Cross Technologies 2016-26 Manuale utente

Instruction Manual

Model 2016-26

Downconverter

February 2009 Rev A

EXECUTE

MODEL 2016

F = 2050 G = +10.0

POWERALARM

DOWNCONVERTER

REMOTE

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.

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 2016-26 Downconverter

TABLE OF CONTENTS PAGE

Warranty 2

1.0 General 3

1.1 Equipment Description 3

1.2 Technical Characteristics 4

1.3 Monitor & Control Interface 6

2.0 Installation 9

2.1 Mechanical 9

2.2 Rear Inputs/Outputs 10

2.3 Front Panel Controls, Indicators 11

2.4 Installation/Operation 12

2.5 Menu Settings 13

2.6 Use Information 17

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]

2016-26 Manual, Rev. A Page 2 2/2/09

MODEL 2016-26 Downconverter

1.0 General

1.1 Equipment Description

The 2016-26 Downconverter converts 2000 to 2500 MHz to 140 ± 36 MHz in 1 MHz steps with low group

delay and flat frequency response. Synthesized local oscillators (LO) provide frequency selection. Multi-

function push button switches select the RF frequency and gain. Front panel LEDs provide indication of DC

power (green), remote operation (yellow), and PLL alarm (red). Variable attenuators for the RF input provide a

gain range of 0 to +50 dB as adjusted by the front panel multi-function pushbutton switches. Frequency and

gain settings appear on the LCD display. Connectors are BNC female for RF, IF and optional 10 MHz Input and

Output signals (option E). The unit is powered by a 100-240 ±10% VAC power supply, and housed in a 1 3/4”

X 19“ X 16” rack mount chassis.

EXECUTE

MODEL 2016

F = 2050 G = +10.0

POWERALARM

DOWNCONVERTER

REMOTE

CROSS TECHNOLOGIES INC.

FRONT PANEL

GND

J10

J18

10 MHZ REF 10 MHZ

AND

MONITOR EXT REF

CONTROL

IF OUT OUTPUT INPUT

15 234 6789

RF IN

REAR PANEL

FIGURE 1.1 Model 2016-26 Front and Rear Panels

140

MHz

OUT

2.0

2.5

GHz

CONTROLLER

F=2250 G=+10

EXT

10 MHz*

INT/EXT

10 MHz

INT

10 MHz

VAR

ATT

Block Diagram

FIGURE 1.2 Model 2016-26 Downconverter Block Diagrams

2016-26 Manual, Rev. A Page 3 2/2/09

1.2 Technical Characteristics

TABLE 1.0 2016-26 Downconverter Specifications*

Input Characteristics (RF)

Impedance/Return Loss 50 /12 dB

Frequency 2.0 to 2.5 GHz

Input Level -70 to -20 dBm

Input 1 dB compression -15 dBm

Output Characteristics (IF)

Impedance/Return Loss 75 /18 dB

Frequency 140 ± 36 MHz

Output level -30 to -20 dBm

Output 1 dB compression -15 dBm

Channel Characteristics

Gain range (adjustable) 0 to +50.0 dB

Image Rejection > 50 dB, min.

Spurious Response < -45 dBC in band

Frequency Response ±1.5 dB, 2.5 GHz; ± 0.5 dB, 36 MHz BW

Group Delay, max 0.01 ns/MHz2(parabolic), 0.03 ns/MHz (linear); 1 ns ripple

Frequency Sense Inverting or Non-inverting (selectable)

Synthesizer Characteristics

Frequency Accuracy ± 1.0 ppm max over temp (±0.01 ppm, option H)

Frequency Step 1.0 MHz minimum (500 kHz, option 5) (125 kHz, option X)

10 MHz Level (In/Out) +3 dBm ± 3 dB (option E)

-105-95-80-70-70

1MHz100kHz10kHz1kHz100 Hz

dBC/Hz

Phase Noise

Fre

Controls, Indicators

Frequency Selection Direct readout LCD; pushbutton switches

Gain Selection Direct readout LCD; pushbutton switches

Power Green LED

Alarm Red LED

Remote Yellow LED, RS 232C, 9600 baud (RS 422/485, option Q)

Other RF Connector BNC (female), 50 

IF Connector BNC (female), 75 

10 MHz Connectors BNC (female), 75(option E)

Alarm/Remote Conn. DB9 - NO or NC contact closure on Alarm

Size 19 inch, 1RU standard chassis 1.75”high X 16.0” deep

Power 100-240 ±10% VAC, 47-63 Hz, 45 watts max

Options

E Allows ext. 10 MHz ref input, 10 MHz ref can be inserted on the RF in

H High Stability (± 0.01 ppm) internal reference

Q RS-422/485 remote capability

X 125 kHz frequency steps

W1 Output Level Detector

5 500 kHz frequency steps

Connector options See TABLE 2.2

*+10˚C to +40˚C; Specifications subject to change without notice

2016-26 Manual, Rev. A Page 4 2/2/09

1.3 Monitor and Control Interface

A) Remote serial interface

Protocol: RS-232C, 9600 baud rate, no parity, 8 data bits, 1 start bit, and 1 stop bit.

(RS-232C, RS-422, or RS-485 - Option-Q)

Female DB-9

PC Com Port Male DB-9

2015/16/17 M&CPort

M&C Cable Diagram - Cross Technologies Frequency Converters

Connector: Rear panel, DB-9 male

J10 Pinouts (RS-232C/422/485)

Pin Function

1Rx-

2 Rx+ (RS-232C)

3 Tx+ (RS-232C)

4Tx-

5GND

6 Alarm Relay: Common

7 Alarm Relay: Normally Open

8NotUsed

9 Alarm Relay: Normally Closed

2016-26 Manual, Rev. A Page 5 2/2/09

B) Status Requests

Table 1.1 lists the status requests for the 2016-34 and briefly describes them.

*PLEASE NOTE: The two character {aa}(00-31) prefix, in the table below,

should be used ONLY when RS-485, (OPTION-Q), is selected.

TABLE 1.1 2016-26 Status Reequests

TABLE 1.1 2016-26 Status Requests

Command Syntax* Description

Command Status {aaS1} Returns {S1bbbbccIA} where:

• bbbb = Rx frequency (4 characters) OR

• bbbbb = Rx frequency (5 characters, option 5) OR

• bbbbbbb = Rx frequency (7 characters, option X)

• cc = Rx gain

• I = 0 - non-inverted Receiver; I = 1 - inverted

• A = Summary Alarm; 1=Alarmed, 0=Normal

10MHz Ref Status {aaS2} Returns {S2E} where:

(option E only)

• E = 1 - external 10 MHz switched in

2016-26 Manual, Rev. A Page 6 2/2/09

C) Commands

Table 1.2 lists the commands for the 2016-27 and briefly describes them. After a command is sent the 2016-27

sends a return “>” indicating the command has been received and executed.

General Command Format - The general command format is {aaCND...}, where:

{ = start byte

aa = address (RS-485 only - option -Q)

C = 1 character, either C (command) or S (status)

N = 1 character command or status request

D = 1 character or more of data (depends on command)

} = stop byte

*PLEASE NOTE: The two character {aa}(00-31) prefix, in the table below,

should be used ONLY when RS-485, (OPTION-Q), is selected.

Table 1.2 2016-26 Comman

Table 1.2 2016-26 Commands

Command Syntax* Description

Set Receiver Frequency {aaC2xxxx} where:

• xxxx = 4 characters (1 MHz steps)

• xxxxx = 5 characters (option 5, 0.5 MHz steps)

• xxxxxxx = 7 characters (option X, 125 kHz steps)

• Range: 2000 to 2500 MHz

Set Receiver Gain {aaC4xx} where:

• xx = 2 characters

• Range: 00 to 50 (0 dB to +50 dB, in 1 dB steps)

Enable Spectrum Invert {aaC7x} where x =:

• 0 to disable spectrum invert

• 1 to enable spectrum invert

Enable External 10MHz IN {aaCEx} where x =:

(option E only)

• 0 to disable External 10MHz ref signal

• 1 to enable External 10MHz ref signal

Enable Remote # Just # sign

Disable Remote {aaCR0} {CR and zero}

2016-26 Manual, Rev. A Page 7 2/2/09

2.0 Installation

2.1 Mechanical

The 2016-26 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 2016-26 can be

secured to a rack using the 4 holes on the front panel. Figure 2.1 shows how the 2016-26 is assembled.

POWER

SUPPLY

FIGURE 2.1 Model 2016-26 Downconverter Assembly

2016-26 Manual, Rev. A Page 8 2/2/09

2.2 Rear Panel Input/Output Signals - Figure 2.2 shows the input and output connectors on the rear panel.

GND

J18

10 MHZ REF

OUTPUT

J10

AND

MONITOR

CONTROL

J10 - MONITOR AND CONTROL

DB9 female connector.

See Table 2.1.

MHZ

EXT

REF

J1 - IF OUT A

140 MHz, -20 dBm output. 75, BNC

(female) - See Table 2.2 for other options.

INPUT

J2 - RF IN

2000-2500 MHz, -70 to -20 dBm

input. 50, BNC (female) - See

Table 2.2 for other options.

J3 - 10 MHz EXT REF INPUT (option E)

10 MHz external reference input, 0 ± 3 dBm,

75 BNC female connector.

J18 - 10 MHz REF OUTPUT (option E)

10 MHz reference output, 0 ± 3 dBm.

75 BNC female connector.

AC - POWER IN

AC input for switching power supply.

100-240 ±10% VAC, 47-63 Hz.

IF OUT A

RF IN

51234

9678

FIGURE 2.2 2016-26 Downconverter Rear Panel Inputs/Outputs

Table 2.1 J10 Pinouts (RS-485/RS-422/RS-232C)*

Pin Description

1Rx-

2 Rx+ (RS-232C)

3 Tx+ (RS-232C)

4Tx-

5 Ground

6 Alarm Relay - Common

7 Alarm Relay - Normally Open

8 Output Level Detector, 0 to +5 VDC (option W1 ONLY)

9 Alarm Relay - Normally Closed

*Interface: DB-9 Female; Protocol: RS-485, RS-422, or RS-232C (selectable), 9600 baud rate,

no parity, 8 data bits, 1 start bit, 1 stop bit

TABLE 2.2

IF/RF Connector Options

TABLE 2.2 IF/RF Connector Optionns

TABLE 2.2 IF/RF Connector Options

Option IF RF

STD BNC, 50BNC, 50

BNC, 75BNC, 75

BNC, 50BNC, 50

BNC, 75Type N, 50

BNC, 50Type N, 50

SMA, 50SMA, 50

Option W1 Level Detector - Provides 0 to +5 VDC level indication for -60 to -30 dBm 140 MHz output.

The DC voltage comes out on pin 8 of the DB9 connector, J10, with pin 5 being ground. The impedance of

the 0 to +5 VDC level indication signal is 1k. The relation between the change in output level and the

change in DC voltage is linear.

2016-26 Manual, Rev. A Page 9 2/2/09

2.3 Front Panel Controls and Indicators - The following are the front panel controls and indicators.

EXECUTE

F = 2050 G = +10.0

REMOTE POWER

LCD DISPLAY

Display shows frequency in MHz and Gain

in dB, and is used to change settings in

Program mode.

S1 - MENU/EXECUTE BUTTON

Press this to get into Program mode

and to execute any changes.

DS6 - POWER LED

Green LED indicates

presence of DC power.

DS1 - REMOTE LED

Yellow LED indicates

remote operation.

S2 - VERT. TOGGLE

Vertical toggle switch that controls

values in the Menu items when in

program mode. Does not function in

the normal display mode.

S3 - HORIZ. TOGGLE

Horizontal toggle switch that

controls which values are being

adjusted. Does not function in the

normal display mode.

ALARM

DS3 - ALARM LED

Red LED indicates

downconverter alarm.

FIGURE 2.3 2016-26 Front Panel Controls and Indicators

2016-26 Manual, Rev. A Page 10 2/2/09

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