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Digital DDS High Frequency Signal Generator 100μHz~80MHz Resolution 1µHz

Overview:

Digital synthesis high frequency standard signal generator series, is the use of direct digital synthesis technology, to achieve 1μHz (fc ≤ 80MHz) and 1Hz (fc > 80MHz) frequency resolution, frequency 100μHz ~ 80MHz, level coverage of up to -127dBm ~ +13dBm, can be equipped with an optional USB interface and GPIB interface, its panel It adopts 3.5″ QVGA colour LCD display, which makes the operation more intuitive and convenient, and is a new generation of high-performance synthetic signal generator.

Features :

■ Using 3.5″ QVGA colour LCD display, conductive key function control, clear readings easy to operate

■ Digital modulation technology

■ A, B road output function

■ 120dB programme-controlled attenuation, to achieve microvolt signal output

■ Automatic level control circuit, effectively ensure the stability of the output amplitude

■ External standard frequency input, to achieve higher frequency accuracy of the whole frequency band

■ Carrier frequency, level, modulation arbitrary storage call

■ SMT process production, high reliability

■ With RS232 interface, optional USB interface and GPIB interface

Parameter :

Name			Technical Specification
Model			Ⅰ
Frequency Characteristics
Frequency Range			100μHz～80MHz
Frequency Resolution			1µHz(fc≤80MHZ) 1Hz(fc>80MHz)
Frequency accuracy			±2.5ppm
Output Power Range			-127dBm～+13dBm
Output Level Resolution			0.1dB
Attenuation Accuracy			±2dB
Output Impedance			50Ω,VSWR<1.5
Spectral purity
harmonic		<-30dBc(Output level≤+4dBm)
Subharmonic		<-40dBc (Output level≤+4dBm)
inharmonic		<-40dBc (Output level≤+4dBm, deviation from carrier frequency ≥5kHz )
frequency modulation
Peak Frequency Offset		fc/2 (Carrier frequency +offset≤80.1MHz, Carrier frequency≤80MHz)
Peak Frequency Offset		0~100kHz (Carrier frequency>80MHz)
Amplitude Modulation		1~120% (Carrier frequency≤80MHz) 1~80% (Carrier frequency＞80MHz)
FSK Modulation		f1 and f2 are set arbitrarily within each frequency band.
PSK modulation		Phase 1 (P1) and Phase 2 (P2) range: 0~360°(Carrier frequency≤80MHz)
Burst		Burst count: 1~10000 cycles (Carrier frequency ≤80MHz)
Frequency Sweep		Scan Rate: 1ms~800s Linear (Carrier frequency≤ 80MHz) 100ms~800s Logarithmic (Carrier frequency≤80MHz) Step Time: 10ms~800s (Carrier frequency>80MHz)
B-channel output plug-in
Output Frequency	Frequency range：100μHz~2MHz
	Minimum frequency resolution：100μHz
	Frequency stability: better than±5×10^-6
Output Amplitude	Amplitude range: 100mVp-p~6Vp-p (high resistance) 50mVp-p~3Vp-p (50Ω)
	Minimum resolution：±0.1mVp-p
	Amplitude error：≤0.5% ±5mVp-p ( F≤100kHz )
	Distortion：≤1% (Output amplitude2Vp-p , f = 1kHz)
Output Impedance	50Ω
Output waveform	Sine, Square, Triangle, Ramp, Pulse
Pulse waveform (or square waveform) rise and fall time	≤500ns
A/B sine signal phase difference range	0.0~360.0
Interface	Standard RS232, optional GPIB, USB interface
Dimension	255mm×100×370mm
Weight	4kg