Technical specifications, Uhf modulator/booster, If section – Arcam Delta 150 NICAM User Manual

Page 17: Audio section

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Delta 150 NICAM stereo TV tuner handbook

Technical specifications

Suitable for CCIR TV system I (UK)

RF input

Frequency range 471.25 - 855.25 MHz (Channels E21 - E69)
Impedance 75 Ohms
Input signal for onset of video noise 50dBuV
NICAM drop-out point 28dBuV
Maximum input signal 75dBuV
Locked picture and sound 20dBuV

RF system characteristics

AFC hold in -F/- 1.25 MHz
AFC pull in +/- 1.25 MHz

UHF modulator/booster
Boost gain 0 dB +/- 3 dB
Carrier frequency 543.25 - 615.25 MHz (E30 - E39)
Carrier level 73dBuV +/- 3dB
Test signal 2 vertical bars, line sync, only

IF section

Employs dual surface wave filter
Vision frequency 39.5 MHz
FM sound frequency 33.5 MHz

Video section both SCART and BNC outputs
Output level 1V peak to peak into 75 Ohms

Output impednce 75 Ohms

Audio section

Minimum load 5kOhms
Nominal output level 500mV

FM mono audio
Frequency response 40 Hz - 12 kHz 4-/-
Signal to noise ratio 70dB CCIR
De-emphasis 50uS

2dB

NICAM audio
Frequency response 30Hz- 14kHz

+!-

IdB

THD, NICAM OdB reference 0.02%
Signal to noise ratio 83 dB CCIR
De-emphasis CCIR J17
Channel balance +/- IdB

Dimensions
Width 430mm
Height 64mm
Depth 265mm (excluding rear panel connections)

Weight
Net 3.1 kg
Packed 4.5 kg

15

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