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特点
·r3765 40mhz~3.8ghz
·测量速度：0.15ms/测点
·1hz步进
·动态范围：100db
·内置程控器
·3个测试端口
技术指标
| number of measurement channels | modelsa/b:2 channels/4 traces modelc:4 channels/8 traces |
| measurementsettings | |
| r3765ah/ r3767ah | a/r,b/r,a/b,a,b |
| r3765bh/ r3767bh | transmission,reflection |
| r3765ch/r3767ch | s11,s12,s21,s22,s11&s21，s22—s12 |
| display formats | log/lin amplitude,phase,groupdelay,real and imaginary part,|z|,r,x,|y|,g,b |
| smith chart | marker display for log/lin amplitude,phase,realand imaginary part,r jx,g jb, |
| polar coordinates | markerdisplay for log/lin amplitude,phase,real and imaginary part |
| signalcharacteristics | |
| frequency range,resolution | 40mhzto 3.8(8)ghz,1hz |
| with option20 | up to 20mhz |
| accuracy(25±5℃) | 0.01db |
| accuracy(50mhz,25±5℃) | 0.5db |
| frequency response(25±5℃) | 2db(vpp) |
| impedance | 50ω |
| signa purity | |
| harmonic distortion | <-20dbc(40mhz to 3.8ghz,max.output power) |
| nonharmonic distortion | <-25dbc(40mhzto 3.8ghz,max.output power) |
| phasenoise (10khz offset,1khz rbw) | (-85dbc 20log(f/40mhz))dbc |
| sweep characteristics | |
| parameters | frequency,level |
| range | full frequencyrange or full level range depending on model |
| sweep mode | linear frequency or level sweep;user-defined |
| sweep time | 0.15ms/testpoint with normalization 0.25ms/testpoint with 2-port calibra-tion |
| testpoints | 3,6,11,21,51,101,201,301,601,801,1201 |
| trigger | continuous,single,external |
| receiver characteristics | |
| input | n connector,50ω |
| maximum input level | 0dbm(model a/b) 15dbm(model c) |
| noise level | withmaximum input signal -90dbc at rbw=3khz -100dbc at rbw=10khz |
| resolution bandwidth | 10hzto 10khz in 1 to 3steps |
| input crosstalk | |
| r3765(<3.8ghz) | -90db |
| model c(2.6 to 3.8ghz) | -85db |
| directivity | |
| <2.6ghz | -30db |
| <3.8ghz | -26db |
| <8ghz | -22db |
| amplitudemeasurement | |
| resolution | 0.001db |
| accuracy | |
| -10dbm,50mhz,25±5℃ | ±0.5db |
| amplitude response | max.inputlevel-20db |
| -10 to -60dbm | ±0.05db |
| phase measurement | ±180℃ |
| resolution | 0.01℃ |
| frequency response | ±5℃ |
| -10to -50db | ±0.3℃ |
| group-delaymeasurement | 1 ps to 250s |
| resolution | 1ps |
| display | see overviewof models |
| markers | upto 10 independent markers delta marker with the option of showing all markers in a list |
| automatic searchfunction | min,max,bandwidth,etc. swr,filter parameters |
| data transfer | |
| built-inbasic controller | provided as standard,high-speed evaluationfunctions for essential trace points through direct data access;con-trol of externaldevices via iec/ieee bus bus |
| disk drive | 3.5,720kbyrt(dd),1.44mbyte(hd) |
| external interfaces | 15-pinvga iec bus (ieee 488.2,scpi) rs-232(for basic controller only) |
| paraller interface | 24bit,2*ttl 8-bitoutput,2*4-bit input/output for basic applications; ps2 connector for us keyboard |
| external reference frequency | 1,2,5,10mhz,>0dbm |
