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Specifications
Version 00b
MTS400 Series Performance Verification and Specifications Technical Reference
The electrical characteristics listed in Table 1
2 apply to both the A11 and A12
Main MPEG I/O cards.
Table 1−2: A11 and A12 Main MPEG I/O card electrical characteristics
Characteristic
Description
Internal reference clock
This clock is used for the following functions:
output clock, PCR/PTS/DTS timing, packet
operation timing, and TDT/STT timing
Frequency
27 MHz
"
1 ppm when manufactured
Stability
"
0.5 ppm per year
"
1 ppm over temperature range
External reference / clock input
Input connector type
BNC, 50
, AC coupled
Frequency
External reference input
8.12698 MHz, 10 MHz, 27 MHz
External clock input
160 kHz to 25 MHz (parallel clock)
1.28 MHz to 32 MHz (serial clock)
Amplitude
External reference input, typical
0
"
6 dBm (peak-to-peak, sine wave)
0.5 V to 3.0 V (square wave)
External clock input, typical
0.5 V to 3.0 V (square wave)
External TTL trigger input
Input connector type
BNC, 1 k
Threshold level
High level
>3.5 V (maximum voltage limit is 7.0 V)
Low level
<0.8 V
PPL
Frequency range
64 MHz to 128 MHz
Output clock
Maximum rate
64 MHz (serial clock)
25 MHz (parallel clock)
Internal and external 27 MHz
Output clock = (X / (2 * Y * Z)) * 27 MHz
512 < X < 131071, 3400 < Y < 6000, 2 <= Z
<= 65536 (second power)
External parallel clock
Output clock = 108 MHz * Y / X,
512 < X < 131071, 8 < Y < 16383
External serial clock
Output clock = 864 MHz * Y / X,
512 < X < 131071, 8 < Y < 16383
A11 and A12 Main MPEG
I/O Card Characteristics