SRM584

dSCR multiswitch
wideband/quattro inputs, active DTT path with AGC



Ordering number 03710
Specifications

T Y P E

SRM584

Ordering number

03710

Frequency range

SAT IF

290-2350 MHz

SAT IF output

950-2150 MHz

DTT

47-862 MHz

Number of trunk inputs
& outputs

SAT IF

4

DTT

1

Number of tap outputs

8 (4 pairs)

Trunk output loss

SAT IF

< 4.0 dB

DTT

< 4.0 dB

Return loss / impedance

> 10 dB / 75 Ω

Input level per channel

SAT IF

65-105 dBµV

DTT

55-85 dBµV (8 DTT channels)

Terr. TV noise figure

< 8 dB

Tap output with
combined DTT

user bands (dSCR mode)

32 max. per pair outputs, configurable

user band bandwidth
(dSCR mode)

20-60 MHz, adjustable

output level, AGC
controlled (dSCR mode)

84 dBµV, adjustable

output level, typical
(legacy mode)

78 dBµV

DTT output level,
AGC controlled

82 dBµV max. (8 DTT channels), adjustable

Decoupling

SAT IF inputs/SAT IF inputs

> 30 dB

SAT IF inputs/Tap outputs

> 30 dB

SAT IF / DTT

> 25 dB

DC pass through
trunk lines

SAT IF

3.2 A max., 1.6 A max. through one line

DTT

200 mA max.

Current
consumption

from DC inputs*,
H/V trunk lines

20 V 970 mA max.

from STB

18 V 20 mA max.

Current pass from DC inputs to each H/V trunk line, switchable

20 V 1.03 A max.

Operating temperature range

-20° ÷ + 50°C

Dimensions/Weight (packed)

226x135x30 mm/0.8 kg

* without external DC feeding

Application example
Application diagram of wide band SAT IF distribution system. Powered from the bottom.