To place an order, call
800-323-2439 or 214-340-0265

10557 Metric Drive
Dallas, TX 75243
Ph: 800-323-2439 or
Fx: 214-340-5870
15 MHz Signal/Function Generator, LED

The GFG-3015 is a function generator that applies frequency feedback control system technique and can generate high frequency accuracy with high resolution. Its main signal source can generate waveforms including sine, square, triangle, and ramp.

  • Frequency range: 0.01Hz~15MHz
  • Maximum frequency resolution: 10mHz
  • Dual display indicator 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


  Sine, Square, Triangle, ±Ramp, Pulse,
  AM, FM, Sweep, Trigger, Gate, Burst
  10mHz~15MHz in 8 Frequency Range
  (auto switch)

  1.5kHz~15Hz(10mHz) 150Hz~1.5Hz(10mHz);
  15Hz~0.15Hz(10mHz); 1.5Hz~0.01Hz(10mH)

  0.02% ±5 count
  50 Ohms ±10%

  10.00V~0.01V (into 50 Ohms ) 4 amplitude;
  |Vac peak|+|Vdc|=5V
  Resolution: 10mV (10.00V~0.01V)

  <3% ±5 count at 10Hz~1MHz; <10%
  ±5 count at 1MHz~15MHz
  Vpp, Vrms, dBm
  DC Offset   -5V ~ 5V (into 50 Ohms); Resolution 10mV
  DC Offset
  <3% ±3 count at amplitude min.
  80%: 20%:80% to 1MHz; Resolution 1%
  <1% ~ 1MHz at 50% duty
  Display   Dual Display for Frequency 6 digits and
  Amplitude 4 digits
  Sine Wave

  < 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

  ±1% of period + 3ns

  Rise or
  Fall Time

  < 18nS

  SYNC Output
  Impedance   50 Ohms ±10%
  Level    > 1Vpp open circuit
  Modulation Characteri stics
  Types   AM, FM, Sweep, Trigger(int/ext),
  Gate or Burst (implement by trigger type)
  Waveform   Sine, square, triangle, ramp or Variable
  Symmetry Pulse
  10mHz~10kHz in 3 Frequency Range
  (auto switch)
  5% ±1 count
  10.0kHz~0.1kHz(100Hz); 99Hz~1Hz (0.1Hz);
  Symmetry   90%: 10%:90%; Resolution: 1%
  ±1 count (< ±1%)
  Output Level   >1Vp-p into 10K Ohms load
  Sine Wave
  <1% from 10Hz to 10kHz
  Amplitude Modulation
  Depth   0~100%
  0.01Hz~10kHz(INT) DC~1MHz(EXT)
  Carries -3dB
  <100Hz to >5MHz
  <10Vp-p for 100% modulation
  Frequency Modulation
  Deviation   0 ~ ±5%
  0.01Hz~10kHz(INT) DC~50kHz(EXT)
  < 5Vpp for 15% deviation
  Sweep Characteristics
  Sweep Range

  15MHz~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)
  Rate   0.01Hz~10kHz
  90%:10%:90%; Resolution: 1%
  Mode   Linear / Log sweep
  Sweep output   0 to -5Vp-p into 10K Ohms
  Trigger Characteristics
  Phase Range
  80° ~ 90°
  Rate   0.1Hz~10kHz
  0.1Hz~1MHz (Useful to 10MHz)
  Ext TRIG
  DC to 1MHz,TTL compatible input level
  Gate or Burst   Implement by trigger setting
  Range   100:1(0 to 10V±1)
  Input Linearity   <0.5% to 1MHz, <5% to 10MHz
  10k Ohms
  GCV Output
   To set the voltage between 0.2V to 2V as per different
  Frequency Counter
  INT/EXT   Switch Selector
  Range   5Hz ~ 150MHz EXT
  Accuracy   Time base accuracy ±1count
  Time Base   ±20ppm (23℃ ±5 ℃) after 30 minutes
  warm up
  Resolution   The maximum resolution is 100nHz
  for 1Hz and 0.1Hz for 100MHz
  1M Ohm // 150pF
  Sensitivity   <35Vrms(5~100MHz);
  Save/Recall   10 Sets of front panel setting memories
  Power Source
  AC 115V/230V±15%, 50/60Hz
  Power cord × 1, Instruction manual x 1, GTL-101 x 2
  Dimensions and Weight
  290(W) × 142(H) × 460(D) mm, Approx. 5 kg
Price $799.00