Additional Information
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