SRM524

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



Ordering number 03705
Specifications

T Y P E

SRM524

Ordering number

03705

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

2 (1 pair)

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, per channel

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)

20-60MHz, adjustable

dSCR mode output level,
AGC controlled

84 dBµV, adjustable

legacy mode
output level, typical

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  290 mA max.

from STB

18 V  20 mA max.

Current pass from DC input to each
H trunk line, switchable

20 V  1.6 A max.

Operating temperature range

-20° ÷ +50° C

Dimensions/Weight (packed)

134x135x30 mm/0.42 kg

* without external DC feeding