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Mode! 5355A
Operation and Programming
SECTION HI
OPERATION AND PROGRAMMING
3-1.
INTRODUCTION
3-2.
This section contains descriptions of operating characteristics and modes, operating
procedures, descriptions of front and rear panel controls and indicators, keyboard test
procedures, and Hewlett-Packard Interface Bus (HP-IB) programming information.
3-3.
The 5355A is a plug-in for the 5345A Electronic Counter. Operating and programming
characteristics of the 5345A must be understood before attempting to operate and program the
5355A. For complete information on the 5345A, refer to the 5345A Operating and Service Manual.
When appropriate, the 5355A programming explanations that follow contain notes on the
interrelated 5345A programming instructions.
3-4.
The 5355A is programmed via the HP-IB. The HP-IB is a carefully defined instrumentation
interface which simplifies the integration of instruments, calculators, and computers into
systems. The HP-IB is Hewlett-Packard's implementation of IEEE Standard 488-1975,
"Standard
Digital Interface for Programmable Instrumentation
3-5.
OPERATING CHARACTERISTICS
3-6.
The following paragraphs describe the operating ranges and modes, AM and FM tolerance
and automatic amplitude discrimination.
3-7.
Operating Ranges
3-8.
The two operating ranges are 0.4 to 1.6 GHz and 1.5 to 40 GHz. Frequencies in the lower
range are measured by use of a prescaler technique while frequencies in the higher range are
measured by use of a harmonic heterodyne down-conversion technique. A separatefront panel
input connector is provided for each range (see
Figure
3-7). Selection of the two ranges is
INPUT
SELECT
provided by the
Qj
key on the front panel. When the
CHANGE
SiGNi
J.NPUT
CHANG5
S5GN
key indicator is lit.
INPUT
SELSCT
the 0.4—1.6 GHz input (BNC) is routed to the prescaler. When the
CHANGE
sign
key indicator is not
lit, the RF HEAD INPUT (multipin connector) is sent to the IF circuits. The multipin connector
input requires the use of the 5356A/B/C Frequency Converter Head. The 5356A covers the
range of 1.5 to 18 GHz, the 5356B covers 1.5 to 26.5 GHz, and the 5356C covers 1.5 to 40 GHz. See
JNPUT
SELECT
Table 1-2.
When the P*
CHANGE
SIGN
LED is illuminated, the 0.4 to 1.6 GHz input (BNC) is connected,
otherwise the RF HEAD INPUT is connected.
3-1
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