Operating Instructions

 

 

1

4

2

6

 

3

5

 

 

Tektronix

 

 

 

SPECTRUM

 

 

 

 

1705A MONITOR

 

 

 

 

FILTER

 

 

 

INPUT

 

 

 

 

VIDEO

RESOLUTION

 

 

 

 

 

 

 

 

 

 

 

 

REF

 

 

 

 

 

 

 

Tek

 

 

ON

 

300 KHz

 

LBAND

 

 

-10

 

 

 

10 KHz

 

70 MHz

 

 

 

 

 

 

 

 

 

-20

 

 

 

 

 

 

 

 

 

 

SWEEP

 

CENTER FREQUENCY

 

 

 

 

SPEED

 

 

 

 

 

 

-30

 

 

 

 

 

 

 

 

-40

 

 

 

 

 

 

 

 

 

 

 

SPAN/DIV

 

 

 

 

-50

 

 

MENU

 

 

 

 

 

 

 

 

 

 

 

 

-60

 

100

1

10

FULL

 

 

 

 

KHz

MHz

MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

DISPLAY

 

 

 

 

-70

 

FOCUS

SCALE

 

INTENS

 

 

 

 

 

 

 

 

 

 

L

 

TRACE

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

ROTATION

 

 

 

 

 

 

 

 

 

 

 

 

 

+ f

G

 

 

 

 

 

 

 

 

 

 

POSITION

 

 

POWER

 

 

 

HORIZONTAL

VERTICAL

 

ON

 

 

 

 

= HOLD FOR FUNCTION

 

 

 

7

11

10

8

12

13

9

 

 

Figure 2-1: 1705A front panel; refer to text for descriptions of controls identified with circled numbers

SWEEP

4.SWEEP SPEED

A variable control that sets the sweep repetition rate, which is typically between 20 and 200 ms.

5.CENTER FREQUENCY

A ten-turn variable control that determines the center frequency of the displayed portion of the spectrum.

2- 2

1705A Spectrum Monitor

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Tektronix 1705A instruction manual Operating Instructions, Filter Input, Display, Position Power