Anritsu MG3641A User Manual
Page 26
SECTION 1 GENERAL
1-8
Specifications (continued)
Amplitude
Incidental FM
With reference to
≥0.4 MHz, ≤+7 dBm, AM≤30 %, Source=Int1 1 kHz,
and in a 300 Hz to 3 kHz demodulation band:
<200 Hzpeak
Modulation signal source
Any one out of the internal modulation signal sources (Int1, Int2,
Int3) and external modulation inputs (Ext1, Ext2) can be selected.
Modulation signal polarity
Can be switched between positive and negative.
Frequency
Range
0 to 125 Hz (
≥125 kHz, <250 kHz)
modulation
0 to 250 Hz (
≥250 kHz, <500 kHz)
0 to 500 Hz (
≥500 kHz, <1 MHz)
0 to 1 kHz (
≥1 MHz, <2 MHz)
0 to 2 kHz (
≥2 MHz, <4 MHz)
0 to 4 kHz (
≥4 MHz, <8 MHz)
0 to 10 kHz (
≥8 MHz, <16 MHz)
0 to 25.6 kHz (
≥16 MHz, <32 MHz)
0 to 51.2 kHz (
≥32 MHz, <64 MHz)
0 to 102 kHz (
≥64 MHz, <128 MHz)
0 to 256 kHz (
≥128 MHz, <256 MHz)
0 to 512 kHz (
≥256 MHz, <512 MHz)
0 to 1024 kHz (
≥512 MHz, ≤1040 MHz)
0 to 2048 kHz (>1040 MHz, MG3642A)
Resolution
1 Hz (0 to 4.000 kHz deviation)
10 Hz (4.010 to 10.000 kHz deviation)
25 Hz (10.025 to 25.600 kHz deviation)
50 Hz (25.65 to 51.20 kHz deviation)
100 Hz (51.30 to 102.00 kHz deviation)
250 Hz (102.25 to 256.00 kHz deviation)
500 Hz (256.5 to 512.0 kHz deviation)
1 kHz (513 to 1024 kHz deviation)
1 kHz (1025 to 2048 kHz deviation, MG3642A)
Accuracy
With reference to
≥0.4 MHz, Source=Int1 1 kHz, and in a 300 Hz to
3 kHz demodulation band:
±(5 % of set value +10 Hz) (≥0.4 MHz, <512 MHz)
±(5 % of set value +20 Hz) (≥512 MHz, ≤1040 MHz)
±(5 % of set value +40 Hz) (>1040 MHz, MG3642A)
Modulation frequency
In a
±1 dB bandwidth
response
DC (Ext DC couple) or 20 Hz (Ext AC couple) to 20 kHz (
≥0.4 MHz, <10 MHz)
DC (Ext DC couple) or 20 Hz (Ext AC couple) to 100 kHz (
≥10 MHz)
Distortion
With reference to
≥16 MHz:
–40 dB (FM=3.5 kHz deviation, and Source=Int1 1 kHz),
–45 dB (FM=22.5 kHz deviation, and Source=Int1 1 kHz)
Incidental AM
With reference to
≥64 MHz, ≤+7 dBm, FM 100 kHz deviation,
Source=Int1 1 kHz, and in a 300 Hz to 3 kHz demodulation band:
<1 %peak
External modulation group
With reference to
≥10 MHz, Source=Ext DC coupling, and modulation
delay
rate
≤100 kHz:
<30
µs
Modulation signal source
Any one out of the internal modulation signal sources (Int1, Int2,
Int3) and external modulation inputs (Ext1, Ext2) can be selected for
each of FM1 and FM2.
Modulation signal polarity
Can be switched between positive and negative independently for
FM1 and FM2.
modulation