TFG8000 SERIES
CE

• Frequency range: TFG-8003: 0.3Hz~3MHz/TFG-8005: 0.5Hz~5MHz
• Output waveform: Sine, Triangle, Square, Ramp, TTL, CMOS
• External Voltage Controlled Frequency (VCF) function
• Positive and Negative period adjustable
• Variable DC Offset control
• Two-step (-20dBx2) and variable attenuator
• Built-in/External AM/FM, GCV (TFG-8003 only)
• Built-in 6 digit Counter with INT/EXT function, test frequency range up to 100MHz

• 頻率範圍： 0.3Hz~3MHz/0.5Hz~5MHz
• 輸出波形：正弦波、三角波、方波、 Ramp 、 TTL 和 CMOS 輸出
• 外部電壓控制頻率功能（ VCF ）
• 正負工作週期可調
• 可調式 DC offset 電位
• 二段固定誤衰減器（ -20dB × 2 ）以及可調式衰減器
• 內置 / 外接 AM/FM 調製, GCV (僅TFG-8003)
• 內建 6 位高解析度計頻器，可測頻率範圍達 100MHz

Specifications
Main
Frequency range: 0.3Hz~3MHz/0.5Hz~5MHz (7 steps)
Amplitude: ≥ 20Vpp (TFG-8003), ≥ 10Vpp (TFG-8005) (50Ω load)
Impedance: 50 Ω± 10%
Attenuator: -20dB ± 1dB
DC offset: -5V~ 5V (50 Ω load)
Duty control: 80%:20%:80% to 1MHz continuously variable
Display: 6digits LED display

Sine wave
Distortion: ≤1%, 0.3Hz~200KHz THD ≤ 35dB
Flatness: <0.3dB,0.3Hz~300KHz; <0.5dB,300KHz~3MHz/5MHz

Triangle wave
Linearity: ≥98%, 0.3Hz~100KHz; ≥ 5%,100KHz~3MHz/5MHz

Square wave
Symmetry: ±2%, 0.3Hz~100KHz
Rise/Fall time: ≤80nS (FG-8003) , ≤100Ns (TFG-8005) maximum output (50Ω load)

CMOS output
Level: 4Vpp≥ ±1Vpp ~14.5Vpp ± 0.5Vpp adjustable
Rise/Fall time: ≤120nS

TTL output
Level: ≥3Vpp
Fan out: 20TTL load
Rise/Fall time: ≤25nS

VCF output
Input voltage: 0V~10V ± 1V(100:1)
Input impedance: 10KΩ± 10%

GCV (TFG-8003 only)
Input voltage: set the voltage between 0V~2V according to different frequencies

Sweep Operation (TFG-8003 only)
Sweep/manual: switch selectable
Sweep rate: 100:1 ration max. and adjustable
Sweep time: 0.5s~30s adjustable
Sweep mode: Lin, Log switch selectable

Amplitude Modulation AM (TFG-8003 only)
Depth: 0~100%
Modulation frequency: 400Hz ((Internal); DC~1MHz (External)
Carrier BW: 100Hz~3MHz
External sensitivity: ≤10Vpp for 10% modulation

Frequency Modulation FM (TFG-8003 only)
Deviation: 0~±5%
Modulation frequency: 400Hz (Internal); DC~20kHz (External)
External sensitivity: ≤10Vpp for 10% modulation

Frequency Counter
INT/EXT: switch selector
Range: 0.3Hz~3MHz /0.5Hz~5MHz (5Hz~100MHz EXT)
Accuracy: Time base accuracy±1 count
Time base: ± 20ppm (23 ℃± 5 ℃ ) after 30minutes warm up
Resolution: max.10nHz at 1Hz; 0.1Hz at 100MHz
Input impedance: 1MΩ/150pF
Sensitivity: 100mVrms (5Hz~100MHz)