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1735 HD Front Panel, 3-Channel
display.
Features
Specs
Ordering Information
Multi-format High Definition
Waveform Monitor
1735 HD
Features And Benefits
HDTV Sweep Speeds●
Full 30 MHz Analog Video Bandwidth●
Six Video Input Channels●
Parade and Overlay Displays●
Half Rack Width●
Complete Line Select●
Accepts Tri-level Sync●
On-screen Readouts●
Applications
Analog High-definition Video Monitoring for
Broadcast or Medical Applications
●
The Tektronix 1735 HD is a multi-standard, wide bandwidth,
television waveform monitor developed in support of high
definition television production formats.
Selectable Operating Formats
In addition to high definition production formats, the 1735
HD provides monitoring capabilities in 525 line/60 field and
625 line/50 field signal standards. The 1735 HD accepts
tri-level or traditional bilevel synchronizing signals.
Multiple Wideband Inputs
Six wide-bandwidth input channels are provided for
monitoring composite or component signals. New input
amplifiers provide flat frequency response and excellent
return loss characteristics through 30 MHz.
Input signal processing provides a choice of DC restoration
or an unclamped display. Inputs may be referenced to
ground. One signal may be displayed in a dual filter mode,
with one line or field low pass filtered and one unfiltered.
When two or three different input signals are displayed, the
second and third may be offset from the first to allow
accurate comparison.
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Accurate Timing Measurements
To facilitate timing measurements in the critical high
definition environment, up to three signals may be presented
side by side or overlaid. A channel subtraction mode allows
timing comparison using the Bowtie signal. Calibrated
timing is facilitated by a versatile horizontal magnifier.
Full Line Select
Full frame line select, with on-screen readout of line number,
is provided in each television line/field format. The line to be
displayed may be selected at the front panel and a predefined
line may be easily recalled. The selected line is intensified in
the field rate display and on the picture monitor output. A
companion 1720 Series Vectorscope may be connected to
display a vector presentation of a selected line or the full
field signal in composite (NTSC or PAL) applications.
Microprocessor Control
The 1735 HD High Definition Waveform Monitor is a
microprocessor controlled instrument with a nonvolatile
memory. On-screen menus allow selection of operating
standard and screen display functions. Four user-defined
front panel setups are available through a remote input
connector. Also available for remote operation are selection
of sweep rates, input channels and activation of four
line/field display. The companion 1720 Series Vectorscope's
front panel setup follows the 1735 HD selection for quick
recall of desired test and monitoring configurations.
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Features
Specs
Ordering Information
Characteristics
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Three Line Multiple Input
display.
Two Line, Line Select display.
Sweep Standards and
Microprocessor Test Routines
are Menu Selectable.
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Sweep Standards Are Menu Selectable
Progressive Rates Interlaced Rates
312/75/1 525/60/2 (480i NTSC)
312/100/1 625/50/2 (PAL)
312/125/1 875/60/2
525/60/1 (480p SMPTE
293M)
875/60/2BV (block vertical
sync)
625/50/1 1023/60/2
750/60/1 (720p SMPTE
296M)
1050/60/2
787/60/1 1112/60/2
1250/60/1 1117/60/2
1250/50/1 (1080p SMPTE
295M)
1118/60/2
1125/60/2 (1035i or 1080i
SMPTE 274M)
1250/50/2 (1080i SMPTE
295M)
Channels 2 and 3 Vertically
Offset from Channel 1.
Signal Formats
Per sweep standards table, selected by reference to on-screen
menu.
Signal Inputs (Video and External Reference)
Six video channels. One external reference channel.
Return Loss - >35 dB, 50 kHz to 30 MHz, power on or off.
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Input Impedance - >15 kilohm.
Vertical Deflection
Deflection Factor - Within 1% of 1 V.
Variable Gain Range - +5, -20 dB.
Position Range - 1 V signal can be positioned so that peak
white and sync tip can be placed at blanking level regardless
of gain range. Channels 2 and 3 may be offset from channel
1. Channel group B may be offset from channel group A.
Frequency Response
Flat - 50 kHz to 30 MHz within 2%.
Filter - >20 dB attenuation at 20 MHz. Response within 1%
of flat response at 15 kHz.
Transient Response
Overshoot - 1% or less.
Tilt - 1% or less.
DC Restoration
Clamp Point - Back porch.
Mains Hum Attenuation - Slow clamp passes >90% of
50 Hz mains hum (0.9 dB atten.). Fast clamp removes >95%
of 60 Hz mains hum (26 dB atten.).
Blanking Level Shift with 10% to 90% APL Change - 1%
or less.
Picture Monitor Output
Corresponds to waveform display.
Frequency Response - 50 kHz to 30 MHz within 5%.
Differential Gain - <1% at 4.43 MHz.
Differential Phase - <1% at 4.43 MHz.
DC Level on Output - <0.1 V into 75 Ohm load.
Intensification (Brightup) - Approximately 200 mV offset
on select lines.
Output Impedance - 75 Ohm nominal.
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Return Loss - >26 dB 50 kHz to 30 MHz.
Input to Output Gain Ratio -
Luminance 1:1 +5% at 15 kHz.
Calibrator
Amplitude - 700 mV, +1%.
Horizontal Deflection System
Sweep - Sweep will occur with or without input signal.
Line and Field Sweep Modes, with the Following
Characteristics -
One: Displays one complete line or field.
Two: Displays two lines or fields.
Three: Displays sync trailing edge and video of three
selected inputs.
Four: Displays sync trailing edge and video of four selected
inputs (mode accessed through remote connector).
Line magnification equals approximately x25 in one and
three line modes x10 in two line mode.
Field magnification equals approximately x20.
Time/div appears on-screen if readout is turned on (in line
mode, not field mode).
Timing Accuracy - 1 µs/div within 2%, 0.2 µs/div within
3%.
Linearity - Within 1%.
Differential Linearity - Within 2%.
Sweep Magnification Registration - Magnification occurs
about the center of the screen in two line.
Position Range - Any portion of the synchronized video
sweep can be positioned on screen in all sweep modes except
1-Line
and 1-Field.
Synchronization
Internal or External - 1 V composite video or 300 mV
(black to sync tip) sync +6 dB of nominal.
Sync Type - Bi-level or Tri-level.
Remote Sync - TTL level, positive or negative edge, jumper
selectable.
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Certifications
EMC - Certified to the EMC Directive 89/336/EEC.
Safety -
Approved to: UL1244, CSA231.
Complies with: EN61010-1, IEC61010-1.
Power Source
Mains Voltage Ranges - 90-250 V.
Mains Frequency Range - 48-66 Hz.
Power Consumption - 55 W typical.
1735 HD rear panel.
Environmental
Temperature - Operating: 0°C to 50°C.
Altitude - Operating: To 15,000 ft.
Transportation - Qualified under NSTA Project 1A-B-1.
Physical Characteristics
Dimensions mm in.
Height 133.4 5.25
Width 215.9 8.125
Depth 460.4 18.125
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Weight kg lbs.
4.7 10.3
Top of Page
Features
Specs
Ordering Information
Ordering Information
1735 HD
High Definition Television Waveform Monitor.
When ordering, please use the nomenclature given here. The
standard instrument is shipped without a case or handle. If
your application is for bench or portable use, please order the
appropriate enclosure from the optional accessories list. The
1735 HD is a UL-recognized component and meets the
requirements for listing when used in the appropriate
enclosure.
Optional Accessories
1700F00 - Plain Cabinet (no handle or feet, painted silver
grey).
1700F02 - Portable Cabinet (including handle, feet and front
cover, painted silver grey).
Snap-on Protective Front Cover - Order 200-3897-01.
Viewing Hood - Order 016-0475-00.
1700F05 - Side-by-side rack mount, adjustable front panel
depth.
1700F06 - Blank half rack width panel.
1700F07 - Utility Drawer.
Measurement Service Options
Opt. C3 - Three years of Calibration Services.
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