Geräte Informationen:

Wavetek 802 Generator
Hersteller:
Wavetek
Modell: 802
Datum: 1978
Kategorie: Messgeräte
Gruppe: Generator
Beschreibung: 50 MHz pulse generator
Informationen:
                                    THE MODEL 802

The Model 802 is a 50 MHz general purpose laboratory pulse
generator. The instrument gives you full control in primary
pulse triggering and shaping plus simultaneous TTL, TTL and
sync pulses. The primary pulse output has controllability in
rate, width, delay, upper level, lower level and a choice of
positive, negative or complementary outputs. The TTL and TTL
are of fixed levels and rise times that are standard for use
with compatible devices. The primary pulse has rise and fall
times of 5 ns or less.

The output is ±10 volts with a 500 termination. Upper and
lower pulse levels are fully adjustable through ±10 volts, a
20 volt window. Termination may be internal, at the load or
both.

Single pulses or pulse pairs may be triggered; pulse width
may be trigger controlled; continuous pulses may be gated
for a 'burst' output.

1.2	SPECIFICATIONS

1.2.1	Versatility Four Simultaneous Pulse Outputs
Fixed TTL level sync, TTL and TTL outputs, and variable
amplitude output pulses are available over a 5 Hz {200 ms)
to 50 MHz (20 ns) frequency range.

For optimum pulse characteristics from the variable
amplitude pulse output, an internal 500 load can be selected
via a front panel control.

Operational Modes

Continuous; Generator oscillates continuously at selected
frequency.

Triggered: Generator quiescent until triggered by external
TTL pulse or front panel control, then generates one pulse.

Gated: Generator oscillates at the period rate selected by
the front panel control when gate input is high. Generator
quiescent when input is low. First cycle is synchronous with
rising edge of gating signal.
Double Pulse: Same as continuous, triggered and gated,
except two pulses for each period. Time to second pulse is
controlled by delay control. Double pulse at all outputs
except sync.

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Dokumenttyp: Service- und Bedienungsanleitung Wavetek-2762-Manual-Page-1-Picture
Seitenanzahl: 47
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Datum: September 1978
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Dokumenttyp: Datenblatt Wavetek-6387-Manual-Page-1-Picture
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Dokumenttyp: Service- und Bedienungsanleitung Wavetek-11094-Manual-Page-1-Picture
Seitenanzahl: 20
Dateigröße: 1.36 Mbytes (1423934 Bytes)
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Dokumenttyp: Service- und Bedienungsanleitung Wavetek-11137-Manual-Page-1-Picture
Seitenanzahl: 45
Dateigröße: 1.95 Mbytes (2045699 Bytes)
Sprache: Englisch
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Dokument-ID/Nummer: 1300-00-0119
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SECTION 1 GENERAL DESCRIPTION

1.1	THE MODEL 802
............................................................................M

1.2
SPECIFICATIONS..........................................................................1-1

1.2.1
Versatility..................................................................................1-1

1.2.2	Pulse Outputs
............................................................................1-1

1.2.3	Time
Domain..............................................................................1-2

1.2.4	Input
Characteristics..........................................1-2

1.2.5	General ................................................T2

SECTION 2 INSTALLATION

2.1	MECHANICAL
INSTALLATION......................................................2-1

2.2	ELECTRICAL
INSTALLATION........................................................2-1

2.2.1	Power Connection
.................................................................2-1

2.2.2	Signal
Connections................................................2-1

2.3	ELECTRICAL ACCEPTANCE CHECK
..............................................2-1

SECTION 3 OPERATION

3.1	CONTROLS AND CONNECTORS
....................................................3-1

3.2	NOTES ON OPERATION
................................................................3-2

3.2.1	Modes
..................................................3-2

3.2.2	White Marks
..............................................................................3-2

3.7.3	Pulse Width and
Defay..................................................................3-2

3.2.4	Output
Terminations....................................................................3-4

3.2.5	Duty
Cycle................................................................................3-5

3.2.6	Output
Mixing............................................................................3-5

3.2.7	Precise Output Levels
..................................................................3-5

3.2.8	Fixed
Delay......................................................3-5

3.2.9	Two Phase Clocking
............................................................3*5

3.2.10	Rise Time Measurements
...................................................3-6

3.3
OPERATION..................................................................................3-6

3.3.1	Continuous
Pulses................................................................3
6

3.3.2	Wide Duty Cycle
Pulses........................................3*6

3.3.3	Externally Triggered
Pulses..................................3-6

3.3.4	Manually Triggered Pulses
............................................................3-6

3.3.5	Gated Pulses
..............................................................................3-7

3.3.6	Pulses With Width Controlled Externally
.............................3-7

3.3.7	Double Pulses
............................................................................3-7
SECTION 4 CIRCUIT DESCRIPTION

4.1	OVERALL BLOCK DIAGRAM
.......................................4-1

4.2	PERIOD OSCILLATOR
..................................................................4-1

4.3	TRIGGER/GATE
CIRCUIT..............................................................4-1

4.4	SYNC
CIRCUIT..............................................................................4-1

4.5	DELAY CIRCUIT
..........................................................................4*1

4.6	WIDTH
CIRCUIT............................................................................4-2

4.7	TTL BUFFER
AMPLIFIER..............................................................4-2

4.8	OUTPUT AMPLIFIER
....................................................................4-2

4.9	POWER
SUPPLY............................................................................4-2

4.10	MODES OF
OPERATION................................................................4-2

SECTION 5 CALIBRATION

5.1	FACTORY
REPAIR.........................................................5-1

5.2	REQUIRED TEST
EQUIPMENT........................................................5-1

5.3	REMOVING GENERATOR
COVERS..................................5-1

5.4
CALIBRATION..............................................................................5-1

SECTION 6
TROUBLESHOOTING............................................................................6-1

6.1
INTRODUCTION............................................................................6-1

6.2
SAFETY........................................................................6-1

6.2.1
Precautions...............................................................6-1

6.2.2	Safety Check.............. , . ,
..................... .	6-1

6.3	CIRCUIT BOARD
ACCESS..............................................................6-1

6.4	BASIC
TECHNIQUES......................................................................6-1

6.5	TROUBLESHOOTING INDIVIDUAL COMPONENTS
............................6-2

6.5.1
Transistor..................................................................................6-2

6.5.2
Diode...................................................6-2

6.5.3	Operational
Amplifier..................................................................6-2

6.5.4	FET
Transistor............................................................................6-2

6.5.5	MOSFET
Transistor....................................................................6-2

6.5.6	Capacitor
..........................................................................6-2

6.5.7	ECL
Gate..................................................................................6-2

6.6	FLOW
CHARTS..............................................................................6-2

SECTION 7 PARTS AND SCHEMATICS

7.1	DRAWINGS
..................................................................................7-1

7.2	ORDERING
PARTS........................................................................7-1

7.3
ADDENDA....................................................................................7-1
Wavetek-11137-Manual-Page-1-Picture


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