Comet 317C User Manual

Vacuum Capacitors

Continental Type 317C

50 KW AM Transmitter
Capacitor Replacement Guide

Continental's 317C transmitter is a 50 kW AM
broadcast transmitter designed for continuous
operation in the demanding commercial broadcast
market. Its field-proven design offers excellent
performance with high overall efficiency, increased
reliability and easy maintainability.

Introduction:

In an effort to better serve their
customers, Continental teamed with
Comet to identify replacement
capacitors for the Continental Type
317C Transmitters.

Scope:

Continental was interested in
continued support of existing
installations.

Application:

Continental has verified these
replacements and begun replacing
failed capacitors in the field.

Responsibilities:

Since difference can occur over time
in specific installations, it is always
recommended to verify replacements
in your application.

COMET NORTH AMERICA

tel.: [phone] fax: [phone]
www.cometna.com

Recommended Capacitors:

• CV05C-1000EW/5

• CV1C-300D/7.5

• CV2C-1000E/35

• CV1C-1000EW/7.5

• CF2C-1000F/30

• CF2C-750F/30

• CF2C-500G/30

Similar Transmitters:

These capacitors are applicable to
Continental Type 317C, 317C-1,
317C-2 and 317C-3 transmitters.
Please check with Comet or
Continental if you have any questions.

[e-mail]

/CF2C-500G

- MLC-500-30S CF2C-500G/30 None

L-Network 1 CVFP-1000-35 CV2C-1000E/35 None

T-Network 1 CVFP-1000-35 CV2C-1000E/35 None

Third Harmonic Trap 1 CVDD-1000-7.5 CV1C-1000EW/7.5 None

Padder (Depending on Frequency) - MLC-1000-30S CF2C-1000F/30 None

Padder (Depending on Frequency) - MLC-750-30S CF2C-750F/30 None

Manufacturer Description Qty Original Capacitor Replacement Capacitor Additional parts or changes required

Driver Anode Tuning (Not used on 317C-3) 1 CVCD-1000-5 CV05C-1000EW/5 None

Intergrid 1 CVDD-300-7.5N611 CV1C-300D/7.5 None

PA Carrier Grid Tuning 1 CVDD-300-7.5N611 CV1C-300D/7.5 None

Carrier Anode Tuning 1 CVFP-1000-35 CV2C-1000E/35 None

Peak Anode Tuning 1 CVFP-1000-35 CV2C-1000E/35 None

Pi-Network 1 CVFP-1000-35 CV2C-1000E/35 None

Continental Type 317C Transmitter

Padder (Depending on Frequency)

CV05C-1000EW CV1C-300D CV2C-1000E CV1C-1000EW CF2C-1000F/CF2C-750F

Copyright Comet North America

May, 2003 - 50