| 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 |
