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Trilogy Communications
Mentor CX
S
YSTEM
B
ASE
M
ODULE
(C
ONT
’
D
)
Channel Set Type
NTSC, PAL, Tri-level Sync (TLS), AES/DARS, word clock, clock 10 MHz,
clock 27 MHz
Number of Channel sets
4
Changeover Type
Latching relay
Retains selected channel set on power fail.
Unselected channel terminated into 75
Ω.
Switching Time
Typically, <1 ms (max <3 ms)
Return Loss
Better than -40dB to 6 MHz
Crosstalk
[Unselected input to output, channel to channel]
<-60dB, 100 kHz to 6 MHz
<-50dB, 6 MHz to 50 MHz
Fault detection condition
[NTSC, PAL, TLS]
Fail condition
Signal low level threshold <180 mV
Warning condition
Signal low level threshold <210 mV
Signal high level threshold >500 mV
Detected format difference
Format detection as detailed in section 5.1.2
[AES]
Fail condition
Signal low level threshold <320 mVpp
Incorrect AES preamble
Warning condition
Detected format difference
Supports AES with 32, 44.1, 48 and 96 kHz sampling frequencie
