Digital Function Counter Function Generator With Input Impedance 500kΩ/30pF

Features:

1.Output amplitude (3-digit LED) and output frequency (5-digit LED) can be displayed simultaneously.

2.Can be used as a frequency meter (50MHz and other precision)

3.Multiple output modes: (spot frequency, FM, internal and external frequency sweep)

4.Full-featured output protection

5.High reliability MTBF>10000 hours

6.DC level adjustment function

7.Adopt electronic switch

Technical Date:

Technical Date

Type

Output frequency       

0.1Hz~20MHz

0.1Hz~3MHz

Output Impedance

Function, Spot Frequency Output 50Ω

TTL/CMOS output 600Ω

 Output Signal Waveform

Function output: sine wave, triangle wave, square wave (symmetric or asymmetric output)

TTL/CMOS output: pulse wave (CMOS output f≤100kHz)

 

Output signal amplitude 

 

Function Output (1MΩ)

No attenuation (1Vp-p~20Vp-p)±10%, continuously adjustable

Attenuation 20dB: (0.1Vp-p~2Vp-p)±10%, continuously adjustable

Attenuation 40dB: (10mVp-p ~ 200mVp-p) ±10%, continuously adjustable

Attenuation 60dB: (1mVp-p~20mVp-p)±10%, continuously adjustable

TTL output (load resistance ≥600Ω) “0” level: ≤0.8V, “1” level: ≥1.8V

CMOS output (load resistance ≥2kΩ) “0” level: ≤0.8V, “1” level: 5V~15V continuously adjustable

Function output signal DC level adjustment range

Off or (-10V~+10V) ±10% (1MΩ load) “Off” position when the output signal carries a DC level of: <0V ±0.1V load resistance of 50Ω, the adjustment range of (-5V~+5V) ± 10%

Function output signal attenuation

0dB/20dB/40dB/60dB (0dB attenuation means no attenuation)

Output Signal Type

Single-frequency signals, swept signals, FM signals (externally controlled)

Function output asymmetry (SYM) adjustment range

Off or 20%~80% “Off” position when the output waveform is symmetrical waveform, the error ≤ 2%

Scanning method 

Internal scanning method: linear/logarithmic scanning method

External Scanning Method: Determined by VCF Input Signal

Internal Scanning Characteristics

Scanning time: 10ms~5s ±10%

Scanning width: ≥1 frequency range

 External Scanning Characteristics

Input impedance: about 500kΩ

Input signal amplitude: 0V~+3V

Input signal period: 10ms~5s

 

 

Output Signal Characteristics

 

 

Sine wave distortion: < 1%

Triangular wave linearity: >99% (10% to 90% region of output amplitude)

Pulse wave up (down) rise time: ≤20ns (10% to 90% of output amplitude)  

Pulse wave up (down) rise time: ≤30ns (10% to 90% of output amplitude)

Pulse wave, rising and falling edge overshoot: ≤5% V0 (50Ω load)

Output signal frequency stability 

±0.1%/min

 

 

Amplitude display

 

 

 

Display digits: three (automatic positioning of the decimal point)

Display unit: Vp-p or mVp-p

Display error (f ≤ 15MHz) V0 ± 20% ± 1 word (peak-to-peak amplitude value of V0 output signal), (V0 reading should be multiplied by 1/2 when load resistance is 50Ω)

Resolution: 0.1Vp-p (attenuation 0dB), 10mVp-p (attenuation 20dB),1mVp-p (attenuation 40dB),0.1mVp-p (attenuation 60dB)

Frequency display

Display range: 0.1Hz~20000kHz

Effective number of display digits: five digits (four digits below 1k grade)

Point frequency output

Frequency: 100Hz±2Hz; Waveform: Sine; Amplitude: 2Vp-p

Single pulse output (TTL level)

“0” level ≤ 0.8V; ‘1’ level ≥ 1.8V (load resistance ≥ 600Ω) indicator light for the ‘1’ level, the light is off for the “0” level.

Power output

 

Maximum output power: 5W

Output waveform: sine wave

Load resistance: ≥8Ω

Output frequency range: 0.1Hz~50kHz, f≥50kHz automatic shutdown

Frequency measurement range

0.1Hz~50MHz

Input Voltage Range (0dB attenuation)

150mV~2V 0.1Hz1Hz 

30mV2V 1Hz50MHz

Input Impedance

500kΩ/30pF

Waveform Adaptation

Sine wave, square wave

Filter Cutoff Frequency

Approx. 100 kHz (in-band attenuation, meets minimum input voltage requirements)

Measuring time

0.3s (fi>3Hz)

Single measured signal period (fi≤3Hz)

Display Mode

Display range: 0.100Hz~50000kHz

Display effective number of digits: five

Measurement error

Time base error ± Trigger error (Trigger error: If the signal-to-noise ratio of the measured signal is better than 40dB during single-cycle measurement, the trigger error is ≤0.3%)

Time base

Nominal frequency: 10MHz

Frequency stability: ± 5 × 10-5/d

Overall dimensions 

260mm  × 90mm × 300mm

Weights

3kg