GFG-8215A/8216A/8217A/8219A

GFG-8250A / 8255A

MAIN

Frequency Range

0.3Hz ~ 3MHz (7 Range)

0.5Hz ~ 5MHz (7 Range)

Amplitude

>10Vpp (into 50Ω load)

Impedance

50Ω±10%

Attenuator

-20dB±1dBx2

DC Offset

<-5V ~ >5V (into 50Ω load)

Duty Control

80% ~ 20%, maximum 1MHz (continuously adjustable)

Display

6 digits LED display 
*GFG-8215A does not have a display

Range Accuracy

±5%+1Hz (at 3 positions) *only for GFG-8215A

SINE WAVE

Distortion

< 1%, 0.3Hz ~ 200kHz

< 1%, 0.5Hz ~ 100kHz

THD (Total Harmonic Distortion)

< 35dB, below fundamental in all ranges, from Max to 1/10 level

< 30dB, below fundamental in all ranges, from Max to 1/10 level

Flatness

< 0.3dB, 0.3Hz ~ 300kHz
< 0.5dB, 300kHz ~ 3MHz

< 0.3dB, below 500kHz
< 1dB, below 5MHz

TRIANGLE WAVE

Linear

> 98%, 0.3Hz ~ 100kHz
> 95%, 100kHz ~ 3MHz

> 98%, 0.5Hz ~ 100kHz
> 95%, 100kHz ~ 5MHz

SQUARE WAVE

Symmetry

±2%, 0.3Hz ~ 100kHz

±2%, 1Hz ~ 100kHz

Rise or Fall Time

< 100nS at maximum output (into 50Ω load)

< 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 or Fall Time

< 25nS

VCF (Voltage Controlled Frequency)

Input Voltage

0V ~ 10V±1V (100 : 1)

Input Impedance

10kΩ±10%

GCV (Generator Controlled Voltage) (GFG-8219A/8255A)

Output Voltage

Sets the voltage between 0V ~ 2V according to the frequency

SWEEP OPERATION (GFG-8217A/8219A/8255A)

Sweep Selection

Switch selector

Sweep Rate

Maximum 100 : 1, adjustable

Sweep Time

0.5sec ~ 30sec, adjustable

Sweep Mode

Lin/Log switch selector

AMPLITUDE MODULATION (GFG-8219A/8255A)

Depth

0 ~ 100%

MOD. Frequency

400Hz (INT), DC ~ 1MHz(EXT)

Carrier BW

100Hz ~ 3MHz (-3dB)

100Hz ~ 5MHz (-3dB)

EXT Sensitivity

< 10Vpp for 100% modulation

FREQUENCY MODULATION (GFG-8219A/8255A)

Deviation

0 ~ ±5%

MOD. Frequency

400Hz (INT), DC ~ 20kHz(EXT)

EXT. Sensitivity

< 10Vpp for 10% modulation

FREQUENCY COUNTER (GFG-8216A/8217A/8219A/8250A/8255A)

INT/EXT

Switch selector

Range

0.3Hz ~ 3MHz (5Hz ~ 150MHz EXT)

0.5Hz ~ 5MHz (5Hz ~ 150MHz EXT)

Accuracy

Time base accuracy±1 count

Time Base

±20ppm(23° C ± 5° C)after 30 minutes warm up

Resolution

100nHz for 1Hz, 1Hz for 100MHz

Input Impedance

1MΩ // 150pF

Sensitivity

< 35mVrms (5Hz ~ 100MHz)
< 45mVrms (100MHz ~ 150MHz)

POWER SOURCE

AC115V/230V±15%, 50 / 60Hz