Wavetek - 110B - Generator
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Gerät:
110B
Datum:
1967
Kategorie:
Gruppe:
Untergruppe:
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The WAVETEK Model 110 Function Generator and Model 111
Voltage Controlled Generator (VCG) are semi-precision
sources of waveforms from servo to video frequencies. These
units are extremely rugged, completely transistorized
portable packages. They feature complete plug-in printed
circuit board construction with interchangeable individually
calibrated printed circuit boards utilizing silicon
semiconductors throughout. The extremely clean and stable
waveform signal from 0. 005 Hz to 1 MHz (Model 110) and
0.0015 Hz to 1 MHz (Model 111) make these generators highly
versatile general purpose pieces of equipment for the
laboratory or the field.
The Models 110 and 111 are identical in size and performance
except that the Model 111 offers VCG and the additional ramp
function. Both Models feature a main output with function
selector switch and amplitude attenuator. In addition, they
offer simultaneous 5 volt peak to peak 50.n. outputs of
sine, square and triangle waveforms; 1 volt, 10 nsec. rise
and fall time square wave; and, -10 volt sync pulse.
Frequency is controlled by an eight position range switch at
20:1 range, thus providing good overlap.
All outputs may be shorted simultaneously and the generator
will continue to oscillate internally with less than 0. 5%
change in frequency. Voltage may be applied back into the
generator so long as this voltage does not exceed the
maximum output voltage. Up to ±50 volts may be applied to
the VCG input without damage.
The Model 111 features VCG voltage control of frequency by
the internal frequency dial operating in parallel with the
VCG input terminals. The generated frequency is the
resultant sum of the VCG input voltage and the dial setting.
Without an externally applied voltage, the dial governs and
the generator operates like a Model 110. By adding a
positive voltage to the input terminals, the frequency is
increased; by adding a negative voltage to the input
terminals, the frequency is decreased. The applied voltage
may be either a d-c programming voltage or an a-c frequency
modulating voltage. The modulation band width is 100 KHz (it
is possible to have a higher modulation frequency than
carrier frequency, with a resulting triangle wave that may
look like a staircase).
The frequency dial is a continuously variable quality
composition potentiometer. An electronic frequency vernier
is incorporated for extremely precise frequency adjustment.
The vernier covers one minor dial division for one vernier
rotation.
In addition to sine, square and triangle, the Model 111 also
offers ramp functions. The base line of this ramp signal is
zero volts and the ramp duty cycle is 50 per cent. The ramp
on the binding post is a positive ramp; the ramp on the BNC
connector is a negative ramp.
1 Handbuch
Reparatur und Bedienungsanleitung
Dokumenttyp:
Reparatur und Bedienungsanleitung
Seitenanzahl:
82
Größe:
6,3 MB
Sprache:
englisch
Revision:
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GENERAL DESCRIPTION AND OPERATION
General....................................................................................1-1
Model
111.................................................................................1-1
Models 110 and 111; Models HOB and 111B..................1-2
Models 110 and 110B; Controls and Terminals .... 1-3
Power
Switch..........................................................................1-3
Frequency Range
Switch.....................................................1-4
Frequency
Dial......................................................................1-4
Selector Switch, Output Attenuator, and D-C
Zero Control
*...................................................................1-5
The 5 Volt Triangle, 5 Volt Sine and 5 Volt
Square Outputs (Model
110)..............................................1-5
The lONsec. Square
Output..............................................1-5
Models 111 and 11 IB; Controls and Terminals .... 1-5
Power/Dial Multiplier
Switch..........................................1-5
Frequency Range
Switch.....................................................1-6
Frequency Dial and Frequency Vernier.........................1-6
The VCG
Input......................................................................1-6
The 5 Volt Triangle, 5 Volt Sine and 5 Volt
Square Outputs (Model
111)..............................................1-6
Model 11 IB; Main
Output.....................................................1-7
II SPECIFICATIONS AND TEST PROCEDURES
Specifications........................................................................2-1
Test
Procedures...................................................................2-12
General
Information............................................................2-12
Testing
Information............................................................2-12
Other Kinds of
Tests............................................................2-12
III THEORY OF OPERATION
Model
110..................................................................
3-1
Model 111 ·«··········· ···-3-2
Circuit
Description...............................................................3-3
IV CALIBRATION
Model 110; Calibration
Procedure...................................4-1
Equipment
Required............................................................4-1
Power Supply
Board............................................................4-1
Power
Amplifier...................................................................4-2
IV CALIBRATION (Continued)
Main
Board.....................................................................
. 4-2
Sine Waveform
Adjustments.......................................... 4-2
Check
Ranges......................................................................
4-3
Model
111.............................................................................
4-3
Equipment
Required............................................................
4-3
Power Supply
Board............................................................
4-3
Power Amplifier ...................................... 4-4
Main
Board..........................................................................
4-4
Sine Waveform
Adjustments.......................................... 4-5
VCG Board
Frequency........................................................
4-5
Ramp
Adjustment...............................................................
4-6
Check
Ranges......................................................................
4-6
V PARTS LIST
General.................................................................................
5-1
Parts List
Arrangement................................................. 5-1
List of
Manufacturers........................................................
5-1
Matched or Paired
Parts................................................. 5-2
VI SCHEMATIC DIAGRAMS
LIST OF ILLUSTRATIONS
Figure No. Page
5-1 Chassis
Assembly...................................................................
5-3
5-2 Front Panel Assembly (Model
110).......................................5-5
5-3 Front Panel Assembly (Model
111).......................................5-8
5-4 Main Board
Assembly............................................................5-12
5-5 VCG Board
Assembly............................................................5-17
5-6 Power Supply and Output Amplifier
Assembly..................5-21
5-7 Battery Power Supply Assembly .
.......................................5-23