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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC6948 датащи(PDF) 4 Page - Analog Devices |
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LTC6948 датащи(HTML) 4 Page - Analog Devices |
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4 / 26 page  LTC5556 4 Rev 0 For more information www.analog.com AC ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TC = 25°C. VCC = VDD = 3.3V, EN1, EN2 = High, PRF = –6dBm/Tone, PLO = 0dBm, unless otherwise noted. Test circuit shown in Figure 1. (Notes 3, 4, 5) 2.6GHz to 6.4GHz RF Input Matching (See Figure 1): RF = 3.6GHz, IF = 270MHz, Low Side LO PARAMETER CONDITIONS FULL PWR REDUCED PWR UNITS MIN TYP MAX TYP RF Input Return Loss ZO = 50Ω, 2.6GHz to 6.4GHz >10 >10 dB Power Conversion Gain 0dB IF ATTEN 3dB IF ATTEN 6dB IF ATTEN 9dB IF ATTEN 12dB IF ATTEN 15dB IF ATTEN 4.4 9.1 6.0 3.0 0.0 –3.0 –6.1 8.8 5.7 2.7 –0.3 –3.4 –6.4 dB dB dB dB dB dB Conversion Gain Flatness RF = 3.6GHz ±100MHz, LO = 3.33GHz ±0.25 ±0.25 dB Conversion Gain vs Temperature TC = –40°C to 105ºC l –0.013 –0.013 dB/°C Two-Tone Input 3rd Order Intercept (ΔfRF = 2MHz) 0dB IF ATTEN 3dB IF ATTEN 6dB IF ATTEN 9dB IF ATTEN 12dB IF ATTEN 15dB IF ATTEN 22.2 23.0 23.6 23.9 24.1 24.2 17.8 18.2 18.5 18.7 18.8 18.8 dBm dBm dBm dBm dBm dBm Two-Tone Output 3rd Order Intercept (ΔfRF = 2MHz) 0dB IF ATTEN 3dB IF ATTEN 6dB IF ATTEN 9dB IF ATTEN 12dB IF ATTEN 15dB IF ATTEN 31.3 29.0 26.6 23.9 21.1 18.1 26.6 23.9 21.2 18.4 15.4 12.4 dBm dBm dBm dBm dBm dBm Two-Tone Input 2nd Order Intercept (ΔfRF = 271MHz = fIM2) 0dB to 15.5dB IF ATTEN 52 50 dBm SSB Noise Figure 0dB IF ATTEN 3dB IF ATTEN 6dB IF ATTEN 9dB IF ATTEN 12dB IF ATTEN 15dB IF ATTEN 14.1 15.2 16.6 18.6 21.0 23.5 13.3 14.7 16.4 18.6 21.2 24.1 dB dB dB dB dB dB SSB Noise Figure Under Blocking (3.7GHz Blocker) +2dBm BLOCKER, 3dB IF ATTEN +5dBm BLOCKER, 3dB IF ATTEN 19.3 21.7 19.0 21.5 dB dB LO to RF Leakage LO = 1.5GHz to 7GHz <–46 <–46 dBm 1/2 IF Output Spurious Product (fRF Offset to Produce Spur at fIF = 270MHz) fRF = 3465MHz, PRF = –6dBm 0dB to 15.5dB IF ATTEN –59 –58 dBc 1/3 IF Output Spurious Product (fRF Offset to Produce Spur at fIF = 270MHz) fRF = 3420MHz, PRF = –6dBm 0dB to 15.5dB IF ATTEN –64 –60 dBc Input 1dB Compression 0dB IF ATTEN 3dB IF ATTEN 6dB IF ATTEN 9dB IF ATTEN and Higher 8.7 10.9 11.5 11.6 7.7 9.5 10.0 10.0 dBm dBm dBm dBm Output 1dB Compression 0dB IF ATTEN 3dB IF ATTEN 6dB IF ATTEN 9dB IF ATTEN 16.8 15.9 13.5 10.6 15.5 14.2 11.7 8.7 dBm dBm dBm dBm Channel-to-Channel Isolation RF = 3.6GHz 44 44 dB |
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