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Cross Technologies 1200-03 Instruction Manual

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Instruction Manual
RX
IF MON
ON
DIG1
J1
SW1
DIG1
FDM
DIG2
Data, drawings, and other material contained herein are proprietary to Cross Technologies, Inc.,
but may be reproduced or duplicated without the prior permission of Cross Technologies, Inc.
for purposes of operating the equipment.
When ordering parts from Cross Technologies, Inc., be sure to include the equipment
model number, equipment serial number, and a description of the part.
TX
IF MON
ON
ON
LOCAL
REMOTE
FDM
DIG2
SW2
SW3
SW4
J2
LOCAL
OVERRIDE
C
T
ROSS
ECHNOLOGIES, INC.
6170 Shiloh Road
Alpharetta, Georgia 30005
(770) 886-8005
FAX (770) 886-7964
Toll Free 888-900-5588
WEB www.crosstechnologies.com
E-MAIL info@crosstechnologies.com
MODEL 1200
IF PROCESSOR
GAIN
R1
R2
R3
T1
T2
T3
DC
FRONT
Model 1200-03
IF Processor
January 2009 Rev B
C
T
ROSS
ECHNOLOGIES, INC.

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Summary of Contents for Cross Technologies 1200-03

  • Page 1 FRONT Data, drawings, and other material contained herein are proprietary to Cross Technologies, Inc., but may be reproduced or duplicated without the prior permission of Cross Technologies, Inc. for purposes of operating the equipment. When ordering parts from Cross Technologies, Inc., be sure to include the equipment model number, equipment serial number, and a description of the part.

  • Page 2: Table Of Contents

    WARRANTY - The following warranty applies to all Cross Technologies, Inc. products. All Cross Technologies, Inc. products are warranted against defective materials and workmanship for a period of one year after shipment to customer. Cross Technologies, Inc.’s obligation under this warranty is limited to repairing or, at Cross Technologies, Inc.’s option, replacing parts, subassemblies, or entire assemblies.

  • Page 3: General

    DIG2 on both transmit and receive sides are 75 in/out while FDM on both transmit and receive sides are 50 in/out. When power is removed from the 1200-03, the FDM TX and FDM RX signals pass through to the output.

  • Page 4: Technical Characteristics

    1.2 Technical Characteristics TABLE 1.1 1200-03 IF Processor Specifications RX Input Characteristics Impedance/Return Loss /18 dB Frequency 50 to 90 MHz Input Level Range/1dB 0 to -80 dBm / +5 dBm RX Output Characteristics Impedance/Return Loss FDM RX 50 / 18dB; DIG1, DIG2 RX 75 /18 dB (with 5dB...
  • Page 5 1200-03 Manual, Rev. B Page 5 01/08/09...

  • Page 6: Use Information

    F. Top Cover - There are no servicable parts inside the product so, the Top Cover should not be removed. If the Top Cover is removed the ground strap and associated screw MUST BE RE-INSTALLED prior to Top Cover screw replacement. FAILURE TO DO this may cause INGRESS and/or EGRESS emission problems. 1200-03 Manual, Rev. B Page 6 01/08/09...

  • Page 7: Installation

    14 inch deep chassis. An AC power supply provides +15VDC and -15VDC to the PCB. The 1200-03 can be secured to a rack using the 4 holes on the front panel. Figure 2.1 shows how the 1200-03 is assembled.
  • Page 8 Output, BNC female, 50 . DB9, female. Allows for REMOTE control of the 1200-03 TX switches, and contains AGC and LOCAL indicator signals. See Tables 2.1 and 2.2. FIGURE 2.2 1200-03 Rear Panel I/Os and Control TABLE TABLE TABLE J105...

  • Page 9: Operation

    Operation 2.4.1 Installing and Operating the 1200-03 1.) Install the 1200-03 in the equipment rack. 2.) Connect to signals on the CONTROL connector, J105, as desired (Figure 2.2). 3.) Connect 100-240 ±10% VAC, 47 - 63 Hz to AC IN on the back panel (Figure 2.2).
  • Page 10 2.4.2 AGC voltage relating to Gain - The 1200-03 IF Processor operates over a 0 to -80 dBm input range on the RX IF side. The Automatic Gain Control (AGC) provides a constant -35 dBm ± 10 dBm output RX IF level over the entire input range.

  • Page 11: Shiloh Road Alpharetta, Georgia

    ROSS ECHNOLOGIES, INC. 6170 Shiloh Road Alpharetta, Georgia 30005 (770) 886-8005 FAX (770) 886-7964 Toll Free 888-900-5588 WEB www.crosstechnologies.com E-MAIL info@crosstechnologies.com 1200-03 Manual, Rev. B Page 11 01/08/09...