Informations sur l'appareil:

Tektronix TR 503 Générateur
Fabricant:
Tektronix
Modèle: TR 503
Date: 1980
Catégorie: Mètres
Groupe: Générateur
Description: Tracking Generator
Information:
                                    The TR 503 may be used to measure the frequency response of
a device or component over a 100 kHz to
1.8 GHz range. It is used in conjunction with a TM 500
mainframe and a 492 Spectrum Analyzer. The tracking
generator/spectrum analyzer method of response measurement
has intrinsically greater rejection of device or
environmental noise than the alternate swept sine-wave method.
The greater noise rejection is gained by having the 492
Spectrum Analyzer track the TR 503 output. Noise rejection
is improved as the Resolution Bandwidth of the 492 is
decreased; this is due to the 492 being immune to noise
outside of the VR (Variable Resolution IF) bandwidth.
The TR 503 uses the 1st and 2nd LO (local oscillator)
outputs of the 492 to generate a frequency that tracks the
input of the 492. The TRACKING ADJUST control of the TR 503
allows fine adjustment of this frequency.

Points on the 492 display may have their frequencies
measured by adding a frequency counter, such as the DC 508,
to the TR 503/492 system. Measurements may be made directly
from an external rf spectrum or obtained from the response
curve of a device under test.

Ces manuels sont disponibles pour les équipements ci-dessus :

Type de document: Service et Manuel de l'utilisateur Tektronix-9962-Manual-Page-1-Picture
Nombre de pages: 71
Taille du fichier: 6.08 Mbytes (6370353 Bytes)
langue: Anglais
Révision:
Document ID/Numéro: 070-3526-00
Date: 01 août 1980
qualité: Document scanné, tous les lisible.
Chargé sur:
MD5: 75591cb8d6acfc930f25717721d5fc6d
Téléchargements: 31 depuis 26 décembre 2017
Information:
LIST OF ILLUSTRATIONS ............................iii

OPERATORS SAFETY SUMMARY......................iv

SERVICING SAFETY SUMMARY........................v

Section 1 GENERAL INFORMATION AND SPECIFICATIONS

Introduction..................................1-1

Overview..........7................1-1

Standards....................................1-2

Electrical Characteristics....................1-2

Environmental Characteristics............1-3

Physical Characteristics....................1-3

Accessories..................................1-3

Section 2 OPERATING INSTRUCTIONS

Introduction......................................2-1

About the Tracking Generator............2-1

Installation........................................2-1

Repackaging....................................2-1

Functions of the Controls and

Connectors......................................2-1

Operators Checkout Procedure..........2-2

Check Flatness ............................2-3

Check Output Level......................2-4

Tracking Adjustment ....................2-4

Measuring Frequency....................2-4
WARNING
THE FOLLOWING SERVICING INSTRUCTIONS ARE FOR USE BY
QUALIFIED PERSONNEL ONLY. TO AVOID PERSONAL INJURY, DO NOT
PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN OPERATING
INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO.
Section 3 THEORY OF OPERATION

General Description..........................3-1

Block Diagram Description................3-3

Detailed Circuit Description ..............3-3

RF and Microwave Circuits............3-3
Section 3 THEORY OF OPERATION (cont)

Bias and Leveling Loop Circuitry . .	3-3

Phase Lock Loop..........................3-4

Power Supply Regulators..............3-5

Section 4 CALIBRATION

Introduction......................................4-1

History Information ..........................4-1

Equipment Required..........................4-1

PERFORMANCE CHECK..................4-2

Introduction......................................4-2

Preliminary Inspection ......................4-2

Performance Verification....................4-2

Check Frequency Range................4-2

Check Output Level......................4-2

Check Flatness ............................4-2

Check Auxiliary Output Level ....	4-3

Check for Spurious Signals............4-3

ADJUSTMENT PROCEDURE ............4-4

Introduction......................................4-4

Complete or Partial Calibration..........4-4

Test Points ......................................4-4

Preliminary Preparation ....................4-4

55 MHz Oscillator Mode Adjust . . .	4-4

Adjust the Normalizing Attenuator .	4-5

Output Level Calibration................4-6

Section 5 MAINTENANCE

Introduction..................................5-1

Static-Sensitive Components..........5-1

Preventive Maintenance ....................5-1

Cleaning......................................5-2

Exterior....................................5-2

Interior....................................5-2

Lubrication ..................................5-2

Visual Inspection..........................5-2

Transistor and Integrated Circuit

Checks........................................5-2

Performance Checks and

Recalibration................................5-2

Troubleshooting................................5-2
Section 5 MAINTENANCE (cont)
Page

Section 5 MAINTENANCE (cont)
TABLE OF CONTENTS (cont)
Troubleshooting Aids....................5-2

Diagrams..................................5-2

Circuit Board Illustrations..........5-3

Wiring Color Code....................5-3

Multiple Terminal (Harmonica)

Connectors..............................5-3

Resistor Values ........................5-3

Capacitor Marking....................5-3

Diode Color Code ....................5-4

Transistor and Integrated Circuit

Pin Configuration......................5-4

Diode Checks ..........................5-4

General Troubleshooting Technique	5-5

Corrective Maintenance ....................5-6

Obtaining Replacement Parts ....	5-6 Parts Repair and
Replacement

Program ......................................5-6

Soldering Technique ....................5-6

Replacing the Square Pin for the

Multi-pin Connectors....................5-6

Selected Components....................5-6
Replacing Assemblies........................5-7

Removing or Replacing Semi-rigid

Coaxial Cables..............................5-7

Replacement of Microwave

Assemblies ..................................5-7

Separating the TR 503 ..............5-7

Removing the Assembly............5-7

Replacing the 2.182 GHz Four Cavity

Filter/Mixer Assembly....................5-8

Remove and Replace the Filter

Assembly..................................5-8

Filter Alignment Procedure ....	5-8
Section 6 REPLACEABLE ELECTRICAL PARTS
Section 7 DIAGRAMS AND CIRCUIT BOARD ILLUSTRATIONS
Section 8 REPLACEABLE MECHANICAL PARTS
CHANGE INFORMATION
Tektronix-9962-Manual-Page-1-Picture


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