Cross Technologies 2009-2425-1750 Manuale utente
Instruction Manual
Model 2009-2425-1750
Downconverter
September 2019, Rev. 0
2009 TEST DOWNCONVERTER
CROSS TECHNOLOGIES, INC.
DC ALARM J1 J2
J3
RF IN
IF OUT
DC POWER
CROSS TECHNOLOGIES, INC.
••
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.
CROSS TECHNOLOGIES, 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: [email protected]
MODEL 2009-2425-1750 Downconverter
TABLE OF CONTENTS PAGE
Warranty 2
1.0 General 3
1.1 Equipment Description 3
1.2 Technical Characteristics 4
2.0 Installation 5
2.1 Mechanical 5
2.2 Front Panel Indicators 5
2.3 Rear Panel Inputs and Outputs 6
2.4 Accessing the PC Card 6
2.5 Installation/Operation 6
3.0 Environmental Use Information 7
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. Cross Technologies, Inc. shall not be
liable for any special, indirect, or consequential damages. This warranty does not cover parts
or equipment which have been subject to misuse, negligence, or accident by the customer
during use. All shipping costs for warranty repairs will be prepaid by the customer. There
are not other warranties, express or implied, except as stated herein.
CROSS TECHNOLOGIES, 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: [email protected]
2009-2425-1750 Manual, Rev. 0 Page 2 09/05/19
Model 2009-2425-1750 Downconverter
2.40 - 2.50 GHz to 1700 - 1800 MHz
1.0 General
1.1 Equipment Description
The 2009-2425-1750 Downconverter converts a 2.40 - 2.50 GHz signal to 1700 - 1800 MHz
with a low side local oscillator (LO) (non-inverted spectrum). Featuring low phase noise and
high stability, this unit down converts 2.40 - 2.50 GHz signals to 1700 - 1800 MHz. The 2.40 -
2.50 GHz input is mixed with a synthesized local oscillator (LO) signal to 1700 - 1800 MHz.
The mixer output is applied to the output amplifier providing a nominal gain of +10 dB.
Connectors are 75Ωtype-F (female) for the 1700 - 1800 MHz output and 50Ωtype-N (female)
for the RF input. Front panel LEDs light when DC power is applied (green) and when a PLL
alarm occurs (red). DC power is provided by the LNB voltage from the receiver under test or by
an external wall mount power supply (option -P4). The 2009 can be mounted on an 1 3/4” X
19” rack mount panel (option -R)
2009 TEST DOWNCONVERTER
CROSS TECHNOLOGIES, INC.
DC ALARM J1 J2
J3
RF IN
IF OUT
DC POWER
CROSS TECHNOLOGIES, INC.
••
FIGURE 1.1 Front and Rear Panels
1700
to
1800
MHz
OUT
2.40
to
2.50
GHz
IN
0.700 GHz PLL
2009-2425-1750 Block Diagram
1.75 G
BP
2.45 G
BP
FIGURE 1.2 Block Diagram
2009-2425-1750 Manual, Rev. 0 Page 3 09/05/19
1.2 Technical Characteristics
TABLE 1.1 Model 2009-59 Equipment Specifications*
Input Characteristics
Impedance/Return Loss 50 Ω/12 db
Frequency 2.40 - 2.50 GHz
Level -40 to -20 dBm
Output Characteristics
Impedance/Return Loss 75 Ω/12 db
Frequency 1700 - 1800 MHz
Level -30 to -10 dBm
Output 1 dB compression 0 dBm
Channel Characteristics
Gain at band center +10 dB ±2 dB
Spurious Response < -40 dBC, 1700 - 1800 MHz
Spectrum Sense Non-inverting
Frequency Response ±2 dB, 1700 - 1800 MHz; ±0.5 dB, any 10 MHz increment
Synthesizer Characteristics
LO Frequency 0.700 GHz
Frequency Accuracy ± 1.0 ppm maximum
-110-100-85-75-60
1MHz100kHz10kHz1kHz100 Hz
dBC/Hz
Phase Noise
@
Fre
q
Indicators
DC Power Green LED
Alarm Red LED
Other RF Connector Type N (female), 50 Ω
IF Connector Type F (female)
Size, Bench Top 4.7” wide X 1.75” high X 6.5” deep.
Size, Rack Mount (-R) 19-inch Standard Chassis, 1.75” high x 7.0” deep (optional).
Power +15 to +18 VDC, 250 ma on RF Out,
Wall mount power supply unit optional)
Options
-M Type N RF, 50Ω
-P4 100-240 ±10% VAC Wall Power Supply, +15 VDC
-R 1RU Rack Mounting.
-C Power Supply not included. Requires Cross 2000-01 Power Supply.
*+10˚C to +40˚C; 2000 meters max elevation; 80% max humidity; Specifications subject to change without notice.
2009-2425-1750 Manual, Rev. 0 Page 4 09/05/19
2.0 Installation
2.1 Mechanical
The 2009-59 is packaged in an aluminum extrusion. The -R option is mounted on a 1 3/4” X 19” panel that can
be mounted to a rack using the 4 holes at the ends (See Figure 2.1).
2.1.1 Cleaning Instructions
Wipe the exterior with a dry, soft cloth. Use no detergent or cleaning chemicals.
EXTRUSION
FRONT SCREWS (4EA)
FRONT PANEL
RACK MOUNT PANEL (FOR -R MODELS ONLY)
C
ROSS
T
ECHNOLOGIES, INC.
2009 TEST DOWNCONVERTER
DC ALARM
REAR SCREWS (4EA)
REAR PANEL
FIGURE 2.1 Model 2009-2425-1750 Assembly (-R option shown)
2.2 Indicators
Figure 2.2 shows front panel indicators.
DS1 - DC POWER LED
Lights green when DC
power is present.
DS2 - ALARM LED
Lights red when PLL
comes out of lock.
CROSS TECHNOLOGIES, INC.
DC ALARM
2009 TEST CONVERTER
FIGURE 2.2 Model 2009-2425-1750 Front Panel Indicators
2009-2425-1750 Manual, Rev. 0 Page 5 09/05/19
2.3 Input / Output Signals
Figure 2.3 shows the input and output signals to the 2009-2425-1750.
J1 - RF IN
The 2..40 to 2..50 GHz input .
This must be a “clean” input with no
image or other frequency present.
The max input level is -20 dBm.
This is a 50Ω, Type N, female
connector.
J3 - DC POWER
The +15 VDC unregulated DC voltage from
the wall power supply. -P models ONLY.
J2 - IF OUT
The 1700 -1800 to 1450
MHz output at -10 dBm
max level with -20 dBm in.
This is a 75Ω, Type F,
female connector. May
also contain +15 to +18
GND +15
DC POWER
RF IF
J1 J3 J2
CROSS TECHNOLOGIES, INC.
FIGURE 2.3 Model 2009-2425-1750 Rear Panel Inputs and Outputs
2.4 Accessing the PC Card
There are NO USER JUMPERS or other on-card controls. ALTHOUGH IT IS NOT RECOMMENDED AND
MAY VOID THE WARRANTY the following shows how to remove the printed circuit board (PCB) from the
extrusion:
1. Always remove power when installing or removing the PCB from the extrusion
2. Remove four (4) rear panel screws (see Figure 2.1).
3. Gently pull the rear panel and PCB assembly completely out of the extrusion.
4. To install the PCB, gently push the rear panel and PCB assembly completely into the extrusion
(make sure the shield goes in the lower channel and the PCB in the next channel above that) and that
the front panel indicators line up with the front panel holes.
5. Install four (4) rear panel screws.
2.5 Installation / Operation
2.5.1 Installing and Operating the 2009-2425-1750:
1. For -P4 models, connect one end of the Wall Power Supply to the 2009-2425-1750 DC
Power In, J3, and the other end to 115 VAC, 60 Hz (Figure 2.3).
2. Connect a -20 dBm, maximum, signal to RF IN, J1 (Figure 2.3).
3. Connect the IF OUT, J2, to the receiver under test (For models powered from the LNB be sure that
the LNB voltage is +15 to +18 VDC, 250 ma) (Figure 2.3).
4. Be sure DS1 (green, DC Power) is on and DS2 (red, Alarm) is off (Figure 2.2).
3.0 Environmental Use Information
2009-2425-1750 Manual, Rev. 0 Page 6 09/05/19
A.Rack-Mounting - To mount this equipment in a rack, please refer to the installation instructions
located in the user manual furnished by the manufacturer of your equipment rack.
B. Mechanical Loading - Mounting of equipment in a rack should be such that a hazardous condition
does not exist due to uneven weight distribution.
C.Elevated Operating Ambient Temperature - If installed in a closed or multi-unit rack assembly,
the operating ambient temperature of the rack may be greater than room ambient temperature.
Therefore, consideration should be given to Tmra.
D. Reduced Air Flow - Installation of the equipment in a rack should be such that the amount of air flow
required for safe operation of the equipment is not compromised. Additional space between units
may be required.
E. Circuit Overloading - Consideration should be given to the connection of the equipment to the supply
circuit and the effect that overloading of circuits could have on over current protection and supply wiring.
Appropriate consideration of equipment name plate rating should be used, when addressing this concern.
F. Reliable Earthing - Reliable earthing of rack-mounted equipment should be maintained.
Particular attention should be given to supply connections other than direct connection to the
Branch (use of power strips).
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.
2009-2425-1750 Manual, Rev. 0 Page 7 09/05/19
CROSS TECHNOLOGIES, 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: [email protected]
Printed in USA
2009-2425-1750 Manual, Rev. 0 Page 8 09/05/19
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