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Model 5344S
General Information
Table 1-1. Model 5344A Specifications
INPUT CHARACTERISTICS
GENERAL
Accuracy: ' 1 count rtime base
error
Resolution: Front panel
pushbuttons select 1 H
2
to 1 MHz
Residual stability: When counter
and source use common timebase
or counter uses external higher
stability timebase <4 x 10 n rms
TYPICAL
Display: 1 i digit LED display,
sectionalized to read GHz, MHz,
kHz, and Hz
Self-check: Selected from front
panel pushbuttons. Measures 75
MHz for resolution chosen
Frequency offset: Selected from
front panel pushbuttons.
Displayed frequency is offset by
entered vaiue to 1 Hz resolution
Sample rate: Variable from less
than 20 ms between
measurements to HOLD which
holds display indefinitely
IF out: Rear panel BNC
connector provides 25 MHz to
125 MHz output of down-
converted microwave signal.
Remote Programming
Interface: HP-IB (Hewlett-
Packard's implementation of IEEE
standard 488)
Functions controlled: All front
panel functions with the except¬
ion of the line switch and 5011 —
lMfl switch are programmable.
Shorthand interface function
codes: SHI, AH1, Tl, L2, SRl,
RL1, PPO, DCl, DTI, CO, El.
5343A Only (5344S Option 043)
Multiply routine: Selected from
front panei pushbuttons.
Measured frequency is multiplied
by any integer up to 99. Then
offset can be added or subtracted
for y = rnx ± b result
Totalize: Input 2 can totalize at
rate up to 520 MHz. Readout on
the fly is controlled by front panel
or HP IB
External trigger: TTL type low
level or contact closure to ground
{>50 us TYPICAL) at rear panel
SMC male connector (A) initiates
measurements when in sweep
mode
Sweep inhibit: TTL type low
level from rear pane! SMC male
connector (B) inhibits sweeper
during counter measurement
when in sweep mode
Sweep mode: Selected from
front panel pushbutton. Allows
interface to appropriate sweeper
(e g. 8350A) for start, stop, and
marker frequency measurements.
Specifications describe the instrument's, warranted performance. TYPICAL or NOMINAL performance characteristics provide useful applications information but are
not warranted.
5342A and 5343A (5344S Option 043)
INPUT 2:
TIME BASE:
Frequency range: 10 Hz to
520 MHz Direct Count
Sensitivity: 501! 10 Hz to 520 MHz
25 mV rms; 1 MU 10 Hz
to 25 MHz 50 mV rms
Impedance: Selectable: i Mfl, <50
pF or 50! 1 NOMINAL
Coupling: ac
Connector: Type BNC female
Maximum input: 50!1 3.5 Vrms
(-*-24 dBm) 5 Vdc fuse protected;
1 Mn 200 Vdc + 5.0 Vms
Crystal frequency: 10 MHz
Stability:
Aging rate: <5 x 10 l0/day after 24-
hour warm-up
Short-term: <1 x 10 10 for 1 s avg.
time
Temperature: <7 x 10 9 over the
range 0°C to 50° C
Line variation: <1 x 10"i0 for 10%
change from nominal
Warm-up: <5 x 10 9 of final value
20 minutes after turn on, at 25°C
Output frequency: 10 MHz,
22.4 V square wave (TTL com¬
patible); 1.5V peak-to-peak into
50! 1 available from rear panel
BNC.
External time base: Requires
10 MHz, 3.0V peak-to-peak (2.4V
peak-to-peak TYPICAL) sine wave
or square wave into 1 k!l via rear
panel BNC connector. Switch
selects either internal or external
time base.
INPUT I:
5342A
5343A (5344S Option 043)
Frequency Range:
500 MHz-IS GHz
500 MHz—26.5 GHz
Sensitivity:
500 MHz-12.4 GHz
12.4 GHz—18.0 GHz
18.0 GHz-26.5 GHz
-25 dBm
-20 dBm
-33 dBm
-28 dBm
-23 dBm
Maximum Input:
*7 dBm
*7 dBm
Dynamic Range:
500 MHz- 12 4 GHz
32 dB
40 dB
12.4 GHz
18.0 GHz
27 dB
35 dB
18.0 GHz -26.5 GHz
30 dB
Damage Level:
■*25 dBm, peak
+25 dBm, peak
Impedance:
50 ohms. NOMINAL
50 ohms, NOMINAL
Connector:
Precision Type N female
APC-3C5 male with collar
(SMA compatible)
SWR:
500 MHz- -10 GHz
■ 2:1 TYPICAL
<2:1 TYPICAL
10 MHz-.18 GHz
<3:1 TYPICAL
<3:1 TYPICAL
18 MHz-26.5 GHz
<3:1 TYPICAL
Coupling:
DC to load, AC to instrument
DC to load, AC to instrument
FM Tolerance: switch selectable
Wide: 50 MHz p-p worst case
Wide: 50 MHz p-p worst case
on rear panel. For modulation
Normal: 20 MHz p-p worst case
Normal: 20 MHz p-p worst case
rates from DC to 10 MHz
Narrow: 6 MHz p-p worst case
AM Tolerance:
Any modulation index provided the minimum signal level is not less
than the sensitivity specification.
_
Modes of Operation:
Automatic: Counter automatically acquires and displays highest level
signal within sensitivity range.
Manual: Center frequency entered to within ±40 MHz (TYPICALS of true
value; t25 MHz (TYPICAL) below 825 MHz
Acquisition
Automatic mode:
Normal FM: 530 ms worst case-
Narrow FM: 200 ms worst case
Time:
Wide FM: 2.4 s worst case
Normal FM: 530 ms worst case
Wide FM: 2.4 s worst case
Manual mode:
80 ms after frequency entered
80 ms after frequency entered
Automatic Amplitude
Discrimination
Automatically measures the largest
6 dB above any signal within
6 dB above any signal within
of all signals present, providing
500 MHz; 20 dB above any signal,
500 MHz; 20 dB above any signal.
that signal is:
500 MHz-18 GHz
500 MHz.26.5 GHz
1-2
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