Anritsu MG3700A MG3700A Specifications download pdf (Page 20)

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MG3700A

Output level

VSWR

At ≤–11 dBm output level: 1.3 (250 kHz ≤ f ≤ 3 GHz), 1.55 (3 GHz < f ≤ 6 GHz)

With Mechanical Attenuator Option

At ≤–7 dBm output level: 1.25 (250 kHz ≤ f ≤ 3 GHz), 1.35 (3 GHz < f ≤ 6 GHz)

Special setting mode Continuous mode and EXT ALC mode are exclusive modes

Continuous mode

By switching to the Continuous mode, the reference output level can be adjusted continuously in 0.01

dB steps over the range of +3 to –10 dB.

EXT ALC mode

Output level is changed according to DC voltage input externally

Variable range: –8/+3 dB, Input impedance: 600 Ω (nominal),

Connector: BNC-J (rear panel, Ext. ALC)

Output connector 50 Ω, N-J (front panel, RF Output)

Maximum reverse input

Reverse input power: 1 Wpeak (≥300 MHz), 0.25 Wpeak (<300 MHz), DC: 0 V

With Mechanical Attenuator Option

Reverse input power: 1 Wpeak, DC: 0 V

Signal purity

Spurious At CW, ≤–1 dBm (With Mechanical Attenuator Option: ≤+3 dBm)

Harmonics <–30 dBc (f ≥300 MHz @E-ATT, f ≥250 kHz @M-ATT)

Non harmonic

<–60 dBc (Expect the intersection spurious

∗

of 2.4 GHz, 25 MHz to 3 GHz)

<–54 dBc (Expect the intersection spurious

∗

of 4.4 GHz, 3 to 6 GHz)

∗:

Intersection spurious: 4.8 GHz – [output frequency] (at 25 MHz to 3 GHz),

8.8 GHz – [output frequency] (at 3 to 6 GHz)

Power supply relation <–50 dBc (250 kHz to 3 GHz), <–44 dBc (3 to 6 GHz)

Vector modulation

EVM

At 23 ±5°C and Output level ≤–1 dBm (With Mechanical Attenuator Option: ≤+3 dBm)

≤2% rms., ≤1% rms typ. (at W-CDMA Downlink 1 code modulation,

Output frequency: 800 to 1000 MHz, 1800 to 2400 MHz)

At 23 ±5°C and Output level ≤–4 dBm (With Mechanical Attenuator Option: ≤0 dBm)

≤1% rms. (at OFDM modulation equal to IEEE802.11a/g,

Output frequency: 2400 to 2497 MHz, 4,900 to 5,925 MHz)

≤5% peak (at modulation equal to IEEE802.11b, Output frequency: 2,400 to 2,497 MHz)

ACLR (5 MHz offset)

At 23 ±5°C when using signal of W-CDMA (Test Model1 64DPCH):

–61 dBc/3.84 MHz, –63 dBc/3.84 MHz typ. (≤–4 dBm, 800 to 1000 MHz, 1800 to 2400 MHz)

With Mechanical Attenuator Option

–62 dBc/3.84 MHz, –64 dBc/3.84 MHz typ. (≤0 dBm, 800 to 1000 MHz, 1800 to 2400 MHz)

ACLR (10 MHz offset)

At 23 ±5°C when using signal of W-CDMA (Test Model1 64DPCH):

–66 dBc/3.84 MHz typ. (≤–1 dBm, 800 to 1000 MHz, 1800 to 2400 MHz)

With Mechanical Attenuator Option

–67 dBc/3.84 MHz typ. (≤+3 dBm, 800 to 1000 MHz, 1800 to 2400 MHz)

At vector modulation,

level error in comparison

with CW

(

At modulation mode, ALC: Off)

±0.2 dB [when outputting W-CDMA Downlink 1 code, 1 carrier]

At guaranteed range (Level) of level accuracy under following modulation conditions

50 MHz ≤ f ≤ 3 GHz: Level ≤+2 dBm

3 GHz < f ≤ 6 GHz: Level ≤–1 dBm

With Mechanical Attenuator Option

50 MHz ≤ f ≤ 3 GHz: Level ≤+7 dBm

3 GHz < f ≤ 6 GHz: Level ≤+4 dBm

Carrier leakage ≤–40 dBc (at 23 ±5°C)

Image rejection ≤–40 dBc (at 23 ±5°C. When using complex sine wave of 10 MHz or less)

External modulation

Input level: √(I

+ Q

) = 0.5 V (rms.), Maximum input level: –5 V (peak) ≤I, Q ≤+5 V (peak),

Input impedance: 50 Ω, Input connector: BNC-J (Front panel, Modulation Input IQ)

RF Spectrum invert

I, Q signal changeable when internal modulation.

Spectrum Normal: Usual spectrum output

Spectrum Reverse: Inverted spectrum output

Pulse modulation

Internal modulation

ON/OFF ratio: >60 dB, Rise/fall time: <90 ns (10 to 90%), Pulse repetition frequency: DC to 1 MHz,

(Duty 50%)

External modulation

Input range: 0 to 5 V, Input level threshold: about 1 V, ON/OFF ratio: >60 dB, Rise/Fall time: <90 ns

(10 to 90%), Pulse repetition frequency: DC to 1 MHz, (Duty 50%), Input connector: 50 Ω

BNC-J (rear panel, Ext Pulse Mod Input)

IQ Output

Output voltage range When output open. Output voltage amplitude + DC offset: –3.5 to +3.5 V

Output voltage amplitude

When output open.

Amplitude change:

• I and I changes simultaneously

• Q and Q changes simultaneously

• I/I and Q/Q changes independently

Amplitude variable range: 0 to 120% (100% = 640 mV rms, rms = 1634)

Variable step: 0.1%

Accuracy: ±0.5 dB (1 kHz sine wave, Amplitude variable range ≥10%)

DC Offset variable range

In-phase DC offset: Variable range: –1 to +3 V, Resolution: 10 mV

Differential DC offset: Variable range: –50 to +50 mV, Resolution: 50 µV

Output connector

50 Ω, D-Sub 15-J (rear panel, IQ Output, differential), Pin assignment (10 = I, 11 = I, 13 = Q, 14 = Q,

other = GND)

Arbitrary function

generation

Waveform resolution 14 bit

LPF

Automatic selection and manual selection

100, 300 kHz, 1, 3, 10, 30, 70 MHz, Through

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Anritsu MG3700A MG3700A Specifications Page 20

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