Marconi TF144H/4 TF144H/4R TF144H/4S
TF144H/6S Series II CT452
RF Signal Generators
TF-144H/4 TF-144H/4R TF-144H/4S
TF-144H/6S Series 2 CT-452 Download

This manual will also cover model TF-144H/S.
Which may also have a CT452 label on it.


Circuit Diagram, Service Manual, Service Information,  Schematic Diagrams and Manuals

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  • Marconi Signal Generator

    There are two versions in the workshop : -

  • Standard version TF144H /4
  • Service version (Military) TF144H /4S (CT 452)

  • Frequency : - 10 kc/s to 72 Mc/s, in 12 bands.

  • Crystal Check : - 400 kc/s and 2 Mc/s crystals selected automatically by band switch. Accuracy: +- 0 .005%.

  • Stability : - +- 0.002% in a 10 min interval after warm up

  • Impedance : - 50 ohms

  • Calibrated Output : - 2uV to 2V e.m.f. Low outputs down to 0.2uV using 20 dB pad TM 5573

  • Modulation : - Internal AM  400c/s and 1 kc/s switch selected. Depth 0 to 80%

  • Power Supply : - AC mains 200 to 250v /100 to130v (40 to 60c/s) Consumption 80 watts.

  • Batteries : - LT- 6V, 2amps. HT-240v up to 50mA

  • Weight : -  TF144H /4  -  63lbs - 28.6kg  TF144H /4S - 65 lbs -29.5kg

Marconi TF144H-4.jpg (29816 bytes)
Standard version TF144H /4

Manual with Circuits and
Layout images Details Below
On Paper CD or Download

Click Here


The Manual Consists of  the Following

GENERAL INFORMATION
Features
Standard and Service versions
Data Summary
Accessories 

OPERATION
Installation.
Connections
Warming Up
Controls : Supply and Tuning
Controls : Modulation and Output
Quick Operational Check
C. W. Operation.
Use of Crystal Calibrator
Tuning Control Logging Scale
A. M. Operation
R. F Output Arrangements
Use of 20-db Attenuator Pad
Use of  Dummy Aerial and D.C. Isolator
Direct Output

TECHNICAL DESCRIPTION
Circuit Summary
R. F. Oscillator
Range Switching
Main Tuning.
Incremental Tuning
Modulation Oscillator and Cathode Follower
A. L. C. and Modulation Amplifier
Crystal Calibrator
Crystal Calibrator Amplifier
Output Attenuators.
Direct Output.
Meter Monitoring
Power Supplies

MAINTENANCE
General
Mains Input Arrangement
Removal of Case - Access to Components
Static Voltages and Currents
Valve Failure and Replacement
Adjustment of Presets
Performance Checks

REPLACEABLE PARTS

CIRCUIT DIAGRAMS

DECIBEL CONVERSION TABLE

Marconi TF144H-4S.jpg (28701 bytes)
Service version (Military)
TF144H /4S (CT 452)

Manual with Circuits and
Layout images Details Below
On Paper CD or Download

Click Here


Marconi TF144H/4 TF144H/4R TF144H/4S TF144H/6S Series II CT452
RF Signal Generators
TF-144H/4 TF-144H/4R TF-144H/4S TF-144H/6S Series 2 CT-452


This manual will also cover model TF-144H/S.
Which may also have a CT452 label on it.


It is comprehensive and gives all the relevant information to renovate a
Marconi TF144H Signal Generator.
I used this manual to renovate both of mine.

Manual with Circuits and Layout images 69 pages
Manuals are Available Worldwide as a Download on CD or Paper Copy.


Manual 69 A4 pages worldwide

Printed Paper Copy or on CD are Plus Postage.

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We do all we can to provide the very best that is available for you.
But in the unlikely event that any data should not be as you expected.
A refund is always available. Kind Regards Allen and Alanna.


Manuals are Available Worldwide as Paper Copy on CD or as a Download

Thank you for your interest. Allen and Alanna G0RIT
Should you wish to purchase

 
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Revised: January 20, 2016