LT5579IUH-PBF LINER [Linear Technology], LT5579IUH-PBF Datasheet
LT5579IUH-PBF
Related parts for LT5579IUH-PBF
LT5579IUH-PBF Summary of contents
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FEATURES n High Output IP3: +27.3dBm at 2.14GHz n Low Noise Floor: –158dBm/ High Conversion Gain: 2.6dB at 2.14GHz n Wide Frequency Range: 1.5GHz to 3.8GHz* n Low LO Leakage n Single-Ended RF and LO n Low LO ...
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... ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LT5579IUH#PBF LT5579IUH#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: For more information on tape and reel specifi ...
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AC ELECTRICAL CHARACTERISTICS Δf = 1MHz –1dBm, unless otherwise noted. Test circuits are shown in Figure 1. (Notes PARAMETER IF Input Return Loss LO Input Return Loss RF Output Return Loss LO Input Power = ...
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LT5579 TYPICAL DC PERFORMANCE CHARACTERISTICS TYPICAL AC PERFORMANCE CHARACTERISTICS V = 3.3V 25° 456MHz output measured at 3600MHz, unless otherwise noted. (Test circuit shown in Figure 1) Gain Distribution at 3600MHz ...
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TYPICAL AC PERFORMANCE CHARACTERISTICS V = 3.3V 25° 456MHz output measured at 3600MHz, unless otherwise noted. (Test circuit shown in Figure 1) Conversion Gain and OIP3 vs RF Output Frequency 16 ...
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LT5579 TYPICAL AC PERFORMANCE CHARACTERISTICS V = 3.3V 25° 456MHz output measured at 2600MHz, unless otherwise noted. (Test circuit shown in Figure 1) Conversion Gain and OIP3 vs RF Output Frequency ...
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TYPICAL PERFORMANCE CHARACTERISTICS V = 3.3V 25° 240MHz output measured at 2140MHz, unless otherwise noted. (Test circuit shown in Figure 1) Conversion Gain and OIP3 vs RF Output Frequency 16 12 ...
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LT5579 TYPICAL PERFORMANCE CHARACTERISTICS V = 3.3V 25° 240MHz output measured at 1750MHz, unless otherwise noted. (Test circuit shown in Figure 1) Conversion Gain and OIP3 vs RF Output Frequency 16 ...
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PIN FUNCTIONS GND (Pins 1, 2, 5-7, 12-14, 16-18, 19-21, 23, 24): Ground Connections. These pins are internally connected to the exposed pad and should be soldered to a low impedance RF ground on the printed circuit board. + – ...
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LT5579 BLOCK DIAGRAM LO 22 GND PINS ARE NOT SHOWN EXPOSED RF PAD DOUBLE LO BUFFER BALANCED V CC2 V CM CTRL + – MIXER V CC2 ...
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TEST CIRCUIT T1 C1 4:1 IF INPUT 1750MHz f = 2140MHz RF RF REF DES f = 240MHz f = 240MHz IF IF C1, C2 82pF 82pF C3 — C4 100pF 100pF C5 10pF 10pF C6 1nF ...
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LT5579 APPLICATIONS INFORMATION The LT5579 uses a high performance LO buffer amplifi er driving a double-balanced mixer core to achieve frequency conversion with high linearity. Internal baluns are used to provide single-ended LO input and RF output ports. The IF ...
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APPLICATIONS INFORMATION C9 to step the impedance up to about 12.5Ω. At lower frequencies additional series inductance may be required between the IF ports and C9. The position of C9 may vary with the IF frequency due to the different ...
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LT5579 APPLICATIONS INFORMATION LO Input Interface The simplifi ed schematic for the single-ended LO input port is shown in Figure 4. An internal transformer provides a broadband impedance match and performs single-ended to differential conversion. An internal capacitor also aids ...
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APPLICATIONS INFORMATION RF Output Interface The RF output interface is shown in Figure 6. An internal RF transformer reduces the mixer core output impedance to simplify matching of the RF output pin. A center tap in the transformer provides the ...
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LT5579 TYPICAL APPLICATIONS The following examples illustrate the implementation and performance of the LT5579 in different frequency confi gurations. These circuits were evaluated using the circuit board shown in Figure 12. 1650MHz Application In this case, the LT5579 was evaluated ...
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TYPICAL APPLICATIONS The RF port impedance match was realized with C8 = 1.5pF and L3 = 6.8nH. The optimum impedance match was purposefully shifted high in order to achieve better OIP3 performance at the desired frequency. Figure 9 shows the ...
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LT5579 TYPICAL APPLICATIONS 2140MHz with Low Side LO The LT5579 was fully characterized with an RF output of 2140MHz and a high side LO. The part also works well when driven with low side LO, however, the performance benefi ted ...
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PACKAGE DESCRIPTION 5.40 ±0.05 3.90 ±0.05 3.20 ± 0.05 3.25 REF 3.20 ± 0.05 RECOMMENDED SOLDER PAD LAYOUT APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED 5.00 ± 0.10 PIN 1 TOP MARK (NOTE 6) 5.00 ± 0.10 NOTE: ...
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LT5579 RELATED PARTS PART NUMBER DESCRIPTION Infrastructure LT5514 Ultralow Distortion, IF Amplifi er/ADC Driver with Digitally Controlled Gain LT5517 40MHz to 900MHz Quadrature Demodulator LT5518 1.5GHz to 2.4GHz High Linearity Direct Quadrature Modulator LT5519 0.7GHz to 1.4GHz High Linearity Upconverting ...