Quonset microwave Qm1014 User manual

Quonset Microwave

www.quonsetmicrowave.com

QM1014

LO Synthesizer Distribution Unit

User Manual

Revision 1.2.1, February 2022

QM1014 LO Synthesizer Distribution Unit User Manual

Notices

No part of this manual may be repro-

duced in any form or by any means

(including electronic storage and re-

trieval or translation into a foreign

language) without prior permission

and written consent from Quonset

Microwave as governed by United

States and international copyright

laws.

Manual Part Number

1014-001-21

Edition

Revision 1.2.1, February 2022

Printed in the USA

Quonset Microwave

315 Commerce Park Road

Unit 3

North Kingstown, RI 02852 USA

Warranty

The material contained in this docu-

ment is provided "as is," and is sub-

ject to be changed, without notice, in

future editions. Further, to the maxi-

mum extent permitted by applicable

law, Quonset Microwave disclaims

all warranties, either expressed or

implied, with regard to this man-

ual and any information contained

herein, including but not limited to the

implied warranties of merchantability

and ﬁtness for a particular purpose.

Quonset Microwave shall not be li-

able for errors or incidental or conse-

quential damages in connection with

the furnishing, use, or performance

of this document or of any informa-

tion contained herein. Should Quon-

set Microwave and the user have a

separate written agreement with war-

ranty terms covering the material in

this document that conﬂict with these

terms, the warranty terms in the sep-

arate agreement shall control.

Technology Licenses

The hardware and/or software de-

scribed in this document are fur-

nished under a license and may be

used or copied only in accordance

with the terms of such license.

Restricted Rights Legend

U.S. Government Restricted Rights.

Software and technical data rights

granted to the federal government

include only those rights customar-

ily provided to end user customers.

Quonset Microwave provides this

customary commercial license in

Software and technical data pur-

suant to FAR 12.211 (Technical

Data) and 12.212 (Computer Soft-

ware) and, for the Department of De-

fense, DFARS 252.227-7015 (Tech-

nical Data - Commercial Items) and

DFARS 227.7202-3 (Rights in Com-

mercial Computer Software or Com-

puter Software Documentation).

Safety Notices

CAUTION

ACAUTION notice denotes a haz-

ard. It calls attention to an operat-

ing procedure, practice, or the like

that, if not correctly performed or ad-

hered to, could result in damage to

the product or loss of data. Do not

proceed beyond a CAUTION notice

until the indicated conditions are fully

understood and met.

WARNING

A WARNING notice denotes a haz-

ard. It calls attention to an oper-

ating procedure, practice, or the

likes that, if not correctly per-

formed or adhered to, could result

in personal injury or death. Do not

proceed beyond a WARNING no-

tice until the indicated conditions

are fully understood and met.

Quonset Microwave Revision 1.2.1 i

QM1014 LO Synthesizer Distribution Unit User Manual

Restricted Rights Legend

The Software and Documentation have been developed entirely at private expense. They are delivered

and licensed as "commercial computer software" as deﬁned in DFARS 252.227-7013 (Oct 1988), DFARS

252.211-7015 (May 1991), or DFARS 252.227-7014 (Jun 1995), as a "commercial item" as deﬁned in FAR

2.101(a) or as "restricted computer software" as deﬁned in FAR 25.227-19 (Jun 1987) (or any equivalent

agency regulation or contract clause), whichever is applicable.The End User has only those rights pro-

vided for such Software and Documentation by the applicable FAR or DFARS clause or the Quonset

Microwave standard software agreement for the product involved.

General Warranty

The material contained in this document is provided "as is," and is subjected to being changed, without

notice, in future editions. Further, to the maximum extent permitted by applicable law, Quonset Microwave

disclaims all warranties, either expressed or implied with regard to this manual and any information con-

tained herein, including but not limited to the implied warranties of merchantability and ﬁtness for a partic-

ular purpose. Quonset Microwave shall not be liable for errors or for incidental or consequential damages

in connection with the furnishing, use, or performance of this document or any information contained

herein. Should Quonset Microwave and the user have a separate written agreement with warranty terms

covering the material in this document that conﬂict with these terms, the warranty terms in the separate

agreement shall control. Duration and conditions of warranty for this product may be superseded when

the product is integrated into (becomes part of) other Quonset Microwave products. During the warranty

period, Quonset Microwave will, at its option, either repair or replace products which prove to be defective.

The warranty period begins on the date of delivery or on the date of installation if installed by Quonset

Microwave.

Product Safety

The following general safety precautions must be observed during all phases of operation of this device.

Failure to comply with these precautions or with speciﬁc warnings elsewhere in this manual violates

safety standards of design, manufacture, and intended use of this device. Quonset Microwave assumes

no liability for the customer’s failure to comply with these requirements.

Safety Notices

CAUTION

ACAUTION notice denotes a hazard. It calls attention to an operating procedure, practice, or the like

that, if not correctly performed or adhered to, could result in damage to the product or loss of data. Do

not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met.

WARNING

A WARNING notice denotes a hazard. It calls attention to an operating procedure, practice, or the

likes that, if not correctly performed or adhered to, could result in personal injury or death. Do not

proceed beyond a WARNING notice until the indicated conditions are fully understood and met.

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QM1014 LO Synthesizer Distribution Unit User Manual

Personal Safety Considerations

This is a Safety Class I product (provided with a protective earthing ground incorporated in the power

cord). The mains plug shall only be inserted in a socket outlet provided with a protective earth contact.

Any interruption of the protective conductor, inside or outside the product, is likely to make the product

dangerous. Intentional interruption is prohibited. If this product is not used as speciﬁed, the protection

provided by the equipment could be impaired. This product must be used in a normal condition (in which

all means of protection are intact) only.

No operator serviceable parts inside. Refer servicing to qualiﬁed personnel. To prevent electrical shock,

do not remove covers. For continued protection against ﬁre hazard, replace the line fuse(s) only with

fuses of the same type and rating (for example, normal blow, time delay, etc.). The use of other fuses or

material is prohibited.

General Safety Information

The following general safety precautions must be observed during all phases of operation of this prod-

uct. Failure to comply with these precautions or with speciﬁc warnings elsewhere in this manual or any

manual associated with this product violates safety standards of design, manufacture, and intended use

of the product. Quonset Microwave assumes no liability for the customer’s failure to comply with these

requirements.

WARNING

BEFORE APPLYING POWER TO THIS PRODUCT OR MAKING ANY CONNECTIONS TO THIS PROD-

UCT ensure that all instruments are connected to the protective (earth) ground. Any interruption

of the protective earth grounding will cause a potential shock hazard that could result in personal

injury or death.

CAUTION

∙Use this device with the cables provided.

∙Do not attempt to service this device. This device should be returned to Quonset Mi-

crowave for any service or repairs.

∙Do not open the device.

User Environment

This instrument is designed for indoor use only.

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QM1014 LO Synthesizer Distribution Unit User Manual

Markings

The following markings may appear on the equipment or in any related documentation.

ESD Sensitive

This marking indicates that a device, or part of a device, may be susceptible

to electrostatic discharges (ESD) which can result in damage to the product.

Observed ESD precautions given on the product, or in its user documentation,

when handling equipment bearing this mark.

Part 15

This marking indicates that the device complies with applicable sections of part

15 of the FCC rules.

This marking indicates that the device conforms with applicable EC directives.

This marking indicates that the device complies with the Virtual Instrument Soft-

ware Architecture (VISA) speciﬁcation.

This marking indicates that the device complies with the Standard Commands

for Programmable Instrumentation (SCPI) speciﬁcation.

This marking indicates that the device complies with the USB Test & Measure-

ment Class (USBTMC) and the USB 488 subclass speciﬁcations.

This marking indicates that the device communicates over the Universal Serial

Bus (USB).

This marking indicates that the device communicates over Ethernet.

Quonset Microwave Revision 1.2.1 iv

QM1014 LO Synthesizer Distribution Unit User Manual

Revision Control

Revision Description of Changes Date

0.0.0 Initial Release 10/14/2021

0.1.0 Updated Firmware Updates chapter 10/22/2021

0.2.0 Updated Reference Input Power Level 11/09/2021

Changed LO2 Input to Output in I/O Speciﬁcations

1.1.0 Updated I/O Speciﬁcations 11/22/2021

Updated Firmware Updates chapter

Updated Windows Control GUI chapter

1.2.0 Added FREQ:LO1 and FREQ:LO2 commands 12/23/2021

Fixed incorrect FREQ:TUNE range error

1.2.1 Updated FREQ:LO1 and FREQ:LO2 commands 02/07/2022

Updated Firmware Updates chapter

Quonset Microwave Revision 1.2.1 v

QM1014 LO Synthesizer Distribution Unit User Manual

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QM1014 LO Synthesizer Distribution Unit User Manual

Contents

Notices .................................................. i

Manual Part Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

Edition............................................. i

Warranty............................................ i

Technology Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

Restricted Rights Legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

Safety Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

Restricted Rights Legend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii

General Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii

ProductSafety .............................................. ii

SafetyNotices ............................................ ii

Personal Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

General Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

User Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Markings ............................................... iv

Revision Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

1 Overview 2

1. Input/Output Speciﬁcations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2. General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3. System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 Firmware Updates 6

1. Introduction.............................................. 7

2. Firmware Update Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3. PIC Firmware Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 Remote Operation 10

1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.1 USB Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2 Command Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.1 Mnemonic Forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.2 Using a Semicolon(;) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.3 Using Whitespace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.4 Using "?" Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.5 Using "*" Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.3 Diagram Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.4 Default Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.5 Status Reporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.6 SCPI Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

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QM1014 LO Synthesizer Distribution Unit User Manual

1.6.1 <boolean>Deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.6.2 <character_data>Deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.6.3 <NAN>Deﬁnition................................... 14

1.6.4 <non-decimal numeric>Deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.6.5 <NRf>Deﬁnition ................................... 14

1.6.6 <NR1>Deﬁnition................................... 14

1.6.7 <NR2>Deﬁnition................................... 14

1.6.8 <NR3>Deﬁnition................................... 15

1.6.9 <numeric_value>Deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.6.10 <string>Deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.7 Input Message Terminators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.8 Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.8.1 IEEE-488.2 Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.8.2 USBTMC Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.8.3 VISA Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2. VISA Descriptors and Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.1 USBTMC ........................................... 17

2.1.1 VISA Descriptors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.1.2 USBTMC VISA Code Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4 Control Commands 18

1. Command Quick Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.1 Common (*) Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.2 FREQuency Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.3 POWEr Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

1.4 STATus Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

1.5 SYSTem Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2. FREQuency Subsystem Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.1 FREQuency:LO1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.2 FREQuency:LO2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.3 FREQuency:LOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

2.4 FREQuency:TUNE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.5 FREQuency:TUNErACTual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

2.6 FREQuency:LO1:LOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.7 FREQuency:LO2:LOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.8 FREQuency:REFerence:EXTernal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3. POWEr Subsystem Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.1 POWEr:RF .......................................... 31

4. STATus Subsystem Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

4.1 STATus:OPERation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

4.2 STATus:OPERation:CONDition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

4.3 STATus:OPERation:ENABle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

4.4 STATus:PRESet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

4.5 STATus:QUEStionable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

4.6 STATus:QUEStionable:CONDition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

4.7 STATus:QUEStionable:ENABle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

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QM1014 LO Synthesizer Distribution Unit User Manual

5. SYSTem Subsystem Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

5.1 SYSTem:BOOTstate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

5.2 SYSTem:CURRent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

5.3 SYSTem:ERRor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

5.4 SYSTem:FIRMware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

5.5 SYSTem:LOADstate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

5.6 SYSTem:READstate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

5.7 SYSTem:SAVEstate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

5.8 SYSTem:SERialNUMber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

5.9 SYSTem:USBPID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

5.10 SYSTem:VERSion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

6. IEEE 488.2 Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.2 *CLS.............................................. 53

6.3 *ESE <NRf>......................................... 54

6.4 *ESR?............................................. 55

6.5 *IDN? ............................................. 56

6.6 *OPC ............................................. 57

6.7 *RCL <NRf>......................................... 58

6.8 *RST.............................................. 59

6.9 *SAV <NRf>......................................... 60

6.10 *SDS <NRf>......................................... 61

6.11 *SRE <NRf>......................................... 62

6.12 *STB? ............................................. 63

6.13 *TST? ............................................. 64

6.14 *WAI.............................................. 65

5 Windows Control GUI 66

1. Overview............................................... 67

Index 67

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QM1014 LO Synthesizer Distribution Unit User Manual

List of Tables

1.1 Input/Output Speciﬁcations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.1 PIC Firmware Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.2 Default Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1 Common (*) Commands Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.2 FREQuency Subsystem Commands Summary . . . . . . . . . . . . . . . . . . . . . . . . 21

4.3 POWEr Subsystem Commands Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.4 STATus Subsystem Commands Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.5 SYSTem Subsystem Commands Summary . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4.6 Error Codes and Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

4.7 IEEE 488.2 Common commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4.8 *ESE bit mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

4.9 *ESR? mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

4.10 *OPC mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

4.11 *SRE bit mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

4.12 *STB? mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

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QM1014 LO Synthesizer Distribution Unit User Manual

List of Figures

1.1 QM1014 LO Synthesizer Distribution Unit system . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 QM1014 LO Synthesizer Distribution Unit Block Diagram . . . . . . . . . . . . . . . . . . . 5

2.1 Supported PIC Programmers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2 CCSLOAD: PIC Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.1 Windows® Control GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Quonset Microwave Revision 1.2.1 1

QM1014 LO Synthesizer Distribution Unit User Manual

Overview

In This Chapter

1. Input/Output Speciﬁcations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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QM1014 LO Synthesizer Distribution Unit User Manual

1. Input/Output Speciﬁcations

Table 1.1: Input/Output Speciﬁcations

Parameter Min Typ Max Unit

External Reference Input*

Frequency 10 MHz

Power Level 4 10 16 dBm

10 MHz Reference Output

Frequency 10 MHz

Power Level 5 dBm

Type: Sine Wave

External LO1 Output

Frequency

𝑓𝑇 𝑢𝑛𝑒 < 1.05 GHz 𝑓𝑇 𝑢𝑛𝑒 + 9.5 GHz

1.05 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 1.45 GHz 𝑓𝑇 𝑢𝑛𝑒 + 10.0 GHz

1.45 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 2.85 GHz 𝑓𝑇 𝑢𝑛𝑒 + 9.5 GHz

2.85 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 3.05 GHz 𝑓𝑇 𝑢𝑛𝑒 + 10.0 GHz

3.05 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 4.55 GHz 𝑓𝑇 𝑢𝑛𝑒 + 9.5 GHz

4.55 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 4.85 GHz 𝑓𝑇 𝑢𝑛𝑒 + 10.0 GHz

4.85 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 5.85 GHz 𝑓𝑇 𝑢𝑛𝑒 + 9.5 GHz

𝑓𝑇 𝑢𝑛𝑒 ≥5.85 GHz 𝑓𝑇 𝑢𝑛𝑒 + 10.0 GHz

Power Level -5 dBm

External LO2 Output

Frequency

𝑓𝑇 𝑢𝑛𝑒 < 2.85 GHz 12.0 GHz

2.85 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 3.05 GHz 12.5 GHz

3.05 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 4.55 GHz 12.0 GHz

4.55 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 4.85 GHz 12.5 GHz

4.85 GHz ≤𝑓𝑇 𝑢𝑛𝑒 < 5.85 GHz 12.0 GHz

𝑓𝑇 𝑢𝑛𝑒 ≥5.85 GHz 12.5 GHz

Power Level 0 dBm

* NOTE: The external reference must be blocked or held at 0V DC. DC bias not allowed and not blocked

internally.

Quonset Microwave Revision 1.2.1 3

QM1014 LO Synthesizer Distribution Unit User Manual

2. General Description

The QM1014 is a LO Synthesizer Distribution Unit housed in a 1U box. The QM1014 is controlled either

through the onboard USB or TCP/IP connection. The QM1014 delivery kit contains a user manual, power

supply, and USB A-

B cable. A model of the QM1014 is shown below in Fig. 1.1.

Figure 1.1: QM1014 LO Synthesizer Distribution Unit system

The QM1014 LO Synthesizer Distribution Unit provides four LO1 outputs and four LO2 outputs, suitable

for driving QM1013-102 Dual Channel RF Upconverter Units. The Local Oscillators (LOs) in the QM1014

are locked to a common internal 10 MHz reference. The user has the option of supplying their own

reference through the BNC connector located on the back panel of the QM1014.

Quonset Microwave Revision 1.2.1 4

QM1014 LO Synthesizer Distribution Unit User Manual

3. System Block Diagram

A System block diagram for the QM1014 LO Synthesizer Distribution Unit is shown in Figure 1.2. The

microcontroller outputs basic status messages on a 32-character Liquid Crystal Display (LCD) mounted

on the faceplate of the unit. An internal 10 MHz reference clock is phase-locked to all of the internal

LOs, with a BNC-F connector providing the option for LOs to lock to a user-provided 10 MHz external

reference. An additional BNC-F connector forwards the 10 MHz reference back out for use by external

test equipment.

Figure 1.2: QM1014 LO Synthesizer Distribution Unit Block Diagram

Quonset Microwave Revision 1.2.1 5

QM1014 LO Synthesizer Distribution Unit User Manual

Firmware Updates

In This Chapter

1. Introduction..............................................

2. Firmware Update Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. PIC Firmware Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Quonset Microwave Revision 1.2.1 6

QM1014 LO Synthesizer Distribution Unit User Manual

1. Introduction

The QM1014 LO Synthesizer Distribution Unit is continually being improved and may require ﬁrmware

updates to correct problems in previous ﬁrmware versions or to add new features that were not yet im-

plemented in previous ﬁrmware versions. Table 2.1 details Firmware Revisions that have been released

and which features they ﬁxed or introduced.

Table 2.1: PIC Firmware Revision History

PIC Firmware Version Reason To Update

v0.3.0 N/A (Initial release)

v1.0.0 Fixes an issue with user states

v1.1.0 Fixes USB enumeration issue

Adjusts frequency plan

v1.2.0 Added FREQ:LO1 and FREQ:LO2 override

commands

v1.2.1 Opened range of input for FREQ:LO1 and

FREQ:LO2 commands

2. Firmware Update Files

The required ﬁles to perform ﬁrmware updates are uploaded onto the Quonset Microwave FTP server

and need to be downloaded and extracted to a location on the computer performing the update prior to

continuing.

Firmware updates can be obtained by clicking the following link and navigating to the download link in the

Software tab:

http://www.quonsetmicrowave.com/QM104-p/qm1014.htm

The zip ﬁles contain the necessary ﬁles required to perform the ﬁrmware updates. PIC Firmware Updates

require *.hex ﬁles.

All ﬁrmware updates are applied with the QM1014 powered on.

Quonset Microwave Revision 1.2.1 7

QM1014 LO Synthesizer Distribution Unit User Manual

3. PIC Firmware Updates

The QM1014 uses a Microchip Tehcnology, Inc. PIC32MZ2048EFH144 processor. The PIC ﬁrmware

update process is done using an In-Circuit Serial Programmer (ICSP) with an RJ-12 connection. The

following ﬁgure lists the currently supported programmers.

Figure 2.1: Supported PIC Programmers

An updated list of devices supported can be found in the MPLAB installation directory (typically C:∖Program

Files∖Microchip∖MPLABX∖vX.XX∖docs∖Device Support.htm where X.XX is the MPLAB version number

installed).

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QM1014 LO Synthesizer Distribution Unit User Manual

The PIC ﬁrmware update process documented below is performed using a Custom Computer Services,

Inc. (CCS) ICD-U64 Debugger/Programmer. The ICD-U64 from CCS includes the CCSLOAD free pro-

grammer control software, which is used to load the update. The update can also be performed using

Microchip’s MPLAB X IPE or any supported programmer’s native software.

Figure 2.2: CCSLOAD: PIC Programming

After opening CCSLOAD, simply click the Open File icon and select the QM1014_v1.0.0.hex ﬁle. The

PIC32MZ version currently also requires additionally selecting the Device ﬁeld, which opens the Select

Target Device dialog, where the PIC32MZ2048EFH144 device must be selected. Once properly setup,

select the ’Write to Chip’ icon. After programming, close

CCSLOAD to run the new ﬁrmware version.

Quonset Microwave Revision 1.2.1 9

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