GFG-8255A 5MHz Function Generator
 
 

 

GFG-8255A 5MHz Function Generator
FEATURES：
 
  • Frequency Range：0.5Hz ~ 5MHz
  • Waveforms：Sine, Triangle, Square, Ramp, TTL and  CMOS Output
  • External Voltage Controlled Frequency (VCF) Function
  • Duty Cycle Controlled with Signal Inversion Capability
  • Variable DC Offset Control
  • Two-Step (-20dB x 2) and Variable Attenuator
  • Built-in 6 Digit Counter with INT./EXT. Function up to  150MHz / high resolution
  • INT./EXT. AM/FM Modulation
  • LIN/LOG Sweep Mode
  • GCV Output for synchronization
    SPECIFICATIONS

      Main		  
       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
      Sine Wave  
       Distortion <1%, 0.5Hz ~ 100kHz
       Flatness <0.3dB, below 500kHz； <1dB, below 5MHz
      Triangle Wave  
       Linear >98%, 0.5Hz ~ 100kHz； >95%, 100kHz ~ 5MHz
      Square Wave  
       Symmetry +2%, 1Hz ~ 100kHz
       Rise or Fall Time < 50nS at maximum output (into 50Ω load)
      CMOS Output  
       Level 4Vpp+1Vpp ~ 14.5Vpp+0.5Vpp adjustable
       Rise or Fall Time <120nS
      TTL Output  
       Level >3Vpp
       Fan Out 20 TTL load
       Rise/Fall Time <25nS
      VCF  
       Input Voltage 0V~10V ¡Ó1V(100 : 1)
       Input Impedance 10kΩ ¡Ó10%
      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 0.5sec. ~ 30sec. adjustable
       Sweep/Mode Lin./Log. switch selector
      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 Timebase accuracy ¡Ó1 Count
       Timebase ¡Ó20ppm (23¢XC¡Ó5¢XC) 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)
      Power Source AC 115V/230V¡Ó15%, 50/60Hz
      Accessories Power cord ¡Ñ 1,
Instruction manual ¡Ñ 1,
GTL-101 ¡Ñ 2
      Dimensions & Weight 251(W) ¡Ñ 91(H) ¡Ñ 291(D) mm, Approx. 2.4kg

 

  
 
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