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TSP-100 High Grade Broadcast SECAM > PAL Transcoder

The TSP-100 transcoder is a high grade broadcast SECAM to PAL composite video converter designed for the television studio. Accepting either SECAM IIIB or SECAM H/2 composite video in, the TSP-100 produces three outputs of PAL composite video or optionally one composite and one YC output.
 

The SECAM decoder employs a precision subcarrier filter with patent overshoot suppression to give exceptionally clean SECAM decoding with some 40dB of subcarrier rejection and little cross-colour.

The broadcast PAL encoder produces 3 outputs of PAL composite video synchronized  to the PAL black-burst or subcarrier reference input. S double-edge horizontal enhancer is switchable on the luminance channel and permanently operates on the chrominance signal. An automatic bypass feeds the input directly to the output if the input standard is PAL, if the incoming subcarrier is too low, or if the mains power fails. The transcoder is not affected by test lines or videotext. Adjustment is simple and stability excellent.

Housed in a 1U high rackframe or available as Eurocard modules for installation in a 3U frame, the TSP-100 is optionally available with colour bars generator and YUV component output.

Specifications
Inputs/Outputs:

Composite input

Input loop

Colour reference input

Transcoded output

Optional output

SECAM1V pk-pk composite, 75Ω BNC

SECAM 1V pk-pk composite, 75Ω BNC

PAL black-burst or subcarrier, 2V pk-pk, 75Ω BNC

3x PAL, 1V pk-pk, 3x 75Ω BNC

PAL YC, 2x 75Ω BNC
SECAM Decoder:

Input standards

Y/C filter

Luminance frequency response

Sync signal phase capture

Residual subcarrier

Input return loss

SECAM IIIB or SECAM H/2

7th order with overshoot supression

> 3MHz -1dB

±3ms adjustable

< -40dB

> -35dB to 5MHz

PAL Encoder:

Output standards

Non-linearity

Field tilt

K pulse 2T

K bar

Horizontal enhancer

PAL B / G / H / I, depending on reference

< 2%

< 1%

1%

1%

Switchable

Video:

K 2T pulse

K2T bar

Field tilt

Nonlinearity

Horizontal enhancer

Teletext (Antiope) bypass

Bypass switching

Transition delay
Optional signal bypass

1%

1%

<1%

<2%

Internally presettable

Internally presettable

When input is PAL or subcarrier <100mV

1.2mS typically

Relay switch of input to output if mains fails

Physical:

Rack enclosure (standard TSP-06)

RK-1X (for up to 4 channels)

RK-3X (for up to 14 channels)

Mains power requirements

19" x 1U rackmount x 250mm deep, 3Kg

19" x 1U rackmount x 440mm deep, 5Kg

19" x 3U rackmount x 360mm deep, 7Kg

230V AC, 50Hz or 115V AC, 60Hz, 30VA

FAQ's

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