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Model 5328A
Operation
LEVEL control @,@.
Used in conjunction with ATTEN switch to select voltage at which
triggering occurs. With X1 attenuator, level is variable over +2.5 volts. In X2, +5 volts; in X20,.
+50 volts.
,
SLOPE switch @, @. Selects triggering on either positive or negative slope of input signal.
See 7.
OUTPUT MARKER A @. Inverted channel A schmitt trigger output indicates when channel
A has triggered; 0 to -100 mV level into 50 with less than 20 ns delay.
. ATTEN switch @, @. Selects attenuation of input signal. Signal amplitude is reduced by 2in
X2 and by 20 in X20.
When input amplifier control switch @is in COM
A, channel B
attenuation is still determined by channel B attenuation switch.
. OUTPUT MARKER T.I. AB @. Output is high during the time interval measured by the
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0 to -50 mV level into 500 with less than 20 ns delay.
When input amplifier
control switch @is in COM
A, channel B coupling is determined by the setting of the
channel A coupling switch.
. Channel inputs @, @®. Input channels A and B.
. Trigger lights @, @. Lights blinks when its channel is triggering. Light is OFF when input
signal is below the trigger level. Light is ON when input signal is above trigger level.
. See 6.
. See 14.
. Delay switch @.
Delay mode is activated by inner concentric knob on channel A LEVEL
control.
Red LED @indicates, when lighted, that delay is active. To activate, turn knob
clockwise out of detent position. The delay disables the input from triggering for periods of
time from 20 us to 20 ms.
The amount of delay is measured by placing the FUNCTION
switch @to T.1. AB
and the input amplifier control switch @to CHK.
. Delay mode LED @. LED is ON when delay is active.
. Input amplifier contro! switch @.
a.
CHK.
With FUNCTION
switch in FREQ A, counter should display 100 MHz +1 count.
Checks
operation
of
phase-locked
100
MHz
oscillator,
SAMPLE
RATE@,
RESOLUTION, N @, and RESET
COM A. The signal at A is also applied to channel B for single source time interval
measurement. The B input is disconnected from the input circuitry. Channel B coupling
(but not attenuation) is determined by the channel A setting.
c.
SEP. Allows independent operation of channels A and B.
. See 10.
. See 12.
. Input Impedance switch @. Selects input impedance of 509 for both channels A and B. For
input amplifier control switch @in COM A, impedance is 502 or 500 kQ.
. See 13.
Figure 3-10.
Model 5328A Option 040, Front Panel Operation Summary (Continued)
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