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Cross Technologies 1200-08 Instruction Manual

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Instruction Manual
IF
MONITOR
J1
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.
LEVEL
ADJUST
FRONT
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 1200-08
IF AGC Amplifier
MODEL 1200
AMPLIFIER
C
ROSS
POWER
January 2009 Rev B
T
ECHNOLOGIES, INC.

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Summary of Contents for Cross Technologies 1200-08

  • 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

    2.3 Front Panel I/O’s, Indicators 2.4 Operation 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.

  • Page 3: General

    1.1 Equipment Description The 1200-08 IF Amplifier provides automatic gain control (AGC) for a 50 to 200 MHz IF signal. It takes a -35 to 0 dBm input signal and automatically adjusts the gain for a 0 to +10 dBm (± 1 dB) output which can be adjusted using the front panel potentiometer.

  • Page 4: Technical Characteristics

    1.2 Technical Characteristics TABLE 1.1 1200-08 Specifications Input Characteristics Impedance 50 or 75 Return Loss > 14 dB Frequency 50 to 200 MHz Input Level range -35 to 0 dBm Input 1 dB comp. +5 dBm @ min gain Output Characteristics...

  • Page 5: 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. 1200-08 Manual, Rev B Page 5 01/08/09...

  • Page 6: Installation

    2.1 Mechanical The 1200-08 consists of one PCB assembly and one power supply housed in a 1 RU (1 3/4 inch high) by 14 inch deep chassis. An AC power supply provides +15VDC and -15VDC to the PCB. The 1200-08 can be secured to a rack using the 4 holes on the front panel.

  • Page 7: Front Panel Controls And Indicators

    (MGC) or Automatic Gain Control (AGC) mode. BNC female output level when in Manual Gain Control (MGC) mode. FIGURE 2.2 1200-08 Rear Panel I/Os and Control 2.3 Front Panel Controls and Indicators Figure 2.3 shows the front panel outputs, controls and indicators. R3 - LEVEL ADJUST...

  • Page 8: Operation

    2.4 Operation 2.4.1 Installing and Operating the 1200-08 1. Install the 1200-08 in the equipment rack. 2. Connect 100-240 ±10% VAC, 47 - 63 Hz to AC IN on the back panel (Figure 2.2). 3. Be sure the POWER LED, DS6, is on (Figure 2.3).
  • Page 9 2.4.2 AGC voltage relating to Gain The 1200-08 IF AGC Amplifier operates over a 0 to -35 dBm input range. The Automatic Gain Control (AGC) provides a constant 0 to +10 dBm (± 1 dB) IF output level over the entire input range. The AGC VOLTAGE BNC connector, J104, can be monitored to determine the approximate input level (and corresponding gain) in AGC as Table 2.2 shows (this table assumes the AGC level is set to output +4 dBm,...

  • Page 10: 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 1200-08 Manual, Rev B Page 10 01/08/09...

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