Anritsu MG3642A User Manual

SECTION 1   GENERAL

1-7

Interference radiation

When measured with 50 

Ω-terminated voltage using a two-loop

antenna of 25 mm in diameter at 25 mm away from the case:
<0.1 

µV (At the output frequency)

<1 

µV (Over the frequency range, at multimenu display OFF)

Signal Purity

Spurious

In CW mode and with reference to 

≤+7 dBm:

Harmonics:  <–30 dBc
Non-harmonics:  <–100 dBc (

≥15 kHz offset)

Those related to power:  <–40 dBc (<15 kHz offset)

SSB phase noise

In CW mode and with reference to 20 kHz offset:
<–140 dBc/Hz (

≥10 MHz, <256 MHz)

<–136 dBc/Hz (

≥256 MHz, <512 MHz)

<–130 dBc/Hz (

≥512 MHz, ≤1040 MHz)

<–124 dBc/Hz (>1040 MHz, MG3642A)

Residual AM

With reference to 

≥500 kHz, CW mode, +7 dBm and in a 50 Hz to 15

kHz demodulation band:
<–80 dBc

Residual FM

In CW mode and in a 300 Hz to 3 kHz demodulation band:
<4 Hzrms (

≥10 MHz, <512 MHz)

<8 Hzrms (

≥512 MHz, ≤1040 MHz)

<16 Hzrms (>1040 MHz, MG3642A)
In CW mode and in a 50 Hz to 15 kHz demodulation band:
<5 Hzrms (

≥10 MHz, <512 MHz)

<10 Hzrms (

≥512 MHz, ≤1040 MHz)

<20 Hzrms (>1040 MHz, MG3642A)

Amplitude

Range

0 to 100 %

modulation

Resolution

0.1 %

Accuracy

With reference to 

≥0.4 MHz, ≤+7 dBm, AM≤90 %, Source=Int1 1

kHz, and in a 300 Hz to 3 kHz demodulation band:

±(5 % of set value +2 %)

Modulation frequency

In 

≤+7 dBm and ±1 dB Bandwidth:

response

Distortion

With reference to 

≥0.4 MHz, ≤+7 dBm, Source = Int1 1 kHz:

<–40 dB (AM = 30 %)
<–30 dB (AM = 90 %)

distortion

Specifications (continued)

Output level

Carrier frequency

Lower limit frequency

Upper limit frequency

AM = 30 %

AM = 90 %

≥

0.4 MHz, 

<

0.5 MHz

2 kHz

1 kHz

≥

0.5 MHz, 

<

2 MHz

DC (Ext DC couple)

10 kHz

5 kHz

≥

2 MHz, 

<

32 MHz

20 Hz (Ext AC couple)

20 kHz

≥

32 MHz, 

<

64 MHz

50 kHz

≥

64 MHz

50 kHz

                          100 kHz  (3 dB Bandwith)