Digital output (not on all versions)
Connector type
: 3.5mm optical fiber jack
Clock precision
: level II (±1000ppm)
Specification according to IEC958, accuracy mode ”normal”.
Laser
Output power
: <5mW (3mW typ.)
Wavelength
: 780nm
Measurement setup AM
To avoid admospheric interference all AM measurements
have to be carried out in a Farraday’s cage.
Use bandpass filter (or at least a high pass filter with 250Hz)
to eliminate hum (50Hz, 100Hz).
Measurement setup FM
Use bandpass filter to eliminate hum (50Hz, 100Hz) and
disturbance from pilottone (19kHz, 38kHz).
Measurement setup CD
Use Audio Signal disc SBC429
4822 397 30184
Low pass filter
DUT
S/N and distortion meter
L
R
i.e. Sennheiser UPM550
with FF-filter
Level meter
i.e. Sound Technology ST1700B
i.e. 4822 395 30204
22kHz
13th order
DUT
RF Generator
i.e. PM5326
Ri=50
Ω
Bandpass filter
S/N and distortion meter
i.e. PM2534
LF Voltmeter
i.e. Sound Technology ST1700B
i.e. 7122 707 48001
250Hz - 15kHz
DUT
Frame aerial
i.e. 7122 707 89001
RF Generator
i.e. PM5326
Ri=50
Ω
Bandpass filter
S/N and distortion meter
i.e. PM2534
LF Voltmeter
i.e. Sound Technology ST1700B
i.e. 7122 707 48001
250Hz - 15kHz
1-2
CS 46 688
FEATURE OVERVIEW
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