Cross Technologies 2116-184 Manuel utilisateur
Instruction Manual
Model 2116-184
Block Downconverter
May 2009 Rev B
MODEL 2116
CROSS TECHNOLOGIES INC.
POWER
EXT
10MHZ ALARM
DOWNCONVERTER
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.
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]
INSTRUCTION MANUAL
MODEL 2116-184 Block 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 Rear Inputs and Outputs 6
2.3 Front Panel Indicators 6
2.4 Operation 7
2.5 Environmental Use Information 8
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]
2116-184 Manual_B Page 2 5/7/09
MODEL 2116-184 Block Downconverter
1.0 General
1.1 Equipment Description
The 2116-184 Downconverter converts 17.3 - 18.4 GHz to 0.95 - 2.05 GHz with a local oscillator at 16.35
GHz. Front panel LEDs provide indication of DC Power, External 10 MHz, and PLL Alarm. The gain is +25
dB. Connectors are SMA female for the RF and BNC female for the L-Band and external reference input and
reference output. A three-way switch controls which 10 MHz reference is being used. In the INT position, the
internal reference is used, in the EXT position, the external reference is used, and in the AUTO position, the
internal reference is used unless a +3 dBm ± 3 dB, 10MHz reference signal is connected to the external
reference input. The 2116 is powered by a 100-240 ±10% VAC power supply, and mounted in a 1 3/4” X 19 “
X 14” rack mount chassis.
MODEL 2116
CROSS TECHNOLOGIES INC.
POWER
EXT
10MHZ ALARM
DOWNCONVERTER
FRONT PANEL
AC
GND
J8
J2
EXT 10MHZ RF INPUT
INPUT 10MHZ REF
OUTPUT
INT EXT
AUTO
S1 J1
L-BAND
OUTPUT
J101
J11
ALARM
15 234 6
78
9
REAR PANEL
FIGURE 1.1 Model 2116-184 Front and Rear Panels
17.3
to
18.4
GHz
IN
0.95
to
2.05
GHz
OUT
16.35
GHz
EXT 10MHZ
10 MHZ
MON
2 GHz LP
AUTO
INT
10MHZ
FIGURE 1.2 Model 2116-184 Downconverter Block Diagram
2116-184 Manual_B Page 3 5/7/09
1.2 Technical Characteristics
TABLE 1.0 2116-184 Downconverter Specifications*
Input Characteristics
Impedance/Return Loss 50/14 dB (see TABLE 2.2 for connector options)
Frequency 17.3 to 18.4 GHz
Noise Figure, max. 20 dB, max gain
Input Level -55 to -35 dBm
Input 1dB Compression -25 dBm
Output Characteristics
Impedance/Return Loss 50/12 dB (see TABLE 2.2 for connector options)
Frequency 0.95 to 2.05 GHz
Output Level Range -30 to -10 dBm
Output 1dB Compression 0 dBm
Channel Characteristics
Gain +25 dB ± 2 dB
Image Rejection >50 dB, min.
Spurious, In Band SIGNAL RELATED <-50 dBC (-10 dBm output level)
SIGNAL INDEPENDENT <-60 dBm
Spurious, Out of Band <-50 dBm
Intermodulation <-50 dBC for two carriers each at -13 dBm out
Frequency Response ±2.0 dB, 0.95 to 2.05 GHz out; ± 0.75 dB, 40 MHz BW
Frequency Sense Non-inverting
LO Characteristics
LO Frequency 16.35 GHz
Frequency Accuracy ± 0.01 ppm max over temp internal reference
10 MHz In/Out Level +3 dBm ± 3 dB
dBc/Hz
@ Freq < -70
100Hz < -115< -100< -80< -70 1MHz100kHz10kHz1kHzPhase Noise
Controls, Indicators
Ext 10 MHz Yellow LED, Indicates Ext 10 MHz reference is active
Power Green LED
PLL Alarm Red LED, External contact closure
Other RF Connector SMA (female) (see TABLE 2.2 for other options)
L-Band Connector BNC (female) (see TABLE 2.2 for other options)
10 MHz Connectors BNC (female) 75connector; Works with 50or 75.
Connector, Alarm DB9, female - NO or NC contact closure on Alarm
Size 19 inch, 1RU standard chassis 1.75”high X 14.0” deep
Power 100-240 ±10% VAC, 47-63 Hz, 25 watts max
Options
Connector options see TABLE 2.2
*+10˚C to +40˚C; Specifications subject to change without notice.
2116-184 Manual_B Page 4 5/7/09
2.0 Installation
2.1 Mechanical
The 2116-184 consists of a PCB and an RF assembly housed in a 1 RU (1 3/4 inch high) by 12 inch deep
chassis. A switching, ± 12, +24, +5 VDC power supply provides power for the assemblies. The 2116-184 can
be secured to a rack using the 4 holes on the front panel. Figure 2.0 shows how the 2116-184 is assembled.
1
PS IN
PIN 1, +12 VDC
PIN 2, +5 VDC
PIN 3, +5 VDC
PIN 4, GROUND
PIN 5, GROUND
PIN 6, -12 VDC
PIN 7, +24 VDC
PIN 8, +24 VDC
POWER
SUPPLY
J10
J101 - Panel Mount
SMA Connector
PLL
VCO
J5
MIXER
AMP
BP FILTER
ISO
FIGURE 2.0 2116-184 Mechanical Assembly
2116-184 Manual_B Page 5 5/7/09
2.2 Rear Panel Input/Output Signals
Figure 2.1 shows the input and output connectors on the rear panel.
15 234
6
78
9
AC
GND
J8
J2
EXT 10MHZ RF INPUT
INPUT 10MHZ REF
OUTPUT
INT EXT
AUTO
S1 J1
L-BAND
OUTPUT
J101
J11
ALARM
J1 - L-BAND OUTPUT
BNC (female) 50 . 0.95 to 2.05 GHz,
0 dBm max output signal. See Table
2.2 for other connector options.
AC INPUT
100-240 ±10%VAC, 47-60 HZ
Uses 2 amp Slow Blo,
5mm fuse
S1 - 10MHZ SWITCH
3-position switch. INT selects internal 10MHz ref.
AUTO selects internal 10MHz ref, unless a 3dBm
±3dB 10MHz signal is inserted on J2.
EXT selects external 10MHz ref from J2.
J2 - EXT 10MHZ INPUT
BNC (female) 75 . Insert external 10MHz
reference here (3 dBm ± 3 dB).
J101 - RF INPUT
SMA (female) 50
17.3 to 18.4 GHz
-35 dBm max input signal.
See Table 2.2 for other
connector options.
J11 - ALARM
DB9 (female) connector.
See Table 2.1.
J8 - 10MHZ REF OUTPUT
BNC (female) 75 . Outputs currently
selected 10MHz ref signal (3 dBm ±3 dB).
FIGURE 2.1 2116-184 Rear Panel I/Os
TABLE 2.1 JJ11
TABLE 2.1 J11 Pinouts (DB9)
Pin Function
1NotUsed
2NotUsed
3NotUsed
4NotUsed
5GND
6 Alarm Relay: Common
7 Alarm Relay: Normally Open
8NotUsed
9 Alarm Relay: Normally Closed
2.3 Front Panel Indicators
Figure 2.2 shows the front panel indicators.
DS2 - ALARM LED
Lights RED when PLL comes
out of lock.
DS1 - POWER LED A
Lights GREEN when DC voltage is
present from AC power supply.
DS3 - EXT 10MHZ LED
Lights YELLOW when external
10MHz reference is active.
POWER
EXT
10MHZ ALARM
FIGURE 2.2 2116-184 Front Panel Controls and Indicators
2116-184 Manual_B Page 6 5/7/09
TABLE 2.2
Connector Optio
n
ns
Options
Option RF L-Band
STD SMA, 50BNC, 50
S7
SMA, 50BNC, 75
SF
SMA, 50Type F, 75
SN
SMA, 50Type N, 50
SS
SMA, 50SMA, 50
2.4 Installation / Operation
2.4.1 Installing and Operating the 2116-184 Downconverter
1. Connect a -55 dBm to -35 dBm signal to RF INPUT, J101 (Figure 2.1).
2. Connect the L-BAND OUTPUT, J1, to the external equipment.
3. Connect 100-240 ±10% VAC, 47 - 63 Hz to AC connector on the back panel.
4. Be sure DS1 (green, DC Power) is on and DS2 (red, Alarm) is off (Figure 2.2).
5. Select either INT (for internal 10MHz ref), AUTO (for internal 10MHz ref UNLESS an external
10MHz, 3 dBm signal is connected to J2), or EXT (for external 10MHz, 3 dBm ref that is inserted at J2)
on rear panel switch S1 (Figure 2.1).
6. If EXT is selected or AUTO is selected and there is a 10MHz, 3 dBm signal at J2, check that DS3
(yellow, Ext 10MHZ) is on (Figure 2.2).
7. Check that a 10MHz, 3 dBm ±3 dB signal is present at the 10MHZ REF OUTPUT (J8) (Figure 2.1).
8. AC Fuse - The fuse is a 5 mm X 20 mm, 2 amp slow blow (Type T) and is inserted in the far slot in the
drawer below the AC input as shown in Figure 2.3. There is a spare fuse in the near slot. If a fuse
continues to open, the power supply is most likely defective.
FUSE DRAWER
SPARE FUSE DRAWER
AC Fuse - 2 amp slow blow (Type T 2A GDC),
5 mm X 20 mm
~
INPUT
100-240± 10%VAC
47-63 Hz
2A MAX
FUSE
TYPE T 2A GDC
250 VOLT
FOR 100 - 240 V~
~
FIGURE 2.3 Fuse Location and Spare Fuse
2116-184 Manual_B Page 7 5/7/09
2.5 Environmental Use Information
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 unit
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.
2116-184 Manual_B Page 8 5/7/09
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]
2116-184 Manual_B Page 9 5/7/09
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