GFG-8255A (5 MHz)
Function Generator
FEATURESˇG
1. Frequency RangeˇG0.5Hz ~ 5MHz
2. WaveformsˇGSine, Triangle, Square, Ramp, TTL and CMOS Output
3. External Voltage Controlled Frequency (VCF) Function
4. Duty Cycle Controlled with Signal Inversion Capability
5. Variable DC Offset Control
6. Two-Step (-20dB x 2) and Variable Attenuator
7. Built-in 6 Digit Counter with INT./EXT. Function up to 150MHz / high resolution
8. INT./EXT. AM/FM Modulation
9. LIN/LOG Sweep Mode
10. GCV Output for ynchronization
Main
Frequency Range 0.5Hz to 5 MHz (7 ranges)
Amplitude >10Vp-p (into 50Ł[ load)
Impedance 50Ł[ +10%
Attenuator -20dB+1dB x 2
DC Offset 5V (into 50Ł[ 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 500kHzˇF <1dB, below 5MHz
Triangle Wave
Linear >98%, 0.5Hz ~ 100kHzˇF >95%, 100kHz ~ 5MHz
Square Wave
Symmetry +2%, 1Hz ~ 100kHz
Rise or Fall Time < 50nS at maximum output (into 50Ł[ 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 ˇÓ1V(100 : 1)
Input Impedance 10kŁ[ ˇÓ10%
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 ˇÓ1 Count
Timebase ˇÓ20ppm (23˘XCˇÓ5˘XC) after 30 minutes warm up
Resolution The maximum resolution is 100nHz for 1Hz and 1Hz for 100MHz
Input Impedance 1MŁ[//150pF
Sensitivity <35mVrms (5Hz ~ 100MHz)ˇF< 45mVrms (100MHz ~ 150MHz)
Power Source AC 115V/230VˇÓ15%, 50/60Hz
Accessories: Power cord ˇŃ 1, Instruction manual ˇŃ 1, GTL-101 ˇŃ 2
Dimensions & Weight 251(W) ˇŃ 91(H) ˇŃ 291(D) mm, Approx. 2.4kg