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®
The Drake HCP2550T, HCP1550T, HCP1450T, and Dracom 450TCPT are upgraded versions of the Drake HCP2550A,
HCP1550, HCP1450, and Dracom 450TCP. The "T" Channel models include built-in upconverters to extend coverage of
the input section to include channels T7 through T14 for the HCP2550T, HCP1550T, and HCP1450T. The Dracom
450TCPT includes coverage from T7 through T13. When the T channel upconverter module, which must be factory
installed, is present, the processor may be used in either the normal mode with input channels starting at CH2 or in the T
channel mode where the upconverter is connected between the input of the normal tuner and the input signal. To use the T
channel mode, the included F connector jumper cable is simply installed between the UP CONVERTER OUTPUT and the
RF INPUT and the T channel input signal is connected to the T7 TO T14 IN input instead of the RF INPUT. These connec-
tions are all on the rear panel of the processor. To use the processor for normal input channels, the jumper can be re-
moved and the normal input (RF INPUT) used.
When the upconverter is used, input channel T7 is selected by choosing channel 7 on the input channel switch, T8 is
selected by setting 8, and so on through input channel T13 which is selected by setting 13 on the input channel switch.
For input channel T14, the front panel switch is set to 23.
The specifications for the T series of channel processors are identical to the non T versions when used on normal
channels without the input upconverter connection. When the upconverter is in use, the additional specifications, listed
below, will also apply for use with T channel input channels.
These T series processors accept T channel input signals but output coverage does not extend below channel 2.
Thus, T channels can be converted to any other channel in the processor's output range starting with channel 2 and up.
NOTE: When using the T channel upconverter module option on the 450TCPT only, avoid use on input channels if an
adjacent channel is present at the input and output. For adjacent channel operation, use the HCP1450T, HCP1550T, or
HCP2550T models, which have additional SAW filtering.
UPCONVERTER SPECIFICATIONS
Gain:
Noise Figure:
Input Level (T channels):
Input Return Loss:
Local Oscillator:
T7 TO T14 IN CONNECTOR
(T7 TO T13 FOR THE DRACOM 450TCPT)
RF
OUTPUT
TV CHANNEL OUT
R.L. Drake Company
230 Industrial Drive
Franklin, Ohio 45005 U.S.A.
® is a registered trademark of the R.L. Drake Company
Unity ± 2 dB.
Less than 10 dB.
+ 30 dBmV maximum.
15 dB typical.
168.250 MHz, PLL synthesized and locked to processor reference.
"T" CHANNEL
SIGNAL IN
COMPOSITE IF
IN
OUT
IF
LOOP
Sales Office:
1-937-746-4556
Fax:
1-937-806-1510
Service & Parts: 1-937-746-6990
On-Line:
http://www.rldrake.com
©Copyright 2002 R.L. Drake Co.
450TCPT "T" Channel Processors
UP CONVERTER
OUTPUT
T-7 TO T-14
UP CONVERTER
IN
OUTPUT
Printed in the U.S.A.
RF INPUT
RF
INPUT
In Canada: 1-705-742-3122
Fax:
1-705-742-2838
On-Line:
http://www.drakecanada.com
3862465F-7-2005