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Model 5304A
General Information
Table 91)1-1. 5304 A Timer/Counter Specifications
I N P U T C H A N N E L S A A N I ) B
R a n g e : DC coupled; 0 to 10 MHz.
AC coupled; 100 Hz to 10 MHz.
S e n s i t i v i t y (min):
25 mV rms sine wave
to I MHz.
50 mV rms sine wave to 10
MHz.
150 mV p-p pulse at minimum
pulse width, 40 nsec.
Sensitivity can be
decreased
by
10
or
100
times
using
ATTENUATOR switch.
I m p e d a n c e : 1 Mil shunted by less than 30 pK
O v e r l o a d P r o t e c t i o n :
250 V rms on Xl()
and
XI00 attenuator settings.
On
XI
attenuator setting 120 V rms up to 1 kHz,
decreasing to 10 V rms at 10 MHz.
T r i g g e r
Level:
PRESET position centers
triggering about 0 volts ±25 mV, or con-
tinuously variable over the range of 1 V to
+
1 V times attenuator settings.
S l o p e :
Independent selection of triggering
on positive or negative slope.
C h a n n e l I n p u t s : Common or separate lines.
G a t e O u t p u t :
Rear panel BNC. TTL low
level while gate is open.
May be used
to intensity modulate an HP oscilloscope.
T I M E I N T E R V A L
R a n g e : 500 nsec to 10 • sec.
I n p u t :
Channels A and B; can be common
or separate
O v e r l o a d :
Maximum recommended levels for
pulse signals is 2 V p-p.
Clipping occurs
at 3 V p-p.
R e s o l u t i o n :
100 nsec to 10 ms in decade
steps.
A c c u r a c y :
+1 count + time base accuracy
+ trigger error.*
D i s p l a y : fjs, ms, or s (seconds) with positioned
decimal point.
T i m e I n t e r v a l H o l d o f f :
Front panel con-
centric knob which inserts variable delay
of approximately 100 /jsec to 100 msec be-
tween START (Channel A) and enabling
STOP (Channel B); may be disabled.
Elec-
trical inputs during delay time are ignored.
Delay may be digitally measured in CHECK
position.
Delay Output:
rear panel BNC.
TTL low level during delay time.
May be
used
to
intensity
modulate
an
HP
oscilloscope.
P E R I O D A V E R A G E
R a n g e : 10 Hz to 1 MHz.
I n p u t : Channel A.
P e r i o d A v e r a g e d :
1 to 10' automatically
selected for maximum resolution.
F r e q u e n c y C o u n t e d : 10 MHz.
A c c u r a c y :
+
1 count + time base accuracy
+ trigger error.**
D i s p l a y : /JS, ms with positioned decimal point.
F R E Q U E N C Y
R a n g e : 0 to 10 MHz.
I n p u t : Channel A.
G a t e T i m e s :
Manually selected 0.1, 1, or 10
seconds.
AUTO position selects gate time
to fill display for maximum resolution with-
in a 1-second measurement time.
A c c u r a c y : +1 count + time base accuracy.
D i s p l a y :
Hz, kHz, and MHz with positioned
decimal point.
O P E N / C L O S E (Totalizing)
R a n g e : 10 MHz maximum.
I n p u t : Channel A
F u n c t i o n :
Input signal totalized while gate
open. Opening and closing of gate initiated
by front panel pushbutton switch.
G E N E R A L
C h e c k :
Inserts internal 10 MHz reference
frequency into Channels A and B.
Time
Interval Holdoff may be digitally measured
by switching to CHECK and TIME IN
TERVAL positions.
O p e r a t i n g T e m p e r a t u r e : 0° to 50°C.
P o w e r
R e q u i r e m e n t s :
Including
5300A
mainframe, nominally 10 watts.
Minimum
of 3 hours operation (typically 5 hrs) at 20 C
to 30°C operating and charging temperatures.
Weight:
Net, 1 lb (0.9 kg).
Shipping, 314
lbs (1.5 kg).
"For any waveshape, trigger error is less than
±
0.005
Signal Slope (V/ ps) /js
**Trigger error is less than
±0.3% of one
period, i
periods averaged for signal with
40 dB or better signal-to-noise ratio.
91)1-2
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