Aeroflex 2946A Manuel d'utilisateur télécharger pdf (Page 5)

Accuracy

±3% ±3 mV ± resolution

Frequency Range

20 Hz to 20 kHz

Resolution

0.1 Hz, less than 10 kHz

1 Hz, at 10 kHz and above

Indication

5 digits

Accuracy

As frequency standard ± 1 digit ± resolution

Sensitivity

50 mV

Frequency

1 kHz

Range

0 to 18 dB and 0 to 50 dB

Resolution

0.1 dB

Indication

3 digits and bar-charts

Accuracy

± 1 dB

Sensitivity

50 mV (100 mV for 40 dB SINAD) reading

suppressed if audio voltage is less than 5 mV

Frequency

1 kHz

Range

0 to 10%, 0 to 30% and 0 to 100%

Resolution

0.1% distortion

Indication

3 digits and bar-charts

Accuracy

± 5% of reading ± 0.5% distortion

Sensitivity

50 mV (100 mV for 1% distortion) reading

suppressed if audio voltage is less than 5 mV

Range

0 to 30 dB and 0 to 100 dB

Resolution

0.1 dB

Indication

3 digits and bar-chart

Accuracy

±1 dB

Sensitivity

50 mV (100 mV for 40 dB S/N) reading suppressed

if audio voltage is less than 5 mV

Operating Modes

Single repetitive sweep

Frequency Range

DC to 50 kHz, 3 Hz to 50 kHz AC coupled

Voltage Range

10 mV to 20 V per division in a 1, 2, 5 sequence

Voltage Accuracy

±5% of full scale

FM Ranges

±75, 30, 15, 6, 3 and 1.5 kHz deviation full scale,

±10% accuracy

AM Ranges

20, 10 and 5% per division, ±10% accuracy

Timebase

50 µs/div to 5 s/div in a 1, 2, 5 sequence

Graticule

10 Horizontal by 6 Vertical divisions

Special Features

Built in anti-aliasing circuitry

Bar-Chart Displays

AF Voltage, SINAD, Distortion, S/N

Vertical Resolution

2% of full scale

Ranging

Autoranging, range hold or manual selection

1, 2, 5, sequence with hysteresis

Audio and Modulation Filters

300 Hz, 3 kHz, 15 kHz Lowpass

300 Hz to 3.4 kHz Bandpass

300 Hz Highpass

750 µs de-emphasis

50 kHz LP (No filter selected)

Audio Analyzer General Features

Tones Mode

Frequency Range

100 kHz to 1.05 GHz (manual tune)

10 MHz to 1 GHz (autotune)

Resolution

1 Hz or 10 Hz, selectable

Indication

Up to 10 digits

Accuracy

As frequency standard ± resolution

Acquisition Time

Less than 1 second (manual)

Typically 3 seconds (autotune)

Sensitivity

Autotuned: 5 mW (N-Type)

0.05 mW (Antenna port)

Manual Tuned:−34 dBm (N-Type)−60 dBm (Antenna

port)

VSWR

N-Type: Better than 1.2:1 up to 500 MHz

Better than 1.25:1 up to 1.0 GHz

BNC: Better than 3:1 up to 1.0 GHz

Frequency Range

200 kHz to 1.05 GHz

Dynamic Range

5 mW to 150 W (N-Type)

0.05 mW to 250 mW (Antenna port)

Indication Units

Watts, dBm or dBW

Indication

3 digits or bar-chart

Resolution

0.1 dB max, typically 1%

Accuracy (N-Type)

±10% ± resolution up to 1 GHz

Maximum Continuous Rating

N-Type: 50 W at 20 °C

Antenna port: 1 W

Intermittent Rating

N-Type: 150 W for limited periods, typically 1 minute

at 20°C. Overload indicated by audible and visual

warning.

HARMONIC MEASUREMENT

Displays 1st to 5th harmonic of the selected carrier.

Maximum Harmonic Frequency

1.05 GHz

Dynamic Range

0 to −60 dBc

TRANSIENT POWER ANALYSIS

Displays power profile against time

Frequency Range

1 to 1050 MHz

Dynamic Range

60 dB below spectrum analyzer reference level

Scale (power)

10 dB/div

Scale (time)

50 µs/division to 5 s/div

Trigger Level

Adjustable over full dynamic range +ve or −ve trigger

selection

Pre-trigger

0, 25, 50, 75 or 100% of displayed period

Sensitivity

Autotuned: 5 mW (N-Type)

0.05 mW (Antenna port)

Manual Tuned:−34 dBm (N-Type)

−60 dBm (Antenna port)

Audio & Modulation Filters

300 Hz, 3 kHz, 15 kHz Lowpass

300 Hz to 3.4 kHz Bandpass

300 Hz Highpass

750 µs de-emphasis

50 kHz LP (No filter selected)

AMPLITUDE MODULATION

Frequency Range

100 kHz to 1.05 GHz

Modulation Frequency Range

10 Hz to 15 kHz

AM Depth Range

0 to 99% (manually tuned)

0 to 90% below 100 MHz

0 to 80% from 100 to 400 MHz

Resolution

1% AM

Indication

2 digits and bar-chart

Accuracy

(1)

±5% ±1 digit at 1 kHz

±8.5% ±1 digit from 50 Hz to 10 kHz

Demodulation Distortion

(1)

Less than 2%, at 1 kHz and 30% AM, (CCITT

weighted)

Residual AM

Less than 1% (300 Hz to 3.4 kHz)

Demodulation Output

50 mV peak to peak for 1% AM

FREQUENCY MODULATION

Frequency Range

100 kHz to 1.05 GHz

Modulation Frequency Range

10 Hz to 15 kHz

Deviation Range

0 to 75 kHz

Resolution

10 Hz below 2 kHz deviation

1% above 2 kHz deviation

Indication

3 digits and bar-chart

Accuracy

(1)

±5% ± resolution at 1 kHz modulation frequency

±7.5% ±1 digit for modulation frequencies 50 Hz

to 10 kHz

Demodulation Distortion

Less than 2% at 1 kHz and 5 kHz FM, (CCITT

weighted)

Residual FM

Less than 30 Hz (300 Hz to 3.4 kHz)

Demodulation Output Socket

200 mV peak to peak ±10% per 1 kHz deviation

Modulation Meter

Harmonic and Transient Analysis

RF Power Meter (broadband)

RF Frequency Meter

Audio Bar-Charts

Audio Oscilloscope

Audio S/N Meter

Audio Distortion Meter

Audio Sinad Meter

Audio Frequency Meter

2946A

Aerospace

2946A

http://www.ifrinternational.com

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Aeroflex 2946A Manuel d'utilisateur Page 5

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