Tektronix TDS 520B - Page 53

Typical Characteristics
TDS 500B, 600B and TDS 700A Service Manual
1–25
Table 1–15: Typical Characteristics — Signal Acquisition System (Cont.)
Name Description
Single Shot or
Sample mode
(or HiRes mode
on the TDS
500B/700A), Full
Bandwidth se-
lected
TDS 600B:±( (0.20 × sample interval) + (100 ppm × | Reading |) +
(0.05 × W
i
) )
TDS 600B example: at 5 GS/s, 5 ns/div, measuring a 40 ns wide
pulse, accuracy = ±( 40 ps + 4 ps + 5 ps) = ±49 ps.
TDS 500B/700A: ±≥ 0.15 sample interval + (25 ppm × | Reading |) +
t/div/1000
TDS 500B/700A example: at 4 Gs/s, accuracy = 37.5 ps
≥ 100 Averages,
Full Bandwidth
selected.
TDS 500B/700A:
repetitive
TDS 600B: ±( 10 ps + (100 ppm × | Reading |) + (0.25 × W
i
) )
TDS 500B/700A: 20 ps + (25 ppm × | Reading |) + t/div/1000
Cal
cu
late
d
Rise
T
ime
, T
D
S 600B
2
Volts/Div
Setting
620B & 644B Rise Time 680B & 684B Rise Time
10 mV/div – 1
V/div
5 mV/div – 9.95
mV/div
2 mV/div – 4.98
mV/div
1 mV/div – 1.99
mV/div
900 ps
1 ns
1.5 ns
1.8 ns
450 ps
600 ps
750 ps
900 ns
Cal
cu
late
d
Rise
T
ime
, T
D
S 500B/700
A
2
Volts/Div
Setting
520B, 540B, 724A, 744A Rise Time 784A Rise Time
10 mV/div – 1
V/div
5 mV/div – 9.95
mV/div
2 mV/div – 4.98
mV/div
1 mV/div – 1.99
mV/div
800 ps
800 ps
800 ps
890 ps
400 ps
530 ps
600 ns
800 ns
E
ff
e
c
ti
v
e
B
its
— T
D
S 600B
he ha t o the ight gi es the ty i al
Input
Frequency
Effective Bits
T
he
c
ha
r
t
o
n
the
r
ight
gi
v
es
the
ty
p
i
c
al
effective bits for a 9-division p-p sine-wave
input, 50 mV/div, 10 ns/div (5 GS/s), with a
record length of 1000 points:
98 MHz
245 MHz
490 MHz
990 MHz
6.3 bits
6.0 bits
5.5 bits
5.2 bits (TDS 680B & 684B only)