| Features |
SR785
|
Agilent 35670A
|
|
|
|
|
Frequency range 2 channels
Frequency range 1 channel
|
DC to 102.4 kHz
DC to 102.4 kHz
|
DC to 51.2 kHz
DC to 102.4 kHz
|
|
FFT span
|
Each display may have a different span
|
1 fixed span
|
|
Dynamic range:FFT
Dyanmic range:swept sine
Dynamic range: octave
|
-80 dBfs
145 dB
80 dB
|
-80 dBfs
130 dB
80 dB
|
|
Real-time bandwidth (avg. on, 2 ch)
|
102.4 kHz
|
12.8 kHz
|
|
Meas rate (400 lines, 2ch)
|
>512 avg/s
|
>33 avg/s
|
|
Input range
|
3.16 mVp to 50.11 Vp
|
3.99 mVp to 31.8 Vp
|
|
Input noise level
|
<-160 dBVrms/√Hz
|
<-130 dBVrms/√Hz
|
|
Amplitude accuracy (cross channel)
|
±0.05 dB (DC to 102.4kHz)
|
±0.04 dB (DC to 51.2 kHz)
|
|
Phase accuracy
|
±0.05
|
±0.05
|
|
CMRR (1 kHz)
|
90 dB
|
60 to 75 dB
|
|
Crosstalk
|
<-145 dB
|
<-135 dB
|
|
Harmonic/sub-harmonic distortion
|
-80 dBc (f<30 kHz)
<-74 dBc (f>30 kHz)
|
<-60 dBc (f<30 kHz)
<-40 dBc (f>30 kHz)
|
|
Arb output source
|
included
|
$597 option
|
|
Time/histogram mode
|
included
|
included
|
|
GPIB and RS-232
|
included
|
included
|
|
3.5 inch disk drive
|
included
|
included
|
|
ANSI std. octave analysis
|
included
|
$2,350 option
|
|
Computed order tracking
|
included
|
$2,931 option
|
|
Curve fit / synthesis
|
included
|
$2,350 option
|
|
Swept sine measurement
|
included
|
$1,178 option
|
|
Standard memory
|
8 Mbyte
|
1.2 kbyte
|
|
Optional memory
|
32 Mbyte
|
4 Mbyte or 8 Mbyte
|
|
Printer interface
|
included
|
included
|
|
Instrument price
|
$11,950
|
$19,785
|
|
Total option price
|
$0
|
$8,320
|
|
Total
|
$11,950
|
$28,594
|
