Wavetek 3HRV User Manual download pdf

he Stealth Digital Analyzer (SDA) prod-

uct family offers a true “One-Box” solu-

tion for HFC network testing and

deployment of digital video, data, and tra-

ditional analog services. While preserving

the rugged design and industry standard RF

sweep technique of its Stealth Sweep

System predecessor, the SDA series now

adds test features to qualify the network for

today’s high growth subscriber services.

"Find and Fix" tools are included that

reduce technician time for the most labor

intensive maintenance and troubleshooting

assignments, like tracking down reverse

ingress, optical node alignment, proof-of-

performance testing and return path align-

ment. For these demands, the SDA pro-

vides advanced QAM analysis (optional), a

powerful 5-1,000 MHz spectrum display

with cable modem analysis (Zero Span),

PathTrak Field View, and full forward and

reverse sweep capability. And with the ver-

satile combination of standard and option-

al features, the SDA can be customized for

both the cable operator’s network technolo-

gy level and budget.

Why Sweep is the

Right Solution

The majority of all transmission

errors (including digital) are

found by measuring the fre-

quency response of the network. Every

physical error in the network that influ-

ences the transmitted signals will be

revealed in the sweep trace. This means

the sweep results are independent of

transmission methods and formats.

The goal is to transmit all signals with the

best noise specifications and the lowest

intermodulation distortion. Sweep is the

most effective and efficient tool to show

the best compromise between the two. In

other words, sweep helps you to setup the

right gain versus frequency.

Normalized Sweep. To ensure that network

specifications are maintained, starting from

the headend to the subscriber, each section

of the network has its own set of specifica-

tions. A normalized sweep divides the net-

work into easy manageable sections. Each

network section can be designated to an indi-

vidual team or contractor, with its own set of

specifications and quality requirements.

! Forward sweep display revealing severe

problems at the low frequency end.

The SDA series uses a variation of the orig-

inal Stealth Sweep technology. Existing

video carriers (analog, digital, or scram-

bled) are referenced when possible, elimi-

nating any possibility of interference to the

subscriber services. Where carriers are

absent, the SDA-5500 Transceiver at the

headend transmits a sweep to fill vacant

spectrum areas. To remove effects of head-

end level drift, the SDA-5500 Transceiver

monitors the levels and transmits new ref-

erence information with every sweep. This

means if the signal levels are changing in

the headend, they won't effect the sweep

response measurement. The SDA-5500

Transceiver has all of the measurement

capability of the SDA-5000 Receiver, there-

fore the Headend Technician can keep an

eye on headend levels.

WWG SDA-5000

Stealth Digital Analyzer

• Digital Ready, Non-

Interfering,

Continuously

Referenced Sweep

• Forward and Reverse

Sweep in One Hand-

Held Instrument

• Optional QAM View

Provides Complete

Analysis of Digital TV

and Forward Cable

Modem Signals

> Pre/Post FEC BER

> MER

> Constellation

> Exclusive "Ingress

Under the Carrier"

• Fast, Sensitive

Spectrum Analyzer

• Cable Modem

Analysis Using Zero

Span Mode Provides

Accurate, In-service,

Power and C/N

Measurements

• PathTrak Field View

Option Quickly

Pinpoints Return Path

Noise / Ingress

• Automated 24 Hour

Proof-of-Performance

According to FCC and

CENELEC Standards

• International

Language

• Rugged, Weather

Resistant and

Lightweight

1 2 3 4 5 6 ... 11 12

Summary of Contents

Page 1 - WWG SDA-5000

The Stealth Digital Analyzer (SDA) prod-uct family offers a true “One-Box” solu-tion for HFC network testing anddeployment of digital video, data, and

Page 2 - Preparing the Network

Spectrum ModeSpans . . . 3, 5, 10, 20, and 50 MHz (0.3, 0.5, 1, 2, and 5 MHz/div.)Sweep Rates. . . . . . . . . ~1 second updates with spans of 50, 20

Page 3 - "One Box" Solution

GeneralDisplay. . . . . . . . . . 320x240 dot matrix LCD, selectable back lightSDA-5000 onlyDimensions . . . . . . . . . . . . . . . . . . . . . . . .

Page 4 - Technicians to Learn Fast

Channel Bandwidth8 MHz (OPT 4A); 6 MHz (OPT 4B)Zero Span Spectrum(Standard Feature - See SDA-5000 specifications)Graphic DisplayDigital summary (inclu

Page 5 - Comprehensive Testing

The SDA series also offers significantlyfaster forward sweep speed, especially insystems that include many digital signals.The SDA is capable of refer

Page 6

Seeing Headend/Hub-Site AccumulatedIngress in the Field. The reverse noisefeature of the SDA-5000 enables easyreverse path noise testing. The operator

Page 7 - Materials Available:

! Reverse alignment mode prepares networkfor cable modem deployment.Detecting Ingress in the Field.The operator looks at theingress present at the fie

Page 8 - Application Features

! The Navigator user interface, common onall WWG meters.Comprehensive Testing The SDA provides an extensive set of sig-nal analysis features designed

Page 9 - Ordering Information

! Limit checks can be instantly viewed afteridentifying channel of interest with a marker inscan mode display.Carrier-to-Noise Measurement:In-Service.

Page 10 - Specifications

Extensive Automated Test Capability Automated tests can be scheduled to per-form either 24-hour FCC compliancetests, or initiated immediately to log p

Page 11

APPLICATION FEATURE SDA-5000 SDA-5500 SDA-5510Full frequency response testing Forward Sweep using ••headend transmission Reverse path alignment for R

Page 12

Model SDA-5000:Forward and reverse sweep field receiver with advanced signal analysis. Compatible with older Stealth unitsrunning firmware version 9.3

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