HP 1660CS, User Manual

Page: 301 / 347

Specifications (oscilloscope)
Specifications are valid within
±
10
°
C of auto-calibration temperature,
excluding bandwidth
−
see note 1 for bandwidth specification.
The oscilloscope includes the following specifications:
Bandwidth Bandwidth
(1) (1)
dc to 250 MHz (real time, dc-coupled)
Time interval measurement Time interval measurement
±
[(0.005% X
∆
t)+
accuracy accuracy
(2) (2)
(2 x 10-6 x delay s150 ps]
DC offset accuracy DC offset accuracy
±
(1.0% of channel 2.0% of full scale)
Voltage measurement Voltage measurement
±
[(1.5% of full scale + offset accuracy)
accuracy accuracy
(3) (3)
+ (0.008 x V/div)]
Trigger sensitivity Trigger sensitivity dc to 50 MHz: 0.063 x full scale, dc to 50 MHz: 0.063 x full scale,
50 to 250 MHz: 0.125 x full scale
50 to 250 MHz: 0.125 x full scale
Input R (selectable) Input R (selectable) 1 M
Ω
:
±
1%, 50
Ω
:
±
1%
1. Upper bandwidth reduces by 2.5 MHz for every degree C above 35
°
C.
2. Specification applies to the maximum sampling rate. At lower rates, the specification is:
±
[(0.005% x
∆
t)+(2
x 10
-6
x delay setting) + (0.15 x sample interval)] for bandwidth limited signals (t
r
= 1.4 x sample interval).
Sample interval is defined as
1
sample rate
3. Digitizing level = (#vertical divisions)(
1
2
)(
1
LSB
), where LSB=2
# bits in ADC
Specifications
Specifications (oscilloscope)
11–4