Cross Technologies 1200-88 Instruction Manual

If amplifier

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Instruction Manual
CH2
POWER
REMOTE
ALARM
CH1
PEAK
PEAK
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. Printed in USA.
When ordering parts from Cross Technologies, Inc., be sure to include the equipment
model number, equipment serial number, and a description of the part.
G1=-10
LVL1=<+5
MENU
G2=+15
LVL2= +12
EXECUTE
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 1200-88
IF Amplifier
August 2010 Rev. A
MODEL 1200
AMPLIFIER
C
T
ROSS
ECHNOLOGIES INC.

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Summary of Contents for Cross Technologies 1200-88

  • Page 1 PEAK 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. Printed in USA. 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

    1.1 Equipment Description The 1200-88 IF Amplifier is a dual channel amplifier each providing manual gain control (MGC) for a 0.1 to 100 MHz IF signal for a -50 to 0 dBm input signal. The gain can be manually adjusted from -25 to +25 dB for up to a +10 dBm output.
  • Page 4: Technical Characteristics

    1.2 Technical Characteristics TABLE 1.0 1200-88 Dual IF Amp Specifications (each amp)* Input Characteristics Impedance Return Loss 18 dB Frequency 0.1 to 100 MHz Input Level -50 to 0 dBm Input 1 dB compression +5 dBm @ min. gain Output Characteristics...
  • Page 5: Monitor & Control Interface

    Alarm Relay: Common Alarm Relay: Normally Open Not Used Alarm Relay: Normally Closed B) Status Requests - Table 1.1 lists the status requests for the 1200-88 and briefly describes them. Table 1.1 1200-88 Status Re e quests Requests Command Syntax*...
  • Page 6 C) Commands Table 1.2 lists the commands for the 1200-88 and briefly describes them. After a command is sent the 1200-88 sends a return “>” indicating the command has been received and executed. General Command Format - The general command format is {aaCND...}, where:...
  • Page 7: Installation

    2.1 Mechanical The 1200-88 consists of one RF/Controller PCB housed in a 1 RU (1 3/4 inch high) by 16 inch deep chassis. A switching, ± 12, +24, +5 VDC power supply provides power for the assemblies. The 1200-88 can be secured to a rack using the 4 holes on the front panel.
  • Page 8: Rear Panel Inputs & Outputs

    Alarm Relay: Normally Open Not Used Alarm Relay: Normally Closed *Remote Serial Interface Interface: DB-9 Male Protocol: RS-232C (RS-232C/422/485 -option Q), 9600 baud rate, no parity, 8 data bits, 1 start bit, 1 stop bit. 1200-88 Manual, Rev. A Page 8 8/18/10...
  • Page 9: Front Panel Controls & Indicators

    Menu items when in controls which values are being program mode. Does not function in adjusted. Does not function in the the normal display mode normal display mode FIGURE 2.3 Front Panel Controls and Indicators 1200-88 Manual, Rev. A Page 9 8/18/10...
  • Page 10: Operation

    2.4 Operation 2.4.1 Installing and Operating the 1200-88 Dual IF Amplifier 1. Connect -50 dBm to 0 dBm signals to CH1 IF In, J2, and CH2 IF In, J4 (Figure 2.2) 2. Connect the IF OUTPUTS, J1 and J5, to the external equipment.
  • Page 11: Menu Settings

    2. The software version will be displayed. REV 1.00 3. The present gain of the Dual IF Amp is shown. G1=-10 LVL1=<+5 G2=+15 LVL2= +12 The unit is now operational and ready for any changes the operator may desire. 1200-88 Manual, Rev. A Page 11 8/18/10...
  • Page 12 When the display indicates the value desired you can push the Menu/Execute switch to the next item OR you can scroll to “R”, push the Menu/Execute switch to get back to the main display: G1=-20 LVL1=<+5 G2=+15 LVL2= +12 Figure 2.5 gives the menu items and how to make changes. 1200-88 Manual, Rev. A Page 12 8/18/10...
  • Page 13 ADDRESS = 00 Menu 5 Set RS-485 Address SCROLL PUSH BUTTON (option Q only) Select “R” in any of the above menus to return to the main display. FIGURE 2.5 Menu Display and Sequence 1200-88 Manual, Rev. A Page 13 8/18/10...
  • Page 14: Environmental Use Information

    G. Top Cover - There are no serviceable 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 REINSTALLED prior to Top Cover screw replacement. FAILURE TO DO this may cause INGRESS and/or EGRESS emission problems. 1200-88 Manual, Rev. A Page 14 8/18/10...
  • Page 15: 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 Printed In USA 1200-88 Manual, Rev. A Page 15 8/18/10...

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