BTC Z22 Manual do Utilizador descarregar pdf (Página 9)

Version 02.00, November 2014

Rohde & Schwarz R&S

BTC Broadcast Test Center 9

Spectral purity

Harmonics

CW, level < 10 dBm

< –30 dBc

Nonharmonics

CW, I/Q modulation (full-scale DC input), level > –10 dBm,

> 10 kHz offset from carrier and outside the modulation spectrum

100 kHz ≤ f ≤ 200 MHz

< –77 dBc

200 MHz < f ≤ 1500 MHz

< –80 dBc

1500 MHz < f ≤ 3 GHz

< –74 dBc

3 GHz < f ≤ 6 GHz

< –68 dBc

CW, I/Q modulation (full-scale DC input), level > –10 dBm,

> 850 kHz offset from carrier and outside the modulation spectrum

100 kHz ≤ f ≤ 200 MHz

< –77 dBc

200 MHz < f ≤ 1500 MHz

< –86 dBc

1500 MHz < f ≤ 3 GHz

< –80 dBc

3 GHz < f ≤ 6 GHz

< –74 dBc

Nonharmonics with R&S

BTC-B3100

option

CW, I/Q modulation (full-scale DC input), level > –10 dBm,

> 10 kHz offset from carrier and outside the modulation spectrum

100 kHz ≤ f ≤ 200 MHz

< –77 dBc, –87 dBc (typ.)

200 MHz < f ≤ 1500 MHz

< –90 dBc

1500 MHz < f ≤ 3 GHz

< –84 dBc

3 GHz < f ≤ 6 GHz

< –78 dBc

Power supply and mechanically related

nonharmonics

at RF = 1 GHz,

50 Hz to 10 kHz from carrier

< –80 dBc

Subharmonics

1500 MHz < f ≤ 6000 MHz

< –74 dBc

Wideband noise

carrier offset > 30 MHz, measurement bandwidth = 1 Hz

CW, level = 10 dBm

20 MHz ≤ f ≤ 200 MHz

< –146 dBc, –149 dBc (typ.)

200 MHz < f ≤ 6 GHz

< –150 dBc, –152 dBc (typ.)

I/Q modulation with full-scale internal single carrier signal,

I/Q input gain = +2 dB, level = 10 dBm

20 MHz ≤ f ≤ 200 MHz

< –139 dBc, –142 dBc (typ.)

200 MHz < f ≤ 1 GHz

< –141 dBc, –144 dBc (typ.)

1 GHz < f ≤ 3 GHz

< –142 dBc, –145 dBc (typ.)

3 GHz < f ≤ 6 GHz

< –140 dBc, –143 dBc (typ.)

SSB phase noise

CW, carrier offset = 20 kHz, measurement bandwidth = 1 Hz

20 MHz ≤ f ≤ 200 MHz

< –128 dBc, –132 dBc (typ.)

f = 1 GHz

< –131 dBc, –135 dBc (typ.)

f = 2 GHz

< –125 dBc, –129 dBc (typ.)

f = 3 GHz

< –121 dBc, –125 dBc (typ.)

f = 4 GHz

< –119 dBc, –123 dBc (typ.)

f = 6 GHz

< –115 dBc, –119 dBc (typ.)

SSB phase noise with R&S

BTC-B3100

option

CW, carrier offset = 20 kHz, measurement bandwidth = 1 Hz

20 MHz ≤ f ≤ 200 MHz

< –135 dBc, –138 dBc (typ.)

f = 1 GHz

< –136 dBc, –139 dBc (typ.)

f = 2 GHz

< –130 dBc, –133 dBc (typ.)

f = 3 GHz

< –126 dBc, –129 dBc (typ.)

f = 4 GHz

< –124 dBc, –127 dBc (typ.)

f = 6 GHz

< –120 dBc, –123 dBc (typ.)

Residual FM

RMS value at f = 1 GHz

300 Hz to 3 kHz

< 1 Hz

20 Hz to 23 kHz

< 4 Hz

Residual AM

RMS value (20 Hz to 23 kHz)

< 0.02 %

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BTC Z22 Manual do Utilizador Página 9

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