INSTRUCTION
MANUAL
Model 4017B
10MHz DDS SWEEP/FUNCTION GENERATOR
0
Table of Contents
1.
2.
Introduction to the Model 4017B
2
1.1. Description.......................................................................................................................................................................................................2
1.2.
Feature Summary
............................................................................................................................. 2
Front panel
..............................................................................................................................................................................................................2
2.1. Brief description. Using the controls..........................................................................................................................................................2
2.2.
Buttons and knobs. LED functionality description.
..................................................................................... 3
3.
Operating the Model 4017B..................................................................................................................
6
3.1.
Parameter’s setting......................................................................................................................................................................................6
3.1.1.Frequency setting (except FREQCOUNTER mode)......................................................................................................................6
3.1.2.Level setting (except FREQCOUNTER mode)...............................................................................................................................8
3.1.3.Offset setting (except FREQCOUNTER mode)..............................................................................................................................8
3.1.4.Duty cycle setting (except FREQCOUNTER mode)......................................................................................................................9
3.1.5.CMOS level setting (except FREQCOUNTER mode)...................................................................................................................9
3.1.6.Sweep time setting (only for INTERNAL SWEEP mode)............................................................................................................9
3.1.7.Sweep width setting (only for INTERNAL SWEEP mode)........................................................................................................10
3.1.8.
Gate setting (only for FREQCOUNTER mode).
.................................................................................10
3.2. Mode description........................................................................................................................................................................................10
3.2.1
EXTERNAL VCG (External Voltage Control G enerator.....................................................................................................10
3.2.1.1 Selecting EXTERNAL VCG mode ..........................................................................................................................................12
3.2.1.2 Selecting output waveform.........................................................................................................................................................12
3.2.1.3 Selecting the frequency...............................................................................................................................................................12
3.2.1.4 Selecting the level.........................................................................................................................................................................13
3.2.1.5 Selecting the offset .......................................................................................................................................................................13
3.2.1.6 Selecting the duty cycle...............................................................................................................................................................13
3.2.1.7 Selecting output TTL/CMOS level...........................................................................................................................................13..
3.2.2
INTERNAL SWEEP.........................................................................................................................................................................12
3.2.2.1 Selecting INTERNAL SWEEP mode ......................................................................................................................................12
3.2.2.2 Selecting output waveform.........................................................................................................................................................12
3.2.2.3 Selecting the frequency...............................................................................................................................................................12
3.2.2.4 Selecting the level.........................................................................................................................................................................13
3.2.2.5 Selecting the offset .......................................................................................................................................................................13
3.2.2.6 Selecting the duty cycle...............................................................................................................................................................13
3.2.2.7 Selecting output TTL/CMOS level...........................................................................................................................................13
3.2.2.8 Selecting sweep width.................................................................................................................................................................13
3.2.2.9 Selecting sweep time....................................................................................................................................................................13
3.2.2.10
Selecting type of sweeping ..................................................................................................13
3.2.3
FREQ COUNTER (Frequency Counter mode).........................................................................................................................13
3.2.3.1 Selecting FREQCOUNTER mode............................................................................................................................................14
3.2.3.2 Selecting gate period....................................................................................................................................................................14
3.2.4
Saving the default loaded mode at power-up
............................................................................................................................14
3.2.5
Setting parameters examples..........................................................................................................................................................14
3.2.5.1 Example of setting parameters in EXTERNAL VCG mode................................................................................................14
3.2.5.2 Example of setting parameters in INTERNAL SWEEP mode............................................................................................16
3.2.5.3 Example of setting gate period in FREQCOUNTER mode.................................................................................................19
3.2.5.4 Example of saving the default mode at power-up..................................................................................................................19
3.2.5.5 Waveform exa mples ....................................................................................................................................................................20
3.3
Remote operation.......................................................................................................................................................................................25
3.3.1
Brief command description................................................................................................................................................................25
3.3.2
Commands description........................................................................................................................................................................25
3.3.2.1 General rules..................................................................................................................................................................................25
3.3.2.2 Commands description................................................................................................................................................................26
3.3.3
Remote program examples..............................................................................................................................................................34
3.3.3.1 Example of setting parameters in EXTERNAL VCG mode using REMOTE control mode........................................34
3.3.3.2 Example of setting parameters in INTERNAL SWEEP mode using REMOTE control mode....................................35
3.3.3.3
Example of setting parameters in FREQCOUNTER mode using REMOTE control mode
............................36
4
5
6
Specifications...................................................................................................................................37
Service Information
..........................................................................................................................38
CE Cert………………………………………………………………………………………………………………39
1
1. Introduction to the 4017B.
1.1 Description
The
B &K Precision Model 4017B
Sweep/Function Generator is the newest 40XX fa mily me mber. The 4017B enhances the
performance achieved by its successful predecessor, BK P recision Model 4017A Sweep/Function Generator. These performances are
achieved by using direct digital waveform synthesis (DDS) techniques for generating high accuracy and precision frequencies. A high
performance Digital Signal P rocessor (DSP ) controls every aspect of the DDS system, and is used for precise generation and processing
of waveforms. The 4017B has a vast number of applications in both analog and digital electronics, in the engineering, manufacturing,
servicing, educational and hobbyist fields. This versatile signal source is capable of generating waveform (such as sine, triangle and
square), pulse generation (through variable symmetry) and frequency sweep. Additionally, the instrument provides a built-in frequency
counter.
The core of the function generator is a DSP , which is used to generate precision sine, square or triangle waveforms over 0.01Hz to
10MHz range. This encompasses subaudible, audio, ultrasonic and RF applications. The symmetry of the waveforms can be changed
between 0% to 100% in 1% steps, converting the instrument to a pulse generator capable of generating rectangular waves or pulses,
ramp or sawtooth waves and slued sine waves. An external voltage may be used to control operating frequency that can be changed
using a ratio between 1:1 and 1:100. Frequency sweep can be adjusted by changing the rate and the time sweep, and also the manner in
which frequency is changed, linear or logarithmic.
The B&K P recision Model 4017B has 3 jacks: 2 for output and 1 input. The
OUTPUT
jack is the main signal output. The
TTL/CMOS
jack is a
TTL/CMOS
compatible square wave output. The
VCG/SWEEP
jack is an input used for controlling the operating frequency
and input to the frequency counter.
The 4017B is capable of supplying an output level of 20.0V
pp
with an offset voltage of ± 10.0V
pp
(unloaded) on the main signal output,
the
OUTPUT
jack. The output impedance is 50 ohms; therefore the 50 ohm loaded output level is 10.0V
pp
, with an offset voltage
capability of ±5.0 V
pp
. The output level can be adjusted with a resolution of 1mV and 10mV, depending on the level range being
worked on. The offset level can be adjusted with a resolution of 1mV.
The 4017B is capable of generating a
TTL/CMOS
compatible square wave on
TTL/CMOS
jack. The CMOS output level can be up to
14.0 V
pp
(unloaded).
On the
VCG/SWEEP
input jack, DC levels can be applied between 0V to 10.0V in order to change the output operating frequency with
a ratio between 1:1 and 1:100. This jack is also used as a frequency counter input, for frequencies between 5Hz and 100MHz.
The front panel of the Model 4017B includes LCD display, buttons, “ intelligent” knobs and an LED in order to operate the unit quick
and easy. The “ intelligent” knobs are one of the main features of this new model, which reduces the number of controls needed for
changing the value of a parameter. The LCD display is a large 2-line 16 columns back lighted display.
The unit also features an
EIA-RS232
connector on the rear of the unit. This permits the user to remote control the 4070A using ASCII
characters. No special hardware or protocols are needed; any dumb terminal or computer serial port can be used. The baud rate is fixed
to 9600 BP S.
1.2 Feature Summary
2. Front panel.
2.1 Brief description.
Located on the Front P anel is the LCD display, controls, power switch, connection jacks and LED (see the figure 2 for details).
The LCD display is a backlit, 2-row 16-columns LCD display.
There are two kinds of controls: buttons and knobs.
All buttons are implemented as 1-parameter single function control, except the range buttons that have a second function. P ressing the
range buttons (UP and DOWN buttons) twice at the same time will save the current working state as the default loaded state at power-
up. P ressing any other buttons at the same time will have no effect upon the current working state. There are 2 kinds of buttons: one
category has no LED’ s, the other category has LED’s. P ressing one of the buttons from the first category will change the values on the
LCD display.
The knobs are implemented as 3-parameter single function control, with “ intelligent” control. The parameters defining a knob are:
value, rotating direction, and rotating speed. The value identifies the parameter being changed. The rotating direction, clockwise or
counter clockwise, determines whether the value of the parameter is increment or decrement respectively, by an amount of 1. The speed
of rotation sets the position in the parameter’s digits of the digit being modified. The “ intelligent knob” implementation allows a very
simple and intuitive way of changing parameter values and reducing the number of controls used.
2
2.2 Buttons and knobs. LED functional description.
7
1
2
4017B 10MHz DDS SWEEP/ FUNCTION GENERATOR
-20dB
COUNTER
UP
CMOS
9
8
10
0
12
13
15
17
19
3
4
5
6
11
14
16
18
BK PRECISION
FREQUENCY
RANGE (Hz)
DOWN
~
WAVEFORM
DC OFFSET
OUTPUT LEVEL
22.222KHz 100k
1.01 V
Output
LEVEL
Pea k-to-Peak
(into 50)
VCG
SWEEP
DUTY CYCLE
TTL
CMOS LEVEL
Range
FREQUENCY
POWER
TIME
WIDTH
INT
LIN
VCG SWEEP
TTL CMOS
OUTPUT
50
EXT
SWEEP
LOG
COUNTER IN
20
23
21
24
25
26
29
32
34
35
37
39
22
27
28
30
31
33
36
38
40
1
LCD Display.
This is a 2 line X 16 columns LCD-large type display. The first line will always display the generated
waveform frequency or the frequency measured sampling
COUNTER IN
input. The second line is used to display other parameters of
the generated waveform, depending on the mode being worked: level, offset introduced,
TTL/CMOS
level, duty cycle when in
EXTERNAL VCG
mode, and additional parameters, time and width sweep when in
INTERNAL SWEEP
mode. In
FREQ COUNTER
mode on the second line, the gate used in sampling
COUNTER IN
input is displayed.
2
Frequency f ield.
This field is used for displaying parameter frequency. The value displayed has a different meaning
depending on the working mode. If in
EXTERNAL VCG
or
INTERNAL SWEEP,
the value represents the generated waveform
frequency on the main output source,
OUTPUT
jack, and it is a 5-digit resolution value. If in
FREQ COUNTER
mode, the value
represents the frequency of the signal sampled on COUNTER IN input, and can be a 9-digit resolution value.
3
Frequency unit value.
This field will display the multiplying factor used for displaying frequency value. It changes when the
user modifies the range using “
UP” and “DOWN”
buttons.
4
Frequency range.
This field will display the range in which the frequency value displayed in
frequency field
can be changed.
It changes when user modifies the range using “
UP” and “DOWN”
buttons.
3
5
Range buttons.
P ressing those buttons will change the frequency range. P ressing the
UP and DOWN
buttons means that
frequency range will change up and down, respectively. If reaching the upper or lower range by pressing the
UP or DOWN
buttons, it
will pass to the lower range or upper range, respectively. Changing the range will affect the frequency field, frequency unit value and
frequency range.
By pressing these two buttons together twice, the current mode and parameters will be saved as the default power-up working state.
6
-20 dB button.
P ressing this button will engage/disengage 20dB attenuation in the signal on
OUTPUT
jack. P ressing this
button will change the level field. A light at - 20dB LED indicates engaging the attenuator. No light at –20dB LED indicates
disengaging the attenuator.
7
– 20 dB LED.
LED associated with the – 20 dB button has a solid light when the attenuator is active, and no light when
attenuator is disabled.
8
COUNTER/VCG SWEEP button.
P ressing this button will engage/disengage
FREQ COUNTER
mode. Engaging
FREQ COUNTER
mode will change the content of LCD display and will also be indicated by a lighted
COUNTER LED
only.
Disengaging
FREQ COUNTER
mode will change the content of the LCD display and will also be indicated by a lighted
VCG
SWEEP
LED only.
9
active.
10
0
COUNTER LED.
LED is associated with
COUNTER/VCG SWEEP
button that lights when
FREQCOUNTER
mode is
VCG SWEEP LED.
LED is associated with
COUNTER/VCG SWEEP
button and lights when
EXTERNAL VCG
or
INTERNAL SWEEP
mode is active, and it is associated with a lighted EXT LED or INT LED respectively.
11
TTL/CMOS button.
P ressing this button will enable/disable the use of CMOS LEVEL knob. If enabled, the CMOS LED is
lighted and the output level on
TTL/CMOS
output jack can be changed. If disabled, the TTL LED is lighted and there will be a fixed
level on
TTL/CMOS
output jack.
12
TTL LED.
LED is associated with
TTL/CMOS
button, and lights when there is an output of a fixed TTL style signal on
TTL/CMOS
output jack.
13
CMOS LED.
LED is associated with
TTL/CMOS
button and lights when there is an output of a variable CMOS style signal
on
TTL/CMOS
output jack.
14
SINE WAVE SELECT button.
P ressing this button will enable outputting of a sine style waveform on main output,
OUTPUT
jack, and will be indicated by a lighted
SINE WAVE LED.
15
SINE WAVE SELECT LED.
LED associated with
SINE WAVE SELECT
button, it lights when unit outputs a sine wave
style signal on
OUTPUT
jack.
16
SQ UARE WAVE SELECT button.P
ressing this button will enable outputting of a square style waveform on main output,
OUTPUT
jack, and it will be indicated by a lighted
SQUARE WAVE SELECT LED.
17
SQ UARE WAVE SELECT LED.
LED associated with
SQ UARE WAVE SELECT
button, it lights when unit outputs a
square wave style signal on
OUTPUT
jack.
4
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
