ZHCSPA8 数据表 | 德州仪器 TI.com.cn

ZHCSPA8 March 2024 AFE7950-SP

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4.12.10 RX Typical Characteristics at 2.6GHz

Typical values at T_A = +25°C, ADC Sampling Rate = 2949.12GHz. Default conditions: output sample rate = 491.52MSPS (decimate by 6), PLL clock mode with f_REF = 491.52MHz, A_IN = –3dBFS, DSA setting = 4dB.

With matching, normalized to power at 2.6GHz for each DSA setting

Figure 4-346 RX Inband Gain Flatness, f_IN = 2600MHz

With 2.6GHz matching
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA Setting = 0)

Figure 4-348 RX Calibrated Integrated Phase Error vs DSA Setting at 2.6GHz

With 2.6GHz matching, 12.5MHz offset from tone

Figure 4-350 RX Noise Spectral Density vs Temperature at 2.6GHz

With 2.6GHz matching, 12.5MHz offset from tone

Figure 4-352 RX Noise Spectral Density vs Input Amplitude and Channel at 2.6GHz

With 2.6GHz matching, tone spacing = 20MHz, DSA = 4dB

Figure 4-354 RX IMD3 vs Input Level and Temperature at 2.6GHz

With 2.6GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-356 RX HD2 vs DSA Setting and Channel at 2.6GHz

With 2.6GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-358 RX HD3 vs DSA Setting and Channel at 2.6GHz

With 2.6GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-360 RX HD3 vs Input Level and Channel at 2.6GHz

With 2.6GHz matching, decimate by 4

Figure 4-362 RX In-Band SFDR (±300 MHz) vs Input Amplitude and Temperature at 2.6GHz

With 2.6GHz matching, –7dBFS each tone, 20MHz tone spacing, all supplies at MIN, TYP, or MAX recommended operating voltages

Figure 4-364 RX IMD3 vs Supply and Channel at 2.6GHz

With 2.6GHz matching, normalized to fullscale at 25°C for each channel

Figure 4-347 RX Input Fullscale vs Temperature and Channel at 2.6GHz

With 2.6GHz matching, f_IN = 2610MHz, A_IN= –3dBFS

Figure 4-349 RX Output FFT at 2.6GHz

With 2.6GHz matching, DSA Setting = 12dB, 12.5MHz offset from tone

Figure 4-351 RX Noise Spectral Density vs Input Amplitude and Temperature at 2.6GHz

With 2.6GHz matching, each tone –7dBFS, tone spacing = 20MHz

Figure 4-353 RX IMD3 vs DSA Setting and Temperature at 2.6GHz

With 2.6GHz matching, tone spacing = 20MHz, DSA = 12dB

Figure 4-355 RX IMD3 vs Input Level and Temperature at 2.6GHz

With 2.6GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-357 RX HD2 vs Input Level and Temperature at 2.6GHz

With 2.6GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-359 RX HD3 vs DSA Setting and Temperature at 2.6GHz

With 2.6GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-361 RX HD3 vs Input Level and Temperature at 2.6GHz

With 2.6GHz matching

Figure 4-363 RX Non-HD2/3 vs DSA Setting at 2.6GHz

With 2.6GHz matching, 12.5MHz offset, all supplies at MIN, TYP, or MAX recommended operating voltages

Figure 4-365 RX Noise Spectral Density vs Supply and Channel at 2.6GHz