6.5 Transmitter Electrical Characteristics

Typical values at TA = +25°C, full temperature range is TA,MIN = -40°C to TJ,MAX = +110°C; TX Input Rate = 491.52MSPS

below 6GHz and 1474.56MSPS above 6GHz, fDAC = 11796.48MSPS; PLL clock mode below 6GHz output frequency and

External clock mode above 6GHz output frequency; interleave mode for 1st Nyquist, non-interleave mix mode for 2nd Nyquist,

nominal power supplies; 1 tone at -1 dBFS; DSA Attenuation =0dB; SerDes rate = 16.22Gbps, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DACRES

DAC resolution

14

bits

fRFout

RF output frequency range

fDAC = 12 GSPS, 1st Nyquist

600

6000

MHz

fDAC = 12 GSPS, 2nd Nyquist

6000

12000

fDAC = 9 GSPS, 1st Nyquist

600

4500

fDAC = 9 GSPS, 2nd Nyquist

4500

9000

fDAC = 6 GSPS, 1st Nyquist

600

3000

fDAC =6 GSPS, 2nd Nyquist

3000

6000

Pmax_FS

Max Full Scale Output Power, max

gain 1 tone, at device pins

fout = 850 MHz, fDAC = 5898.24 MSPS,

-0.5dBFS

4.2

dBm

fout = 1800 MHz, fDAC = 5898.24

MSPS, -0.5dBFS

4.6

dBm

fout = 2600 MHz, fDAC = 8847.36

MSPS, -0.5dBFS

4.0

dBm

fout = 3500 MHz, -0.5dBFS

3.9

dBm

fout = 4900 MHz, -0.5dBFS

3.1

dBm

fout = 3500 MHz, fDAC = 5898.24

MSPS, -0.5dBFS, straight mode

1.0

dBm

fout = 4900 MHz, fDAC = 5898.24

MSPS, -0.5dBFS, straight mode

0.1

dBm

fout = 4900 MHz, fDAC = 8847.36

MSPS, -0.5dBFS, straight mode

-0.7

dBm

fout = 8100 MHz, -0.1dBFS, mixed

mode

-2.8

dBm

fout = 9600 MHz, -0.1dBFS, mixed

mode

-4.3

dBm

RTERM

Output termination resistor

Default setting

50

Ω

ATTrange

DSA Attenuation range

40

dB

ATTstep

DSA Analog Attenuation step

1.0

dB

DSA Attenuation step accuracy (DNL) 0 < Atten < 40dB, before calibration

±0.2

dB

DSA Attenuation step accuracy (DNL) 0 < Atten < 40dB, after calibration

±0.1

dB

ATTphase-err

DSA Gain Steps Phase accuracy, any

8dB range

fout = 850MHz(2)

±1

deg

fout = 1800MHz(2)

±1

deg

fout =2600MHz(2)

±1

deg

fout = 3500MHz(2)

±1

fout = 4900MHz(2)

±1

deg

fout = 8100MHz(2)

±2

deg

fout = 9600MHz(2)

±2

deg

Gflat

Gain flatness

any 20MHz

0.1

dB

600MHz BW, Fout < 4.9G

1.2

AFE7954

SBASAO7 – JULY 2023

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