ZHCSPA8 数据表 | 德州仪器 TI.com.cn

ZHCSPA8 March 2024 AFE7950-SP

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4.12.12 RX Typical Characteristics at 4.9GHz

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 4.9GHz for each DSA setting

Figure 4-393 RX Inband Gain Flatness, f_IN = 4900MHz

With 4.9GHz matching, normalized to phase at 25°C

Figure 4-395 RX Input Phase vs Temperature and DSA at f_OUT = 4.9GHz

With 4.9GHz matching
Differential Amplitude Error = P_IN(DSA Setting – 1) – P_IN(DSA Setting) + 1

Figure 4-397 RX Calibrated Differential Amplitude Error vs DSA Setting at 4.9GHz

With 4.9GHz matching
Integrated Amplitude Error = P_IN(DSA Setting) – P_IN(DSA Setting = 0) + (DSA Setting)

Figure 4-399 RX Calibrated Integrated Amplitude Error vs DSA Setting at 4.9GHz

With 4.9GHz matching
Differential Phase Error = Phase_IN(DSA Setting – 1) – Phase_IN(DSA Setting)

Figure 4-401 RX Calibrated Differential Phase Error vs DSA Setting at 4.9GHz

With 4.9GHz matching
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA Setting = 0)

Figure 4-403 RX Calibrated Integrated Phase Error vs DSA Setting at 4.9GHz

With 4.9GHz matching, 12.5-MHz offset from tone

Figure 4-405 RX Noise Spectral Density vs Temperature at 4.9GHz

With 4.9GHz matching, 12.5MHz offset from tone

Figure 4-407 RX Noise Spectral Density vs Input Amplitude and Channel at 4.9GHz

With 4.9GHz matching, tone spacing = 20MHz, DSA = 4dB

Figure 4-409 RX IMD3 vs Input Level and Temperature at 4.9GHz

With 4.9GHz matching, measured after HD2 trim, DDC bypass mode (TI only mode for characterization)

Figure 4-411 RX HD2 vs DSA Setting and Channel at 4.9GHz

With 4.9GHz matching, measured after HD2 trim, DDC bypass mode (TI only mode for characterization)

Figure 4-413 RX HD2 vs Input Level and Temperature at 4.9GHz

With 4.9GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-415 RX HD3 vs DSA Setting and Temperature at 4.9GHz

With 4.9GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-417 RX HD3 vs Input Level and Temperature at 4.9GHz

With 4.9GHz matching

Figure 4-419 RX Non-HD2/3 vs DSA Setting at 4.9GHz

With 4.9GHz matching, 12.5MHz offset, all supplies at MIN, TYP, or MAX recommended operating voltages

Figure 4-421 RX Noise Spectral Density vs Supply and Channel at 4.9GHz

With 4.9GHz matching, normalized to fullscale at 25°C for each channel

Figure 4-394 RX Input Fullscale vs Temperature and Channel at 4.9GHz

With 4.9GHz matching
Differential Amplitude Error = P_IN(DSA Setting – 1) – P_IN(DSA Setting) + 1

Figure 4-396 RX Uncalibrated Differential Amplitude Error vs DSA Setting at 4.9GHz

With 4.9GHz matching
Integrated Amplitude Error = P_IN(DSA Setting) – P_IN(DSA Setting = 0) + (DSA Setting)

Figure 4-398 RX Uncalibrated Integrated Amplitude Error vs DSA Setting at 4.9GHz

With 4.9GHz matching
Differential Phase Error = Phase_IN(DSA Setting – 1) – Phase_IN(DSA Setting)

Figure 4-400 RX Uncalibrated Differential Phase Error vs DSA Setting at 4.9GHz

With 4.9GHz matching
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA Setting = 0)

Figure 4-402 RX Uncalibrated Integrated Phase Error vs DSA Setting at 4.9GHz

With 4.9GHz matching, f_IN = 4910MHz, A_IN= –3dBFS

Figure 4-404 RX Output FFT at 4.9GHz

With 4.9GHz matching, DSA Setting = 12dB, 12.5MHz offset from tone

Figure 4-406 RX Noise Spectral Density vs Input Amplitude and Temperature at 4.9GHz

With 4.9GHz matching, each tone –7dBFS, tone spacing = 20MHz

Figure 4-408 RX IMD3 vs DSA Setting and Temperature at 4.9GHz

With 4.9GHz matching, tone spacing = 20MHz, DSA = 12dB

Figure 4-410 RX IMD3 vs Input Level and Temperature at 4.9GHz

With 4.9GHz matching, measured after HD2 trim, DDC bypass mode (TI only mode for characterization)

Figure 4-412 RX HD2 vs DSA and Temperature at 4.9GHz

With 4.9GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-414 RX HD3 vs DSA Setting and Channel at 4.9GHz

With 4.9GHz matching, DDC bypass mode (TI only mode for characterization)

Figure 4-416 RX HD3 vs Input Level and Channel at 4.9GHz

With 4.9GHz matching, decimate by 3

Figure 4-418 RX In-Band SFDR (±400 MHz) vs Input Amplitude and Channel at 4.9GHz

With 4.9GHz matching, –7dBFS each tone, 20MHz tone spacing, all supplies at MIN, TYP, or MAX recommended operating voltages

Figure 4-420 RX IMD3 vs Supply and Channel at 4.9GHz