Atec Rohde-Schwarz-UPV - Manual (Page 12)

Version 03.00, August 2011
12 Rohde & Schwarz R&S ® UPV Audio Analyzer
Clocks
Sampling frequency
0.84375 kHz to 400 kHz
Mixed sampling frequencies ratio with multisample format only 2, 3, 4, 5, 6
frequency 0.84375 kHz to 400 kHz
width 1 to (slot length × number of slots) – 1
slope rising, falling
Frame sync
offset (relative to frame) –(number of slots × slot length) to
(number of slots × slot length) – 1
frequency 6.75 kHz to 55.296 MHz Bit clock
slope rising, falling
frequency 13.5 kHz to 110.592 MHz Master clock
ratio to frame sync 16 to 768
Timing
sync mode: frame sync and bit clock –9 ns to +8 ns Sampling delay
other sync modes –12 ns to +5 ns
setup time –1.3 ns Data and frame sync to bit clock
(relative to bit clock)
hold time 4.6 ns
dual-channel analyzer mode same as for digital audio analyzer Measurement functions
eight-channel analyzer mode RMS wideband, RMS selective, peak, S/N,
DC, FFT, THD, THD+N, Mod Dist, DFD,
DIM, polarity
Outputs
CMOS 0.9 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V Logic voltage
LVTTL 3.3 V
Impedance short-circuit-proof 50 Ω
Maximum reverse voltage –3 V to selected logic voltage + 3 V
Inputs
CMOS 0.9 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V Logic voltage
LVTTL 3.3 V
–0.3 V to selected logic voltage + 0.3 V 10 kΩ Impedance
–4 V to –0.3 V or selected logic voltage +
0.3 V to selected logic voltage + 4 V 100 Ω
Maximum input voltage –4 V to selected logic voltage + 4 V
Clock I/O configuration
Synchronization Internal
clock External
master clock
External
rame sync
External frame sync
(audio monitor)
External frame sync
and bit clock
Master clock output X X
Master clock input X
Bit clock output X X X X
Bit clock input X
Frame sync output X X X X
Frame sync input X X X
Unused outputs are tristated.