Specifications
1-6
RTX130B QAM & VSB RF Signal Generator Service Manual
Table 1-2: Mainframe (Cont.)
Characteristics
Description
PLL
Frequency
50 MHz to 100 MHz, locked to reference clock
Output clock
50 MHz maximum (serial clock)
26.75 MHz maximum (parallel clock)
Output rate
214 Mbps maximum
64 Kbps minimum
TS clock
(Internal and external
reference, 27 MHz and 10 MHz)
TS clock = (X / (2 * Y * Z) ) * 27 MHz
15362
<
X
<
31248
1686
<
Y
<
3376
2
≤
Z
≤
65536
(External parallel clock)
TS clock = (X / (2 * Y * Z) ) * external parallel clock, 214 MHz maximum
15632
<
X
<
31248
1
<
Y
<
16383
2
≤
Z
≤
65536
(External serial clock)
TS clock = (X / (2 * Y * Z) ) * external serial clock / 8,32 MHz maximum
15632
<
X
<
31248
1
<
Y
<
16383
2
≤
Z
≤
65536
P/N and Jitter (serial clock)
<
--104 dBc/Hz at 21.455707 MHz +20 kHz (RBW=300 Hz)
SPI interface
Connector type
D-sub, 25 pin
Data rate
256 Kbps to 214 Mbps
Pin assignments
1
DCLK
2
GND
3 to 10
DATA 7 to DATA 0
11
DVALID
12
PSYNC
13
Shield
14
DCLK
15
GND
16 to 23
DATA 7 to DATA 0
24
DVALID
25
PSYNC
Summary of Contents for RTX130B
Page 4: ......
Page 14: ...Service Safety Summary x RTX130B QAM VSB RF Signal Generator Service Manual...
Page 16: ...Environmental Considerations xii RTX130B QAM VSB RF Signal Generator Service Manual...
Page 21: ...Specifications...
Page 22: ......
Page 38: ...Specifications 1 16 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 39: ...Theory of Operation...
Page 40: ......
Page 48: ...Theory of Operation 2 8 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 49: ...Performance Verification...
Page 50: ......
Page 102: ...Performance Verification 3 52 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 103: ...Maintenance...
Page 104: ......
Page 153: ...Options...
Page 154: ......
Page 156: ...Options 5 2 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 157: ...Diagrams...
Page 158: ......
Page 160: ...Diagrams 6 2 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 162: ...6 4 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 164: ...6 6 RTX130B QAM VSB RF Signal Generator Service Manual...
Page 165: ...Replaceable Parts List...
Page 166: ......