Products and Services

Functional Description The SKY42068 consists of a high dynamic active mixer, LO amplifiers, and a selectable LO input. The SKY42068 was specifically designed to meet the needs of high performance receivers. The mixer shares two independent LO signals, LO_1 and LO_2, that are selected using a common CMOS-compatible control signal. With this ability, the device can be used in applications where frequency hopping is required. Electrical and Mechanical Specifications Signal pin assignments and functional pin descriptions are described in Table 1. The absolute maximum ratings of the SKY42068 are provided in Table 2. The recommended operating conditions are specified in Table 3 and elec Evaluation Board Description The SKY42068 Evaluation Board is used to test the SKY42068 mixer performance. The SKY42068 Evaluation Board schematic diagram is shown in Figure 3. Figure 4 displays the Evaluation Board layout. The Bill of Materials (BOM) is provided in Table 5. Circuit Design Configurations The following design considerations are general in nature and must be followed regardless of final use or configuration: 1. Paths to ground should be made as short as possible. 2. The ground pad of the SKY42068 mixer has special electrical and thermal grounding requirements. This pad is the main thermal conduit for heat dissipation. Since the circuit board acts as the heat sink, it must shunt as much heat as possible from the mixer. As such, design the connection to the ground pad to dissipate the maximum wattage produced to the circuit board. Multiple vias to the grounding layer are required.

---

• Request Information
• Contact Details
• Company Profile

---