Tektronix 2213, Инструкция по эксплуатации

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Specification—2213 Service
Table 1-1 (cont)
Characteristics Performance Requirements
Supplemental Information
VE R TIC A L DEFLECTION SYSTEM (cont)
Input Characteristics
Resistance 1 M£2 ±2%.a
Capacitance 30 pF ±3 pF.a
Maximum Safe Input Voltage ^
DC Coupled
400 V (dc + peak ac) or
800 V p-p ac to 1 kHz or less.®
AC Coupled 400 V (dc + peak ac) or
800 V p-p ac to 1 kHz or less.®
Common-Mode Rejection Ratio
(CMRR) A t least 10 to 1 at 10 MHz.
Checked at 20 mV per division for
common-mode signals o f 8 divisions or
less, w ith VO LTS/D IV Variable control
adjusted fo r best CMRR at 50 kHz.
TRIGGER SYSTEM
Trigger Sensitivity
AUTO and NORM
0.4 division internal or 50 m V external
to 2 MHz, increasing to 1.5 divisions
internal or 250 mV external at 60 MHz.
External trigger signal from a 50-£2
source driving a 50-£2 coaxial cable
that is terminated in 50
SI at the input
connector.
Will trigger on tv line sync components
in NORM only: > 0.4 division internal
or 50 mV p-p external.
AUTO Lowest Usable Frequency
20 Hz.®
TV FIELD
2.0 divisions o f composite video or
composite sync.®
External Input
Maximum Input Voltage ^
400 V (dc + peak ac) or
800 V p-p ac at 1 kHz or less.®
Input Resistance
1 MSI ±2%,®
Input Capacitance
30 pF ±3 pF.®
AC Coupled
10 Hz or less at lower —3 dB point.®
LEVEL Control Range
(with NORM TRIGGER MODE)
INT
On screen limits.®
EXT and DC
A t least +2 V (4 V p-p).®
Perform ance Requirement not checked in Service Manual.
@ 1-3