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Single-Balanced Mixer. Assembly Instructions Revision 2 Updated 5/7/2012. Single-Balanced Mixer Assembly. Revision History Released 5/4/2012 Revision 1 5/7/2012 Defined ground connection straps & clarified steps Updated L1 part number (BOM). Single-Balanced Mixer Assembly.
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Single-Balanced Mixer Assembly Instructions Revision 2 Updated 5/7/2012
Single-Balanced Mixer Assembly Revision History Released 5/4/2012 Revision 1 5/7/2012 Defined ground connection straps & clarified steps Updated L1 part number (BOM)
Single-Balanced Mixer Assembly • Assembly Instructions • See Figure 1 • Install & solder edge-wrap Wide Straps – 8 places approximately as shown on Figure 1 (numbered S1 – S8). • Use approx. 0.20 inch width straps. • Install & solder through narrow straps from front to back side – 9 places as shown in Figure 1 (numbered 1 – 9). • Use approx. 0.020 inch width straps.
Wide Strap Installation – 8 places Narrow Strap Installation – 9 places S1 S8 S7 Narrow Strap PWB Top PWB Top PWB Bottom PWB Bottom Wide Strap 1 2 3 S2 S6 4 7 5 6 8 9 Installation of Ground Straps Figure 1 S3 S5 S4 PWB
Single-Balanced Mixer Assembly • Assembly Instructions • See Figure 2 • Install & solder Coupler (U1) – 1 place • Install & solder SMA End Launch Connectors (P1 – P3) – 3 places
Installation of Coupler & Connectors Install SMA Conn (P1) P1 Coupler (U1) P2 Install SMA Conn (P2) Figure 2 Install SMA Conn (P3) PWB P3
Single-Balanced Mixer Assembly • Assembly Instructions (cont.) • See Figure 3 • Cut runs as shown (3 places) • Install & Solder L1 (2 places) & L2 (1 place) • Install & Solder C1 (2 places)
Installation of LPF L1 Cut run for Gap Width of approx. 20mil – 2 places C1 L2 Cut run for Gap Widths of approx. 30 mil – 1 place C1 L1 Figure 3 PWB
Single-Balanced Mixer Assembly • Assembly Instructions (cont.) • See Figure 4 • Install & solder Diode (D1) as shown. Note: component is ESD sensitive – use necessary precautions
Installation of D1 Diode Pair HSMS2822 – TR1G D1 Note: D1 is ESD Sensitive PWB Figure 4
Single-Balanced Mixer Assembly • Assembly Instructions (cont.) • See Figure 5 • Solder C2 terminal to RF circuit run as shown • Install the strap (0.020 inch) through the drilled hole in the PWB as shown and solder to the bottom of the circuit board and onto the side of the capacitor as shown. • Wash the board to clean off all flux residue (water soluble). • Package dry assembly in ESD static shielding bag. Note: The Assembly is ESD sensitive – use necessary precautions
Installation of C2 C2 PWB Solder Solder C2 Side View Strap PWB Figure 5 Solder