Cross Technologies 2116-184 User manual

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

GND

EXT 10MHZ RF INPUT

INPUT 10MHZ REF

OUTPUT

INT EXT

AUTO

S1 J1

L-BAND

OUTPUT

J101

J11

ALARM

15 234 6

REAR PANEL

FIGURE 1.1 Model 2116-184 Front and Rear Panels

17.3

18.4

GHz

0.95

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) 75connector; Works with 50or 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.

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

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

GND

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/Os

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

Options

Option RF L-Band

STD SMA, 50BNC, 50

SMA, 50BNC, 75

SMA, 50Type F, 75

SMA, 50Type N, 50

SMA, 50SMA, 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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