DEMO MANUAL DC1710A-B LTC5591 Dual 1.3GHz to 2.3GHz High Dynamic Range Downconverting Mixer DESCRIPTION Demonstration circuit 1710A-B is a dual 1.3GHz to 2.3GHz The LTC5591s high conversion gain and high dynamic high dynamic range downconverting mixer featuring the range enable the use of lossy IF filters in high-selective LTC 5591. The LTC5591 is part of a family of dual-channel receiver designs, while minimizing the total solution cost, high dynamic range, high gain downconverting mixers board space and system-level variation. covering the 600MHz to 4.5GHz frequency range. The High Dynamic Range Dual Downconverting Mixer Family demo circuit 1710A-B and the LTC5591 are optimized DEMO IC PART RF RANGE LO RANGE for 1.3GHz to 2.3GHz RF applications. The LO frequency DC1710A-A LTC5590 600MHz to 1.7GHz 700MHz to 1.5GHz must fall within the 1.4GHz to 2.1GHz range for optimum DC1710A-B LTC5591 1.3GHz to 2.3GHz 1.4GHz to 2.1GHz performance. A typical application is a LTE or W-CDMA DC1710A-C LTC5592 1.6GHz to 2.7GHz 1.7GHz to 2.5GHz multichannel or diversity receiver with 1.7GHz or 2.1GHz DC1710A-D LTC5593 2.3GHz to 4.5GHz 2.1GHz to 4.2GHz RF input and low side LO. Design files for this circuit board are available at The LTC5591 is designed for 3.3V operation, however the DEMO MANUAL DC1710A-B PERFORMANCE SUMMARY T = 25C, VCC = VCCIF = 3.3V, ENA = ENB = High, ISEL = Low, P = 0dBm, C LO P = 3dBm (f = 2MHz for two-tone IIP3 tests), unless otherwise noted. (Note 1) RF PARAMETER CONDITIONS VALUE UNITS LO Input Frequency Range 1400 to 2100 MHz LO Input Return Loss Z = 50, f = 1400MHz to 2100MHz >12 dB 0 LO LO Input Power Range f = 1400MHz to 2100MHz 4 to 6 dBm LO RF Input Frequency Range Low Side LO 1600 to 2300 MHz High Side LO 1300 to 1800 MHz RF Input Return Loss Z = 50, f = 1300MHz to 2300MHz >12 dB 0 RF IF Output Frequency Can be re-matched for other frequencies 190 MHz IF Output Return Loss Z = 50 >12 dB 0 LO to RF Leakage f = 1400MHz to 2100MHz < 30 dBm LO LO to IF Leakage f = 1400MHz to 2100MHz < 30 dBm LO RF to LO Isolation f = 1300MHz to 2300MHz >45 dB RF RF to IF Isolation f = 1300MHz to 2300MHz >30 dB RF Channel-to-Channel Isolation f = 1750MHz to 2150MHz >47 dB RF Low Side LO Downmixer Application: ISEL = Low, RF = 1700MHz to 2300MHz, IF = 190MHz, f = f f LO RF IF Conversion Gain RF = 1750MHz 8.7 dB RF = 1950MHz 8.5 dB RF = 2150MHz 8.0 dB Input 3rd Order Intercept RF = 1750MHz 26.9 dBm RF = 1950MHz 26.2 dBm RF = 2150MHz 26.2 dBm SSB Noise Figure RF = 1750MHz 9.4 dB RF = 1950MHz 9.9 dB RF = 2150MHz 10.8 dB SSB Noise Figure Under Blocking f = 1950MHz, f = 1760MHz, f = 2050MHz, RF LO BLOCK P = 5dBm 15.5 dB BLOCK P = 10dBm 20.2 dB BLOCK 2RF 2LO Output Spurious Product f = 1855MHz at 10dBm, f = 1760MHz, 69 dBc RF LO (f = f + f /2) f = 190MHz RF LO IF IF 3RF 3LO Output Spurious Product f = 1823.33MHz at 10dBm, f = 1760MHz, 74 dBc RF LO (f = f + f /3) f = 190MHz RF LO IF IF Input 1dB Compression f = 1950MHz, VCCIF = 3.3V 10.7 dBm RF f = 1950MHz, VCCIF = 5V 13.9 dBm RF Low Power Mode, Low Side LO Downmixer Application: ISEL = High, RF = 1700MHz to 2300MHz, IF = 190MHz, f = f f LO RF IF Conversion Gain RF = 1950MHz 7.2 dB Input 3rd Order Intercept RF = 1950MHz 21.4 dBm SSB Noise Figure RF = 1950MHz 10.3 dB Input 1dB Compression f = 1950MHz, VCCIF = 3.3V 10.7 dBm RF f = 1950MHz, VCCIF = 5V 11.7 dBm RF dc1710abf 2