Inputs – Atec Agilent-8566B User Manual

Page 12

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Fig. 6. Specified average displayed noise level,
2.0 to 22

preselected tuning range

Marker

(frequency and amplitude are read out continuously)

Marker Type

Frequency Accuracy

Normal

same as center frequency accuracy

Delta

same as frequency span accuracy
Amplitude Accuracy

Normal

same as reference level accuracy +
scale fidelity between the reference

level and marker position

Delta

same as frequency response

uncertainty and scale fidelity
between two markers

Sweep Time Accuracy (1

to 1500s full sweep)

200 second sweep time, 10%

200 second sweep time, 30%

Inputs

RF Input

100 Hz to 22

precision type-N

female connector, dc-coupled

Maximum Input Level

ac

Continuous power:

from 50 ohm source

Mixer protected by diode limiter,

100 Hz-2.5
Pulse power: 100 W, 1

pulse width with

50

input attenuation

(

I

0

peak power to input mixer)

100

damage level

Input Attenuator0

to 70

in

steps

SWR (typical)

Tune Frequency

Input

100Hzto

2

to

5.8

to

Attenuation

2.5

5.8

22

1.2

1.5

1.9

0 dB*

2.3

3.0

3.0

‘when tuned to within

MHz of signal

IF Input

Maximum Input Level

ac

+10

continuous power from

50

ohm source

dc

20 V with rise time of 1

External Sweep Trigger Input (rear panel) Must be

2.4 V (5 V max), 1 kohm nominal input impedance.

External Frequency Reference Input

Must equal

5 MHz 25 Hz or

MHz

Hz, 0 to

50 ohm nominal input impedance. Analyzer performance
will be degraded unless frequency reference phase noise
and spurious signals are

40

single sideband

(1 Hz) referred to 10 MHz at a 100 Hz to 10

offset.

Quasi-Peak (rear panel; nominal values)

Video Input

0 to 2 V, 139 ohm input impedance

21.4 MHz IF Input

Nominally -11

with 10

input attenuation, 50 ohm input impedance

Calibrator (front panel)

100 MHz (frequency reference error x 100 MHz)

-10

0.3

50 ohm impedance, nominal

1st LO (front panel)

2.3 to 6.1

50 ohm impedance, nominal

Sweep and Tune Output (rear panel)

-1

of tuned frequency (2% + 10

kohm impedance, nominal

Display Outputs (typical parameters)

X, Y, and Z outputs for auxiliary CRT displays.

1 V for full deflection

Z

0 to 1 V intensity modulation, -1 V blank

BLANK

TTL level 2.4 V for blanking

Compatible with most oscilloscopes.

Recorder Outputs (typical parameters)
Outputs to drive all current HP X-Y recorders using positive

or TTL pen uplift.

Horizontal Sweep Output (X-axis)
A voltage proportional to the horizontal sweep of the
frequency sweep generator. 0 V for left edge,

0

V for right edge; 1.7 kohm impedance, nominal.
Video Output (Y-axis)

Detected video output (before A-D conversion)
proportional to vertical deflection of the CRT trace
100

from 0 to 1 V; 475 ohm impedance,

nominal.

Output (Z-axis)

During sweep, pen down 0 V from

ohm source

During retrace, pen up

V from

kohm source

21.4 MHz Output (rear panel, typical)
21.4 MHz; 50 ohm impedance, nominal: -20

for a signal

at reference level. In log scales, the IF output logarithmically

related to RF input signal; in linear, the output is linearly
related.

Frequency Reference (rear panel, typical)

10.000 MHz, 0

50 ohm output impedance

10 MHz Output (rear panel, typical)

5

to ohm output impedance

Video Output 0 to 2 V, 10 ohm output impedance

Cathode Ray Tube

Post deflection accelerator,

aluminized

phosphor, electrostatic focus and

deflection.
Viewing Area

Approximately 9.6 cm vertically

by 11.9 cm horizontally (3.8 in x 4.7 in)

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