Fracarro 283938 Datasheet download pdf (Page 75)

SMATV Catalogue

K Series

Vestigial sideband modulators

Dimensions

40x200x155mm

Audio video vestigial sideband modulators.

Three versions are available: PAL B/G mono, PAL B/G stereo and

multistandard mono.

• High output C/N

• Audio and video input adjustment using a trimmer

KMS

KMM

Item KM KMS KMM

Code 270630 270631 270632

Input No. 3 x RCA (cinch)

Output No. 2 F connectors (output + mix input)

Video input Impedance Ohm 75

Input level Vpp 0.7 – 1.2

Audio input Impedance KOhm 10

Input level VRMS 0.25 – 0.75

Standard PAL B/G mono PAL B/G stereo

Multistandard N, H, D, K, I, L

Audio carrier frequency B/G mono MHz 5.5 - -

B/G stereo - - -

Left carrier MHz - 5.5 -

Right carrier MHz - 5.74 -

L, D/H MHz - - 6.5

I MHz - - 6

N MHz - - 4.5

Video/audio power N dB - - 10

carrier ratio H dB - - 14

I dB - - 14

D/K dB - - 13

L dB - - 8

B/G mono dB 14 - -

B/G stereo dB - 14 (left c.) 21 (right c.) -

Modulation with audio B/G KHz 49 49 -

input 1KHz, 0.5VRMS N (FM) KHz - - <42

H KHz - - 44

I, D/K (FM) KHz - - >47

L (AM) KHz - - 80%

Modulation depth D/K, I, B/G 80% typ.

for 1Vpp video input L - - 90–97%

Output frequency (channels) MHz 47–862 (E5-E69)

Output channel programming By frequency (steps of 250KHz) or by channel

Channel standard B/G Europe, PAL I UK, L France, B Australia

Max. output level dBµV 90

Output level adjustment dB 0–15 by means of TPE

Insertion loss dB <1.5

C/N on channel dB >57

Spurious rejection dB 57

General features Mains voltage VDC 12

Consumption mA 400 500 400

Power consumption W 4.8 6 4.8

Compliant EN50083-2

Operating temperature

°C -10 to +55

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 163 164

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Fracarro 283938 Datasheet Page 75

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