Service
Manual
OLP-101-15
-3
dBm input level at 131 0 nm
lnput circuit range
1
active.
Signal at US. 1 pin 1 /U8 pin 14:
-15
dBm
input level at 1310 nm
lnput circuit range
2
active.
Signal
at
US. 1 pin 1 /U8 pin 14:
-40 dBm input level at 1310 nm
lnput circuit range 3 active.
Signal at U5.1 pin
5/U8 pin 14:
6.10 ADC
.
...
Carry out checks with .a digital multimeter and frequency counter.
U8 pin 5: 32.768 kHz (clock)
U8pin18: 1.28Vf15mV
U8 pin 13:
-4.5 to -5.5 V
U8 pin 24: 4.5 to 5.5 V
6.11 Frequency DetectionIFrequency Measurement
Use the test setup described in Chapter 6.9, but: FMOD
=
1000 Hz
Signal at U6.1 pin
7:
1000 Hz (FMOD)
FAN
signal at U16.1 pin 1
:
500 Hz (FMOD12)
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