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Option 11: gsm audio test – Atec Anritsu_MT8801C User Manual

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Marker functions

Signal search: PEAK

CF, PEAK

REF

Zone marker: NORMAL, DELTA
Marker function: MARKER

CF, MARKER

REF, ZONE

SPAN

Peak search: PEAK, NEXT PEAK, NEXT RIGHT PEAK, NEXT LEFT PEAK

Functions

Measure function

Noise power: dBm/Hz, dBm/ch
C/N: dBc/Hz, dBc/ch
Occupied bandwidth: N% of power method, X-dB down method
Adjacent channel power: Reference total power method, reference level method, channel designate display

(2 channels x 2), graphic display

Average power within a burst: Average power of time domain waveform within specified time

Number of data points: 501 points
Detector mode

POS PEAK: Displays max. point between sample points
NEG PEAK: Displays min. point between sample points
SAMPLE: Displays momentary value at sample points

Others

Display memory

Trace A: Displays frequency spectrum
Trace B: Displays frequency spectrum
Trace time: Displays time domain waveform at center frequency

Storage function:

NORMAL (refreshed), VIEW (frozen), MAX HOLD (displays maximum envelope), MIN HOLD
(displays minimum envelope), AVERAGE, CUMULATIVE, OVER WRITE

Option 11: GSM audio test

Decoding

Frequency range: 50 Hz to 4 kHz

characteristics

Level range: 0 to 3.2768 V
Accuracy: ±1 Hz (500 Hz to 2 kHz)

Frequency range: 50 Hz to 20 kHz
Setting resolution: 50 Hz
Accuracy: Same as reference oscillator
Output level range: 50 mVrms to 3 Vrms (EMF)
Setting resolution: 0.1 mV

AF oscillator

Accuracy (bandwidth:

Ͻ

30 kHz)

Unbalanced output: ±0.5 dB (1 kHz,

Ն

1 mV), ±1 dB (20 Hz to 20 kHz,

Ն

1 mV)

Floating output: ±2 dB (1 kHz,

Ն

1 mV)

Output impedance

Main output: 600

, 50

(unbalanced, BNC connector)

Microphone input: 600

(floating, DUT interface)

Waveform distortion (bandwidth:

Ͻ

30 kHz):

Ͻ

–50 dBc (1 kHz, 1 Vrms),

Ͻ

–45 dBc (20 Hz to 20 kHz, 1 Vrms)

Frequency range: 50 Hz to 4 kHz

Coded signal

Setting resolution: 50 Hz
Level range: 0 to 2.2 V
Setting resolution: 0.1 mV

AF level

Frequency range: 30 Hz to 20 kHz

measurement

Level range: 1 mVrms to 30 Vrms
Accuracy: ±0.5 dB

AF frequency

Frequency range: 30 Hz to 20 kHz

measurement

Level range: 30 mVrms to 30 Vrms
Accuracy: ±0.1 Hz

Tx measur

ement

Rx measur

ement