background image

Table of Contents, Specifications, and Description     3

2

Caution Statements

2

Important Safety Instructions

3

Table of Contents/Specifications/Description

4

Front Panel Controls and Indicators

4

Rear Panel Connections

5

Reference Chart of Off-Air and CATV Channels

6

Service / If You Need To Call For Help

7

Warranty

As previously described, channel selection switches,
video output level control, and audio output level control
are located on the front panel.  The RF Input is through an
“F” type connector located on the rear panel.  The rear
panel Video Output is also an “F” type connector.
Unbalanced Audio Output is provided through a rear
panel connector.  The unit is powered through the
attached AC line cord by a nominal 115 VAC, 60 Hz
source of power.  A 115 VAC convenience outlet is also
provided.

RF

Input Frequency:

        Input Level:

  Noise Figure:

Image Rejection:

Input Impedance:

VIDEO

         Output Level:

AUDIO

         Output Level:

Output Impedance:

GENERAL

          AC Power Input:

Operating Temperature:

Dimensions:

Weight:

Connectors:

54 - 806 MHz,
Off-Air: Channels 2 - 69.
CATV: Channels 2 - 125.
-10 to +35 dBmV.
10 dB, maximum.
50 dB, minimum.
75 Ohms.

1.0 Vp-p nominal, NTSC
standard negative sync,
adjustable with front panel
control.

350 mV rms nominal,
adjustable.
600 Ohms, nominal.

115 VAC ±10%, 60 Hz, 5 Watts.
0

0

 C to +50

0

 C, ambient.

19” W x 1.75” H x 3.125” D.
4.5 lbs (2.2 Kg).
RF Input and Video Output are
type F.
Unbalanced Audio Output is
Type "F".
Use adapter for RCA phono.

The DRACOM 806DM is a professional quality agile
NTSC television demodulator that provides an audio and
video output from any VHF, UHF, or CATV channel
(54 - 806 MHz).  The standard 1-rack-unit package design
of the 806DM permits convenient pairing with a Drake
rack mount Video Modulator to perform off-air or CATV
channel processing.

The desired off-air VHF or UHF television channel from
2 through 69 or CATV channel from 2 through 125 is
selected by a front panel recessed push button switches.
The 806DM provides a standard negative sync video
output at a nominal level of 1 Vp-p which is adjustable
with a front panel control.  Also provided is an audio
output signal, nominal 350 mV, that is level adjustable
with a front panel control.

CHANNEL

AUDIO
LEVEL

VIDEO
LEVEL

806DM AGILE NTSC DEMODULATOR

CHANNEL

UNLOCK

   LOCK 

ANTENNA 

CABLE

TABLE OF CONTENTS

SPECIFICATIONS

DESCRIPTION

Содержание 806DM

Страница 1: ...Instruction Manual is a trademark of the R L Drake Company Copyright 2003 R L Drake Company P N 3853615B 1 2003 Printed in U S A 806DM Agile NTSC Demodulator ...

Страница 2: ...cular attention to cords at plugs convenience receptacles and the point where they exit from the product 14 Outdoor Antenna Grounding If an outside antenna or cable system is connected to the product be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built up static charges Article 810 of the National Electrical Code ANSI NFPA 70 provides in...

Страница 3: ...ls 2 125 10 to 35 dBmV 10 dB maximum 50 dB minimum 75 Ohms 1 0 Vp p nominal NTSC standard negative sync adjustable with front panel control 350 mV rms nominal adjustable 600 Ohms nominal 115 VAC 10 60 Hz 5 Watts 00 C to 500 C ambient 19 W x 1 75 H x 3 125 D 4 5 lbs 2 2 Kg RF Input and Video Output are type F Unbalanced Audio Output is Type F Use adapter for RCA phono The DRACOM 806DM is a professi...

Страница 4: ...ween ANTENNA and CABLE channel tuning When the ANTENNA mode is selected an A will be displayed in the far left position of the channel display See F1 The ANTENNA CABLE selection can be made only if the unit is unlocked See F2 F5 AUDIO Output Level Control Use this control to adjust the demodulated audio output level presented at R2 F6 VIDEO Output Level Control Use this control to adjust the demod...

Страница 5: ...al Carrier Visual Carrier Visual Carrier Visual Carrier Visual Carrier Frequency MHz Frequency MHz Frequency MHz Frequency MHz Frequency MHz 471 25 477 25 483 24 489 25 495 25 501 25 507 25 513 25 519 25 525 25 531 25 537 25 543 25 549 25 555 25 561 25 567 25 573 25 579 25 585 25 591 25 597 25 603 25 609 25 615 25 621 25 627 25 633 25 639 25 645 25 651 25 657 25 663 25 669 25 675 25 681 25 687 25 ...

Страница 6: ...s at R L DRAKE if we have all the facts If we must call you it may take longer R L DRAKE is not responsible for damage caused by lightning nonprofes sional alterations acts of God shipping damage poor storage handling etc R L DRAKE will make note of any shipping damage upon receipt Should your warranty card not be on file at R L DRAKE you will need to send proof of purchase to receive warranty ser...

Страница 7: ...e important to obtain proper performance from this product Therefore carefully read the Instruction Manual This warranty does not apply to any defect that R L DRAKE COMPANY determines is due to 1 Improper maintenance or repair including the installation of parts or accessories that do not conform to the quality and specifications of the original parts 2 Misuse abuse neglect or improper installatio...

Страница 8: ...R L Drake Company 230 Industrial Drive Franklin Ohio 45005 U S A Customer Service and Parts Telephone 1 937 746 6990 Telefax 1 937 743 4576 World Wide Web Site http www rldrake com ...

Отзывы: