Instruction manual
Introduction and Specifications
1-6
1720/1721
Table 1- 3: XY Mode
Characteri sti c Perform ance requirement Supplemental information
Step
number
Input DC Coupled diff erent ial inputs through
rear-panel REMOTE connector.
Input ampl itude 2to9V
p-- p
Adjustable full scale def lection 0 dBm
to +12 dBm for 600Ω system. Factory
set to 0 dBm. Specification verified
during cal ibration.
Maximum input voltage ±15 V peak signal plus DC.
Frequency response
High gain mode
DC to greater than 500 kHz.
DC to greater than 100 kHz.
3 dB point.
3 dB point. Not a differential input,
minus inputs must be grounded.
14
14
X and Y input phase matching Less than a trace width of separati on
at 20 kHz.
Single ended. Phase matching may be
improved, above 20 kHz, by adjusting
C484.
13
Table 1- 4: CRT Display
Characteri sti c Perform ance requirement Supplemental information
Step
number
CRT viewing area 80 X 100 mm.
Accelerating Potent ial 15.75 kV
Trace rotation range Greater than ±1° from horiz ontal. Total adjustment range is typically 8°. 12
Graticul e Internal vector, variable scale illumina-
tion.
Table 1- 5: Power source
Characteri sti c Perform ance requirement Supplemental information
Step
number
Mains voltage ranges 90 -- 250 V. Continuous range from 90 to 250 VAC. 2
Mains frequency range 48 -- 66 Hz.
Power consumpt ion 0.7 A maximum, 0.35 A (21.4 Watts)
typical.