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Misc. Test Equipment

Tektronix 1705A

TEKTRONIX / 1705A
Image shown doesn't reflect the condition of the equipment and is for illustrative purpose only.


BCS Price: $6,945.25
($222.80/mo.)
Item #:EQ509083U
Condition:USED
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Model Description:
Spectrum Monitor

Model Details

Applications:

Identification of Satellites/Transponders in OB Vans
Monitor Satellite Spectrum at Downlink Facilities
The 1705A is a compact, specialized spectrum monitor designed for operators of portable television earth stations to adjust transmission equipment and to correctly access geostationary satellites operated by public and private communications organizations.The 1705A offers expanded capabilities for observing the 850 MHz wide frequency band used by international satellite carriers.
1705A Flow Menu

Dual Band Operation
Separate signal inputs allow connection to the two primary signals of interest in a television uplink/downlink system.A 45-100 MHz band allows observation of the television exciter at the 70 MHz IF monitoring point for a check of video deviation and aural sub carrier injection.A 950-1800 MHz band, with a separate RF input, allows observation of the full satellite downlink spectrum as down converted by the antenna-mounted, low-noise block down converter (not supplied).The input levels available in typical satellite television systems match the input sensitivity of the 1705A without need for operator adjustable input attenuators.

In addition to a span of the full spectrum in each band, the 1705A allows a selection of narrow spans and resolution filters for observation of individual satellite transponders, the video FM modulation envelope, or associated audio carriers.

Using the 1705A, the operator can quickly identify the assigned satellite and transponder and correctly adjust the direction and polarization of the portable uplink/downlink antenna.Precise antenna pointing is facilitated by a selectable 2 dB or 10 dB per major division vertical screen sensitivity with vertical position control.

Compact Size
The 1705A is unique in size, shape and utility.8.5 in. (215.9 mm) wide and 5.25 in. (133.4 mm) high, it fits into a standard Tektronix dual half-rack WFM7F05 Option OO cabinet, along with a matching 1700 Series waveform, vector or combination monitor

Microprocessor Control
A menu selected readout offset allows on-screen indication of the Ku-band or C-band satellite operating frequency in steps of 10 MHz.The offset may be set for local oscillators operating above or below the received signal.The status of all front panel buttons is stored when power is removed and all modes are restored on power-up, ready for quick operation.Function indicators are lighted for visibility in television operating environments.

RF Spectrum Display
Span per division, resolution bandwidth and display video bandwidth may be selected for full satellite, transponder or discrete carrier display.The band of interest is highlighted in the full span mode, with frequency indicated as an alphanumeric readout.In 10 MHz, 1 MHz and 100 kHz span/div modes, the readout indicated the frequency of the spectrum displayed directly under the cursor.

A CENTER FREQUENCY control marks the display in full span and moves the spectral view through the entire selected band in narrower spans.



1705A Rear Panel

Bright, Full Size CRT Display
The signal is displayed on a bright, mesh type CRT with internal graticule to eliminate parallax.Variable graticule illumination improves readability under difficult conditions.The display is a full 8 x 10 cm and the bezel accepts camera and viewing hood options designed for Tektronix 1700 Series monitors.
Designed for Rugged Use
The 1705A spectrum monitor is designed to provide reliable operation in portable news gathering applications.The 1705A is built to withstand extremes of temperature, altitude and vibration.Its small size provides a freedom of system design critical in the rapidly changing television news enviroment.



Features:

  • Full 850 MHz Span for International Satellites
  • L-Band and 70 MHz IF Inputs
  • Designed for Satellite News Gathering
  • Easy, Reliable Operation
  • Cost-effective
  • On-screen Ku- or C-band Frequency Readout
  • On-screen Setup Menu
  • Selectable 2 dB/div or 10 dB/div Sensitivity
  • Resolution Bandwidth Switchable to 10 kHz or 300 kHz
  • Span Range and Video Filter Selection
  • Bright, Clear Display


  • Additional Information

    1705A.pdf
    1705A_man.pdf

    Get Adobe PDF Reader

    Notes

    *An "N" after the item# denotes a NEW item. A "U" denotes a USED item.
    *Prices reflect a 3% cash discount
    *Please confirm your contact and shipping information is correct
    *All prices are based on cash payment
    *All preferred shopper prices are good until the end of the month
    *Orders taken after business hours will be processed the next business day
    *Service contracts available for extra charge
    *Lease Prices are based on a 36 month lease
    *All shipping is UPS ground service unless otherwise requested

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