Atec TektronixCSA7404 User Manual
Page 4

Communication Signal Analyzers
CSA7000 Series
Characteristics
Ve r t i c a l S y s t e m
CSA7154
CSA7404
Input Channels
4
4
Analog Bandwidth (–3 dB)
1.5 GHz
4 GHz
Calculated Rise Time 100 mV/div to 1 V/div (Typical)
240 ps
100 ps
Input Coupling
DC, Gnd
Input Impedance
50
Ω
Input Sensitivity
2 mV/div to 1 V/div
Vertical Resolution
8 bits, ( >11 bits with averaging)
Max. Input Voltage
<1 V
RMS
for <100 mV/div, <5 V
RMS
for
≥
100 mV/div settings.
Also determined by TekConnect accessory
Offset Range
2 mV to 50 mV/div ±0.5 V, 50.5 mV to 99.5 mV ±0.25 V
100 mV to 500 mV ±5 V, 505 mV to 1 V/div ±2.5 V
DC Gain Accuracy 100 mV/div to 1 V/div
±(2% + (2% x net offset/10)) net offset = voltage level at center screen (vertically)
O p t o e l e c t r o n i c S y s t e m
Specifications assume use of the included 013-0327-00 O-to-E Output to CH1 interconnect (unless otherwise noted).
CSA7154
CSA7404
Optical Channel Unfiltered Bandwidth
1.6 GHz
2.4 GHz
Input Connector
Rifocs universal connector
Wavelength Range
700 nm to 1650 nm
Calibrated Wavelengths
780 nm, 850 nm, 1310 nm, 1550 nm
O/E Gain
≥
0.27 V/mW (0.35 V/mW typical) at 780 nm ±20 nm
≥
0.33 V/mW (0.40 V/mW typical) at 850 nm ±20 nm
≥
0.64 V/mW (0.75 V/mW typical) at 1310 nm ±20 nm
≥
0.64 V/mW (0.75 V/mW typical) at 1550 nm ±20 nm
Sensitivity (smallest average power for mask test).
40 µW
p-p
at 1310 nm and 1550 nm. >20 µW (–17 dBm)
Assumes scale factor is set to minimum µW/div settings
average power assuming 50% average duty cycle.
and signal is at least 4 divisions
p-p
80 µW
p-p
at 780 nm and 850 nm. 40 µW (–14 dBm)
average power assuming 50% average duty cycle.
RMS Noise
≤
0.85 µW + (6.5% of W/div setting)
≤
1.1 µW + (6.5% of W/div setting)
at 1310 nm and 1550 nm
at 1310 nm and 1550 nm
≤
1.6 µW + (6.5% of W/div setting)
≤
2.1 µW + (6.5% of W/div setting)
at 850 nm
at 850 nm
≤
2.0 µW + (6.5% of W/div setting)
≤
2.6 µW + (6.5% of W/div setting)
at 780 nm
at 780 nm
Input Range
10 µW/div to 500 uW/div.
Optical reference receiver typically available over the following range:
40 µW (–14 dBm) to 400 µW (–4 dBm) at wavelength <1200 nm;
25 µW (–16 dBm) to 250 µW (–6 dBm) at wavelength >1200 nm
Absolute Maximum Nondestructive Optical Input
5 mW average; 10 mW peak at wavelength
with highest relative responsivity
Maximum Nonsaturating Linear Response
<170 µW average input (340 µW peak) at 850 nm
to Transient Input (Typical)
<120 µW average input (240 µW peak) at 1310 and 1550 nm
Fiber Input
62.5 µm core multimode fiber
Input Return Loss (Typical)
With 50 µm or 62.5 µm core multimode fiber (CPC6) attached:
>14 dB for 780 nm ±20 nm
>14 dB for 850 nm ±20 nm
With 9 µm core single mode fiber (SMF-28) attached:
>28 dB for 1310 nm ±20 nm
>28 dB for 1550 nm ±20 nm
Digital Phosphor Oscilloscopes
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