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Nanjing Longsweet Import&Export Co., Ltd
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Nanjing Longsweet Import&Export Co., Ltd Headquarters
Company Information
We are Nanjing Longsweet Import&Export Co., Ltd based in Nanjing , China. We are member of Tradekey.com since April, 2010. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in multi-function counter. Please find our product details below:
DDS high frequency signal generator
Please get on the website, http://*****/ for more and contact us by e-mail for details.
Output frequency range:
100μHz-80MHz(SP1461 I)
100μHz-110MHz(SP1461 II)
100μHz-150MHz(SP1461 III)
100μHz-200MHz(SP1461 IV)
100μHz-300MHz(SP1461 V)
Frequency resolution: 1μHz (if the frequency is higher than 80MHz 1Hz)
Frequency stability: less or equal to+/-5*10-6
Power range:-127Bm-+13dBm
Power resolution:0.1dB
Attenuator accuracy:+/-2dB
Output impedance:50Ω, VSWR less than 1.5
Harmonics:less than -30dBc(output: less or equal to+4dBm)
Subharmonics: less than -40dBc(output: less or equal to+4dBm)
Nonharmonic: less than -40dBc(output: less or equal to +4dBm, offset carrier more than or equal to 5kHz)
Residual FM:100Hz(0.3-3kHz, rms)
Amolitude modulation
Range:0-120%(frequency: less or equal to 80MHz output level: less or equal to +4dBm)
0-80%(frequency is more than 80MHz, output level: less or equal to +4dBm)
Resolution:1%
Accuracy:+/-7% set value+/-1.5%
Rates:inherent regulation rate100mHz-10kHz(adjustable)
external regulation rate20Hz-10kHz
Distortion:less than 2%
Frequency modulation:
Peak deviation:0-100kHz
Resolution:100Hz
Accuracy:+/-5% set value+/-50Hz
Rates: inherentregulation rate1kHz or 400Hz
Distortion: less than 2%
Modulation source
Inherent modulation output:frequency:100mHz-10kHz
amplitude:5Vpp+/-2%(only AM)
External modulation output;amplitude:5Vpp(only AM)
Fsk modulation:
100μHz-80MHz (Fsk speed is less than 10kHz)
80.000.001MHz-120MHz(Fsk speed is less than 2kHz)
120.000.001MHz-300MHz(Fsk speed is less than 2kHz)
200.000.001-300MHz(FSK speed is less than 2kHz)
Sweep rate:1ms-800s
FM stereo: 80MHz-115MHz(option)
Separation: more than or equal to 30dB
Pilot frequency:19kHz+/-2Hz
Pulse modulation(option)
On/off ratio:type A: more than 45dB;typeB: more than 65dB
PSK modulation:fc less than or equal to 80MHz
Burst: fc less or equal to 80MHz
Size:255mm*100mm*370mm
Weight:4kg
RS-232 interface, optionGPIB interface, USB interface
Highly visible VFD, using number keys
DDS modulation
Stereo FM option
SMT craft
DDS function arbitrary generator counter
Please get on the website, http://*****/ and contact us by e-mail for details.
SPF05/10/20/40/80/120
output frequency range:
1μHz-5MHz(SPF05)
1μHz-10MHz(SPF10)
1μHz-20MHz(SPF20)
1μHz-40MHz(SPF40)
1μHz-80MHz(SPF80)
1μHz-120MH(SPF120)
(output waves: sine and square and sine only when the frequency is above 40MHz)
1μHz-100kHz( triangle, sawtooth, and pulse wave and other forms of waves)
output amplitude range:
1mVp-p--10Vp-p (50Ωload) (f more than 40MHz)
2mVp-p--20Vp--p(1MΩload) f less than or equal to 40MHz)
1mVp-p--2Vp-p(50Ωload0 (f more than 40MHz)(SPF80)
2mVp-p--4Vp-p(1MΩload) (f more than 40MHz)(SPF80)
100μVp-p--3Vp-p(50Ωload)(f more than 40MHz)(SPF120)
200μVp-p--6Vp-p(1MΩload)(f more than 40MHz)(SPF120)
output waveforms:sine wave, square wave, pulse wave, triangle wave, ramp, ladder, TTL pulse wave, straight wave, step wave, rhythm wave, noise wave etc in all 30 kinds of wave, and various modulation, AM, FM, FSK, ASK, PSK.
wave length:8-1600
wave resolution:12bits
sample rate: 200Msa/s(SPF05-SPF80)
300Msa/s (SPF120)
harmonic distortion of sine wave:-50dBC
distortion of sine wave: less than or equal to 0.1%
rise/fall time of square: less than or equal to 15ns(20MHz-120MHz)
less than or equal to 25ns(5MHz-10MHz)
duty factor of pulse wave:0.1%-99%
frequency resolution: 1μHz
frequency accuracy: better than +/5*10-6
Maximum amplitude resolution: 1μVp-p
Amplitude error: less than 1%+0.2mV
Amplitude flatness: +/-3%
Offset range: +/-(10mV-10V)
AM modulation depth: 1%-120% can be set
Phase range:0.1-360.0 degree
Phase resolution: 0.1 degree
40MHz-120MHz: (SPF120)
Output amplitude level: +13dBm
Amplitude flatness:+/-1.0dBm
Amplitude range: 0- -76dBm
Amplitude resolution: -0.1dBm
Arbitrary wave module (configurate):
Frequency range: 1 μHz-100kHz
Wave length: 8-16000 point
Resolution: 10bits
Counter:
Frequency measurement range: 1Hz-100MHz
Counting capacity: less than or equal to 4.29*109
Time base:
Frequency: 10MHz
Stability: better than +/-1*10-6 per day
Power output module:
Max power output: 8w
CH B output :
Frequency(100μHz-20kHz)
Sine phase adjustment combine with CH A
DDS frequency sweeper
Please get on the website, http://*****/ and contact us by e-mail for details.
Frequency range:
20Hz-60MHz/120MHz
Frequency accuracy: less than +/-1 ppm
Maximum frequency resolution: 1μHz
Sweep wide:20Hz-60MHz/120MHz or dot frequency (sweep wide 0)
Output level:+13dBm- -87dBm
Output impedance:50Ω/75Ω
Output level resolution:0.1dB (after RF calibration)
Phase noise: less than -120dBc/Hz(carrier frequency offset 20kHz)
Log: 0.1dB/div-10dB/div
Line;1mV-5V
AM resolution: 0.1dB
Sweep time; automatic, manual (50ms-10s)
Free cursor: 5 frequency can be set
Display range: 80dB
Dynamic range:70dB
Input impedance: 50Ω/75Ω/1MΩ selectable
Display plat: 6.4" color LCD screen
Phase measurement(optional component)
Phase range: -180 degree -+180 degree
Phase error:less than or equal to 1 degree
Size: 340mm*170*360
Weight:6kg
Apply direct digital synthesis (DDS) technology, high performance CPU, and embeded system
Inner demodulation, display swept magnitude over the selected frequency range
Sweep frequency and point frequency output
Display the frequency, magnitude of the cursor point at the same time
6.4" TFT color LCD, high definition
Menu displayed in both Chinese and English
5 individual markers can be set and dislayed
RS-232 interface, USB interface, VGA interface
GP-IB(IEEE-488)INTERFACE, USB interface and print interface are optional
Waveform save, waveform analyze
Peak value searching, max valumin value searching
Reference line searching, reference peak value, reference valley value searching
-3dB bandwidth measurement
Q value measurement
DDS function arbitrary generator counter
output frequency range:
1μHz-5MHz(SPF05)
1μHz-10MHz(SPF10)
1μHz-20MHz(SPF20)
1μHz-40MHz(SPF40)
1μHz-80MHz(SPF80)
1μHz-120MH(SPF120)
(output waves: sine and square and sine only when the frequency is above 40MHz)
1μHz-100kHz( triangle, sawtooth, and pulse wave and other forms of waves)
output amplitude range:
1mVp-p--10Vp-p (50Ωload) (f more than 40MHz)
2mVp-p--20Vp--p(1MΩload) f less than or equal to 40MHz)
1mVp-p--2Vp-p(50Ωload0 (f more than 40MHz)(SPF80)
2mVp-p--4Vp-p(1MΩload) (f more than 40MHz)(SPF80)
100μVp-p--3Vp-p(50Ωload)(f more than 40MHz)(SPF120)
200μVp-p--6Vp-p(1MΩload)(f more than 40MHz)(SPF120)
output waveforms:sine wave, square wave, pulse wave, triangle wave, ramp, ladder, TTL pulse wave, straight wave, step wave, rhythm wave, noise wave etc in all 30 kinds of wave, and various modulation, AM, FM, FSK, ASK, PSK.
wave length:8-1600
wave resolution:12bits
sample rate: 200Msa/s(SPF05-SPF80)
300Msa/s (SPF120)
harmonic distortion of sine wave:-50dBC
distortion of sine wave: less than or equal to 0.1%
rise/fall time of square: less than or equal to 15ns(20MHz-120MHz)
less than or equal to 25ns(5MHz-10MHz)
duty factor of pulse wave:0.1%-99%
frequency resolution: 1μHz
frequency accuracy: better than +/5*10-6
Maximum amplitude resolution: 1μVp-p
Amplitude error: less than 1%+0.2mV
Amplitude flatness: +/-3%
Offset range: +/-(10mV-10V)
AM modulation depth: 1%-120% can be set
Phase range:0.1-360.0 degree
Phase resolution: 0.1 degree
40MHz-120MHz: (SPF120)
Output amplitude level: +13dBm
Amplitude flatness:+/-1.0dBm
Amplitude range: 0- -76dBm
Amplitude resolution: -0.1dBm
Arbitrary wave module (configurate):
Frequency range: 1 μHz-100kHz
Wave length: 8-16000 point
Resolution: 10bits
Counter:
Frequency measurement range: 1Hz-100MHz
Counting capacity: less than or equal to 4.29*109
Time base:
Frequency: 10MHz
Stability: better than +/-1*10-6 per day
Power output module:
Max power output: 8w
CH B output :
Frequency(100μHz-20kHz)
Sine phase adjustment combine with CH A
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