Atec Agilent-8722ES - Manual (Page 24)

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GPIB (remote) programming
Interface
GPIB interface operates to IEEE 488-1978 and IEC
625 standards and IEEE 728-1982 recommended
practices.
Addressing
The GPIB address of the analyzer can be verified
or set from the front panel via the local menu and
can range from 0 to 30 decimal (factory set at 16).
Pass control
Allows the analyzer to request control of the GPIB
(when an active controller is present) whenever it
needs to output to a plotter or printer.
System controller
Allows the analyzer to become a controller on the
GPIB to directly control a plotter or a printer.
Talker/listener
Allows the analyzer to become a GPIB talker/
listener when an external controller is present.
Transfer formats
Binary (internal 48-bit floating point complex
format), ASCII, and 32- or 64-bit IEEE 754 floating
point format.
User-accessible graphics
Using the HP-GL graphics language, vector or text
graphics may be written on the analyzer via GPIB.
Up to 5 kbytes of data can be stored at one time
(4 bytes per vector, 2 bytes per character).
Interface function codes
SH1, AH1, T6, L4, SR1, RL1, PPO, DC1, DT1,
C1, C2, C3, C10, and E2.
Upgrades
Refer to Configuration Guide.
Security
Frequency blank
Blanks all frequency information from display,
including markers; requires FACTORY PRESET
to re-enable.
Reset memory
Writes binary zeros to all non-volatile memory
registers, erasing all instrument state and calibra-
tion data; used with PRESET.
General characteristics
Front panel connectors
•
Connector type 8719/20ET, 8719/20ES: 3.5 mm
precision
8722ET/ES: 2.4 mm precision
• Impedance 50 ohms (nominal)
Rear panel connectors
•
External reference frequency input (EXT REF INPUT)
Frequency: 1, 2, 5, and 10 MHz (±200 Hz at 10 MHz)
Level: –10 dBm to +20 dBm, characteristically
Impedance: 50 ohms
• High-stability frequency reference output (Option 1D5)
Frequency: 10.0000 MHz
Frequency stability (0° C to 55° C): ±0.05 ppm
Daily aging rate (after 30 days): <3
x 10 –9 /day
Yearly aging rate: 0.5 ppm/year
Output: 0 dBm minimum
Nominal output impedance: 50 ohm
• External auxiliary input (AUX INPUT) Input voltage
limits: –10V to +10V
• External AM input (EXT AM) ±1 volt into a 5 k ohm
resistor, 1 kHz maximum, resulting in approxi-
mately 8 dB/volt amplitude modulation.
• External trigger (EXT TRIGGER) Triggers on a nega-
tive TTL transition or contact closure to ground.
• Test sequence output (TEST SEQ) This connector
outputs a TTL signal which can be programmed
by the user in a test sequence to be high or low.
By default, this output provides an end-of-sweep
TTL signal. (For use with part handlers.)
• Limit test output (LIMIT TEST) This connector
outputs a TTL signal of the limit test results.
Pass: TTL high; Fail: TTL low.
• Test port bias input (except Option 085 and ET models)
Maximum voltage: + 30 Vdc
Maximum current (no degradation in RF
specifications): ±200 mA
Maximum current: ±1A
• External monitor: VGA video output This connector
drives external VGA monitors.
System capabilities, continued