Link electronics PFS-875 Manuel utilisateur

THE PROOF IS ON THE INSIDE AND OUT

After you have reviewed the PFS-875, look inside, your will be pleased to know we are using a BGA FPGA and it

is made in the USA. This device provides many features to be crammed into one RU chassis

OK - the PFS-875 is envisioned as a product of the future. The unit is comprised of a 4 field TBC/frame

synchronizer with full transcoding on the analog inputs and a user configurable set of triple analog outputs as well

as SDI input and output. All processing is completely digital and includes a full proc amp as well as adjustable

output levels and timing.

The PFS-875 is designed as a standalone gen-lock-able frame sync with a variety of both analog and digital inputs

and outputs. The developmental was aimed to produce a broadcast quality unit as an initial offering, and then to

potentially use portions of this new platform in a variety of new products (modules for existing card frame products,

digital proc amp, etc.).

The PFS-875 provides dual standard composite and SDI timebase correction and synchronization to an external

reference. The unit will decode multiple composite standards (NTSC, NTSC-J, PAL-B,G,H,I,N). All analog inputs

are sampled with 10 bit resolution and decoded using a 3 line digital comb filter.

LINK

ELECTRONICS, INC. g2137 Rust Avenue gCape Girardeau, MO 63703-7668

Phone 573 334 4433 gFAX 573 334 9255

800 SERIES

FEATURES

LINK

ELECTRONICS, INC.

FRAME SYNCHRONIZER

MODEL PFS-875

Input/output Select

Menu Short-cut Button

Looping Reference Input

Color Bar Black Generator

DAC & ADC 12 Bit Processing

AES Audio Delay up to 640 mS

User and Factory Default Settings

Analog I/O Video Proc Amp Settings

SDI, CV, CAV (YUV), Y/C & S-Video I/O

Embed Audio move to a different group

Bi-Directional Digital Analog Decoder

Front Panel VFD Display for Function Set-Up

PAL/NTSC

1 Rack Unit

TBC Function

Power off Bypass

User friendly Menu System

Two AES Stereo Channels

Selectable Video Freeze

SDl Video Proc Amp Settings

Analog Video I/O Proc Amp Settings

Infinite Horizontal and Vertical Timing

Bi-Directional Digital Analog Transcoder

Audio Embedding & De-embedding

There are four video input and output formats supported

by the PFS-875; Composite Video, Component Analog

Video (YUV), Y/C (S-VHS) and SDI. The component

analog video input is YUV (SMPTE), and component

output is YUV (SMPTE/Beta-cam). The analog output

is on three BNC connectors which can be programmed

from the front panel to output all 3 composite, or

composite and Y/C, YUV SMPTE, or YUV BETA.

The PFS-875 provides dual standard composite and

SDI correction and synchronization to an external

analog reference. The synchronizer decodes multiple

composite standards (NTSC, PAL). All analog inputs

are sampled with 12-bit resolution and decoded using

a 5 line adaptive comb filter. It also has a built-in color

bar or black burst generator. The PFS-875 can also

synchronize non TBC signals from VHS tapes.

When input video is lost, the synchronizer freezes the

video or generates a test pattern. There are three ways

to freeze the video, freeze to the last known good

frame, field 1, or field 2. The test patterns that can be

generated are SMPTE color bar for NTSC, 75 % color

bar for PAL, and black burst for both.

PFS-875 has the feature to embed and de-embed two

channels of stereo AES audio. The De-embedded AES

audio is output through 2 separate BNCs on the rear

panel. Similarly, AES input for embedding can be input

through 2 separate BNCs. It has the feature of

choosing to embed the de-embedded audio and move

the audio to another group or channels. It also has the

feature of delaying the audio to match the video delay.

One of the new developments to be included in this

product is an all-digital composite NTSC/PAL encoder.

The encoding process allows for an image quality

superior to any of the off-the-shelf encoder ICs

available on the market at present, and also gives a

superior gen-lock capability. The encoder process

implements 12-bit outputs.

The PFS-875 has the feature of three built-in

processing amplifiers. One “proc. amp.” is for the

analog output allowing you to control luma,

chrominance, Sync, Burst, and Set-up levels along with

a black clip and hue phase adjustment. The second

“proc. amp.” is for the SDI output allowing you to control

luma, chrominance and set-up levels along with a black

clip. The third “proc. amp.” is for the analog input

affecting both analog and SDI outputs, which allows you

to control the luma and chrominance levels along with

hue phase adjustments.

LINK

ELECTRONICS, INC. g2137 Rust Avenue gCape Girardeau, MO 63703-7668

Phone 573 334 4433 gFAX 573 334 9255

VIDEO SPECIFICATIONS

INPUTS: SDI, CV, YUV, Y/C, & S-Video:

Analog inputs: ................................... 7(CV,Y/C,YUV,&S-Video)

Composite&Ylevel: ...................................... 1Vpp,75Ω, BNC

U/Vlevel: ............................................ 0.525Vpp, 75 Ω, BNC

Clevel: .............................................. 0.624Vpp, 75 Ω, BNC

S-Video: .................................................. 4-PinMini-DIN

SerialDigitalInterface(SDI): .................0.8Vpp±10%,EQ.750”, 75 Ω, BNC

Gen-LockReference: ................................... 1Vpp,Looping BNCs

OUTPUTS: SDI, CV, YUV, & Y/C:

Analog ouputs: ................................... 3(3CV,CV&Y/C,orYUV)

Composite&Ylevel: ....................................... 1Vpp,75Ω, BNC

U/V: ........................... 0.707Vpp (Beta)/0.525Vpp (SMPTE), 75 Ω, BNC

Clevel: ............................................. 0.625Vpp, 75 Ω, BNC

SerialDigitalSDI(2BNCs): .......................... 0.8Vpp±10%,75Ω, BNC

EAV-SAV ........................................... MeetsSMPTEITU-656

SIGNAL PROCESSING:

ADC/DACEncoding/Decoding: ........................................ 12bit

Component YUV Pipeline: ............................................ 10bit

Video Range: .................................... 50to150 %, 100 % @ unity

Chroma Range: .................................. 50to150 %, 100 % @ unity

Set-Up Range: ................... -19.9to+19.9IRE/NTSC,-142 to +142 mV/PAL

Burst Amplitude: ....................... 20to50IRE/NTSC,143 to 357 mV/PAL

SyncTipAdjust: ....................... 30to60IRE/NTSC,214 to 428 mV/PAL

HorizontalTiming: ....................0to1715(NTSC)/1727(PAL) pixels (Infinite)

VerticalTiming: ....................... 0to524 (NTSC)/ 624 (PAL) lines (Infinite)

Sub-carrierTiming: ...................................... 0

o to 359o(Infinite)

HuePhase: ............................................. 0

o to 359o(Infinite)

FREQUENCY RESPONSE AND SIGNAL TO NOISE:

Frequency Response: .................................. +/-2.5dBat4.22MHz

Tilt:............................................. <1%ref.30Hzsquare wave

Hum: .................................................... >70dB,1.0Vp-p

Overshoot & Ringing: ................................................ <1%

S/NRatio: ....................................................... >65dB

DifferentialGain: .................................................... <1%

DifferentialPhase: .................................................... <2

K-Factor: .................................................<0.5%,2TPulse

LineRateTilt: .............................................<0.5%,2TPulse

FieldRateTilt: ..................................................... <0.1%

1. YUV input SMPTE levels only

2. NComposite inpu

3. Y input.

4. C input

5. S-Video input

6. SDI input

7. SDI outputs

8. AES inputs

9. AES outputs

10. Analog outputs

11. Looping reference input

12. RS-232 connectors for future use

13. Fuse holder

14. Power receptacle, 85V-AC to 260V-AC

AUDIO:

AES/EBU INPUT:

Input: ................................................. 2AES/EBU Stereo Channels

Resolution: ..................................................... 20/24-bit,48KHz

Input Type: ................................................ 1Vpp±10%,75Ω, BNC

Channel Status: ................................................ Professional S/PDIF

AES/EBU OUTPUT:

Output: ...............................................2AES/EBU Stereo Channels

Resolution: ..................................................... 20/24-bit,48KHz

OutputType:...................................................... 2,75Ω, BNCs

SDI EMBEDDED INPUT:

Input: ................................................. 2AES/EBU Stereo Channels

Resolution: ..................................................... 20/24-bit,48KHz

Connection: ................................................. BNC(SDIVideo Input)

SDI EMBEDDED OUTPUT:

Input: ................................................ 2AES/EBU Stereo Channels

Resolution: .............................................................. 24bit

SamplingRate: .......................................................... 48KHz

Connection: ............................................... BNC(SDIVideo Output)

DelayResolution: .......................................... 640 ms in steps of 80 ms

THD: ................................................................ 0.0002 %

THD+N: ............................................................. 0.0006 %

Signal to noise ratio: ..................................................... >100 dB

Channel Separation: ...................................................... 134 dB

Channel Crosstalk: ....................................................... 123 dB

PHYSICAL:

FRONT PANEL CONTROLS:

ACPower: .............................................................. On/Off

By-Pass,Gen-Lock,Freeze: ................................... Push/Push,Maintained

Input Select, Output Format, PROC ADJ: .................................... Selection

LED's: ........................................... OutputFormat,Standard Detection

VFD DISPLAY:

Characters: .............................................................. 20X2

ELECTRICAL:

Input Power: ......................................... AutoDetection90to264 V AC

Frequency: ......................................................... 47to63Hz

Power: ................................................................30Watts

MECHANICAL:

Height: .............................................................. 1.75inches

Width: ............................................................... 19Inches

Depth: ............................................................... 11Inches

Weight: ............................................................... 4.75Lbs

ENVIRONMENTAL:

OperatingTemperature: ........................................ 0

oto 50o C (ambient)

Humidity: ............................................. 10%to90%Non-condensing

1. Power Off/On Switch

2. Display, for menu selections

3. Menu Selector Knob

4. Input Selection Buttons

5. Output Format Button

6. CV & CAV LEDs

7. Freeze Button

8. Audio Control Button

9. Proc Amp Adjustment Button

10. Output Timing Button

11. Bypass Button

12. Gen-lock Button

13. 525/625 LEDs

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