Single-Balanced Mixer

Assembly InstructionsRevision 2

Updated 5/7/2012

Single-Balanced Mixer AssemblyRevision History

Released 5/4/2012Revision 1 5/7/2012 Defined ground connection straps & clarified steps

Updated L1 part number (BOM)

Single-Balanced Mixer Assembly

ItemRef Desig

(Assy Dwg)Req'd

QtyPart # Description

RF Circuit Substrate PWB 1 TBD Printed CircuitChip Inductor L1 2 0805HT-12TJB Inductor, Chip, 12nH +/- 5%Chip Inductor L2 1 LQW18AN39NG00D Inductor, Chip, 39nH +/-2%Chip Capacitor C1 2 C06UL120G Capacitor, Chip, 12 pFChip Capacitor C2 1 C04UL2R7 Capacitor, Chip, 2.7 pFDiodes D1 1 630-HSMS-2822-TR1G Dual, Series90 Deg Hybrid Coupler U1 1 XC0900A-3S SMD CouplerSMA Connectors P1-P3 3 PAF-S05-007 PCB Edge Launch

Bill of Material - 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.

Figure 1

Narrow Strap Installation – 9 places

PWB

PWB Top

PWB Bottom

Narrow Strap

1

2 3

4

5

7

6

98

PWB Top

PWB Bottom

Wide Strap

Wide Strap Installation – 8 places

Installation of Ground Straps

S1

S2

S3 S4 S5

S6

S7S8

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

Coupler(U1)

Figure 2 Install SMA Conn (P3)

Install SMA Conn (P1)

Install SMA Conn (P2)

P1

P2

P3

PWB

Installation of Coupler & Connectors

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)

Cut run for Gap Width of approx. 20mil – 2 places

Cut run for Gap Widths of approx. 30 mil – 1 place

Figure 3

L1

L1

L2

C1

C1

PWB

Installation of LPF

Single-Balanced Mixer Assembly

• Assembly Instructions (cont.)– See Figure 4

• Install & solder Diode (D1) as shown.

Note: component is ESD sensitive – use necessary precautions

Diode PairHSMS2822 – TR1G

Figure 4 PWB

D1

Note: D1 is ESD Sensitive

Installation of D1

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

Figure 5

PWB

Strap

C2

C2

Side View

SolderSolder

Solder

PWB

Installation of C2