FUNCTION GENERATOR-SERIES
INSTRUCTION MANUAL
7
3. SPECIFICATION
GFG-
8215A/8216A/8217A/8219A
GFG-
8250A/8255A
1.Main
Frequency Range
0.3Hz～3MHz(7 Range) 0.5Hz～5MHz(7 Range)
Amplitude
≧10Vpp(into 50Ωload) ≧10Vpp(into 50Ωload)
Impedance
50Ω±10％ 50Ω±10％
Attenuator
-20dB±1dB×2 -20dB±1dB×2
DC Offset
＜-5V～＞5V
(into 50Ωload)
＜-5V～＞5V
(into 50Ωload)
Duty Control
80%:20%:80% to 1MHz
Continued variable
80%:20%:80% to 1MHz
Continued variable
Display
6 digits LED display
*GFG-8215A does not have
display.
6 digits LED display
Range Accuracy
±5%+1Hz(at 3.0 position)
*only for GFG-8215A.
----------------------------
2.Sine Wave
Distortion
≦1％,0.3Hz～200kHz ≦1％,0.5Hz～100kHz
Flatness
＜0.3dB,0.3Hz～300kHz
＜0.5dB,300kHz～3MHz
≦0.3dB,below 500kHz
≦1dB,below 5MHz
3.Triangle Wave
Linear
≧98％,0.3Hz～100kHz
≧95％,100kHz～3MHz
≧98％,0.5Hz～100kHz
≧95％,100kHz～5MHz
4.Square Wave
Symmetry
±2％,0.3Hz～100kHz ±2％,1Hz～100kHz
Rise or Fall Time
≦100ns at maximum output.
(into 50Ωload)
≦50ns at maximum output
(into 50Ωload)
FUNCTION GENERATOR-SERIES
INSTRUCTION MANUAL
8
GFG-
8215A/8216A/8217A/8219A
GFG-
8250A/8255A
5.CMOS Output
Level
4Vpp±1Vpp～14.5Vpp
±0.5Vpp adjustable
4Vpp±1Vpp～14.5Vpp
±0.5Vpp adjustable
Rise or Fall Time
≦120ns ≦120ns
6.TTL Output
Level
≧3Vpp ≧3Vpp
Fan Out 20 TTL load 20 TTL load
Rise or Fall Time
≦25ns ≦25ns
7.VCF
Input voltage
0V～10V±1V(100:1) 0V～10V±1V(100:1)
Input Impedance
10kΩ±10％ 10kΩ±10％
8.GCV(for GFG-8219A/8255A only)
Output voltage
To set the voltage between
0V～2V as per different
frequency.
To set the voltage between
0V～2V as per different
frequency.
9.Sweep Operation(for GFG-8217A/8219A/8255A only)
Sweep/Manual Switch selector Switch selector
Sweep/Rate 100:1 ratio max. and adjustable 100:1 ratio max. and adjustable
Sweep/Time
0.5Sec～30Sec adjustable 0.5Sec～30Sec adjustable
Sweep/Mode Lin./Log. switch selector Lin./Log. switch selector
10.Amplitude Modulation(for GFG-8219A/8255A only)
Depth
0～100％ 0～100％
MOD.Freq.
400Hz(INT),DC～1MHz(EXT) 400Hz(INT),DC～1MHz(EXT)
Carrier BW
100Hz～3MHz(-3dB) 100Hz～5MHz(-3dB)
EXT Sensitivity
≦10Vpp for 100％ modulation ≦10Vpp for 100％ modulation
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