Tektronix RTX100A, Service Manual

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Specifications
1-6
RTX100A ISDB-T RF Signal Generator Service Manual
Table 1-2: Mainframe (Cont.)
Characteristics Description
Data delay, typical
±
5 ns from the falling edge of DCLK (see Figure 1-1)
Input
Input level, typical
>
+100 mV,
<
--100 mV, (RI+)--(RI--) with 100
Ω
termination
Input resistance, typical 100
Ω
(between differential inputs)
Clock pulse width, typical T/2
±
T/10, T=1/f (f=byte clock frequency) (see Figure 1-1)
Data hold time, typical T/2
±
T/10, T=1/f (f=byte clock frequency, data are latched on DCLK rising edge)
(see Figure 1-1.)
ASI interface Uses common input/output connectors as the SMPTE310M interface.
Standard conformance EN 50083-9 Annex B
Connector type BNC
Impedance 75
Ω
Data rate 256 Kbps to 214 Mbps
Output
Number of outputs 1
Output voltage 800 mV
±
10%
Jitter
≤
0.2 UI p--p
Rise/fall time
≤
1.2 ns (20% to 80%)
Return loss
<
--17 dB (5 MHz to 270 MHz) into 75
Ω
load
Input
Number of inputs 1
Input voltage, typical 200 mV to 800 mV
Return loss
<
--17 dB ( 5 MHz to 270 MHz) into 75
Ω
load
Internal RF reference clock
Reference clock
27 MHz
±
1 ppm
External RF reference input
Connector type BNC
Input impedance, typical 50
Ω
Reference input
Frequency 10 MHz, 27 MHz
8.126948 MHz
Input level, typical 160 kHz to 26.75 MHz (parallel clock)
1.28 MHz to 32 MHz (serial clock)
RF output
Connector type BNC
Output impedance, typical 75
Ω