Appendix A Board Design
A.4 Mechanical Information
Quantity Part Number Description
2 CP-2440-ND (Digi-Key) 4-Position Circular DIN Conn.
1 AHS60G-ND (Digi-Key) 60 Pin, 100 Mil Shrouded Ribbon Conn.
1 2064-0000-00 M/A-COM SMA Right Angle Jack
7 S2011-01-ND (Digi-Key) 2 Pin, 100 Mil Header 1 S2011-02-ND (Digi-Key) 4 Pin, 100 Mil Header 1 S2011-12-ND (Digi-Key) 24 Pin, 100 Mil Header
4 74HCT541ADW 5 V buffer
2 IDT72271L20PF SuperSync 32K FIFO
2 74LCX541DW 3.3 V buffer
1 XC650CT-ND (Digi-Key) 40 MHz Oscillator
5 MSA-0910 6 GHz Amp
1 UPB581B Divider by 2 Prescaler
1 V602MC06 1.8 GHz VCO
1 ETC4-1T-6 .8 - 2 GHz transformer
4 AD586JR 5V reference
1 LM334M current reference
4 OP279GS high current op amp
5 ST5P502CT-ND (Digi-Key) 5K trimpot
8 PCS5106CT-ND (Digi-Key) Tantalum, size D, 25V, 10 uF cap.
29 PCC104BCT-ND (Digi-Key) Ceramic, size 1206, 0.1 uF cap.
8 PCC220CVCT-ND (Digi-Key) Ceramic, size 0603, 22 pf cap.
2 PCC220CQCT-ND (Digi-Key) Ceramic, size 0402, 22 pf cap.
3 PCC222BVCT-ND (Digi-Key) Ceramic, size 0603, 2200 pf cap.
13 PCC102BVCT-ND (Digi-Key) Ceramic, size 0603, 1000 pf cap.
12 PCC102BQCT-ND (Digi-Key) Ceramic, size 0402, 1000 pf cap.
2 PCE2046CT-ND (Digi-Key) Electrolytic, size G, 16 V, 470 uF cap.
2 PCE2048CT-ND (Digi-Key) Electrolytic, size G, 25 V, 220 uF cap.
10 P60.4CCT-ND (Digi-Key) Metal film, size 0805, 60.4 ohm res.
2 P68.1HCT-ND (Digi-Key) Metal film, size 0603, 68.1 ohm res.
2 P27.4HCT-ND (Digi-Key) Metal film, size 0603, 27.4 ohm res.
1 P49.9HCT-ND (Digi-Key) Metal film, size 0603, 49.9 ohm res.
2 P100LCT-ND (Digi-Key) Metal film, size 0402, 100 ohm res.
3 P1kCCT-ND (Digi-Key) Metal film, size 0805, 1 Kohm res.
1 3H32M Mini Systems RF package for PLL CHIP
Table A.1
Parts list for PC board in prototype
A.4. MECHANICAL INFORMATION 195
4-PositionCircular DIN 1
2
3 4
+12 V DIGITAL
D-S 1 D-S 2 D-S 3 D-S 4
D-S 0 D-S 5 D-S 6 D-S 7 D-S 8 D-S 9
SER_CLKSER_LOADSER_IN BLOCK REF_CLK
DIV_OUTCONTROLTUNE RF
DIV_IN Vdd_PRESOPOUTVdd_VCOVdd_RF DIV_INBLOCK
VDD_DHI
SER_LOAD SER_IN VDD_AHI
IBIAS VAR_REF OPOUT
VDD_AHI VDD_DHIREF_CLKVDD_DHIDIV_OUT
D-S 8D-S 7D-S 6 D-S 9
VDD_DLO SER_CLK
VDD_DHI VDD_DHI VDD_DHI D-S 4
D-S 3 D-S 2 D-S 1
D-S 0 VDD_DHI
VDD_DHI
DIV_IN
TUNE DIV_IN
PLL CHIP
RF PACKAGE 123456
7
8
9
10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25
26 27 28 29 30 31 32 D-S 5 POWER IBIASVAR_REFVDD_AHIVDD_RFVDD_DLOVDD_DHIBLOCK
Vdd_PRES Vdd_VCO
+3.3 V4-PositionCircular DIN 1
2
3
4 +5 V+3.3 V SCHEMATIC FOR BOARD (Mike Perrott, 6/96)
060322pf, 2200 pF
060322pf, 2200 pF2
060322pf, 2200 pF 060322pf, 2200 pF 060322pf, 2200 pF
1
3 1 2 060322pf, 2200 pF3
size G, 25 V220 uF2 size G, 16 V470 uF1 size G, 16 V470 uF1 2 Pin Header2 Pin Header2 Pin Header
NOTES:represents a 50 ohm traceAll 0603 capacitors shown on this page are for bypassing of PLL CHIP, and should be placed accordinglyPin order on all DIN connectors is not important and may be chosen based on layout considerations GND GND GND
2 Pin Header
3H32M C76 C77
J1
C64-66,200-202
J8
C67,203
C68,69,204,205
C70-72,206-208 C73,209 C74,75,210,211
C78,79
J2 J9J10J11
U27
C71 should be grounded next to pin 2 of U17 (in RF block)
Figure A.5: Primary schematic diagram of PC board.
DIGITAL CONTROL BLOCK 12345678910111213141516 74HCT541
17 1819 2021 2223 2425 2627 2829 3031 32
48474645444342414039383736353433
64 6362 6160 5958 57 56 55 54 53 52 51 50 49
WENSENFSVccVccGNDGNDGNDGNDGNDGNDGNDGNDGNDD8D7
D6D5 D4D3 D2D1 D0GND Q0Q1 GNDQ2 Q3Vcc
Q4Q5 GND Q6 Q7 Q8 DNC DNC GND DNC DNC DNC Vcc DNC DNC GND DNC DNC WCLKPRS
MRSLD FWFT/SI FF/IRGND PAF VccHF EF/ORPAE RCLKREN RTOE
IDT72271 1234567891011 12 13 14 15 16 17 18 19 20 74HCT541OE1A1A2A3A4A5A6A7A8GND
Y8 Y7 Y6 Y5 Y4 Y3 Y2 Y1 OE2 Vcc
1234567891011 12 13 14 15 16 17 18 19 20 74HCT541OE1A1A2A3A4A5A6A7A8GND
Y8 Y7 Y6 Y5 Y4 Y3 Y2 Y1 OE2 Vcc
1234567891011 12 13 14 15 16 17 18 19 2074HCT541OE1A1A2A3A4A5A6A7A8GND
Y8 Y7 Y6 Y5 Y4 Y3 Y2 Y1 OE2 Vcc
1234567891011 12 13 14 15 16 17 18 19 2074HCT541OE1A1A2A3A4A5A6A7A8GND
Y8 Y7 Y6 Y5 Y4 Y3 Y2 Y1 OE2 Vcc
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
+5 V+5 V
+5 V
+5 V +5 V
+5 V
+5 V +5 V
+5 V +5 V
+5 V +5 V
+5 V
1234567891011 12 13 14 15 16 17 18 19 2074LCX541OE1D0D1D2D3D4D5D6D7GND
O7 O6 O5 O4 O3 O2 O1 O0 OE2 Vcc
1234567891011 12 13 14 15 16 17 18 19 20 74LCX541OE1D0D1D2D3D4D5D6D7GND
O7 O6 O5 O4 O3 O2 O1 O0 OE2 Vcc
59575553514947454341393735333129272523211917151311975
1 3
60585654525048464442403836343230282624222018161412108642 12345678910111213141516 74HCT541
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
48474645444342414039383736353433
64 6362 6160 5958 5756 5554 5352 5150 49
WENSENFSVccVccGNDGNDGNDGNDGNDGNDGNDGNDGNDD8D7
D6D5 D4D3 D2D1 D0GND Q0Q1 GNDQ2 Q3Vcc
Q4Q5 GND Q6Q7 Q8DNC DNCGND DNCDNC DNCVcc DNCDNC GNDDNC DNC WCLKPRS
MRSLD FWFT/SI GND FF/IR PAFHF PAEVcc EF/OR RCLKREN RTOE
IDT72271 +5 V
+3.3 V
REF_CLKD-S 9D-S 8D-S 7D-S 6D-S 5
D-S 4D-S 3D-S 2D-S 1D-S 0SER_CLKSER_LOADSER_IN DIV_OUT I/O 39I/O 37I/O 31I/O 29I/O 27I/O 25I/O 15I/O 13I/O 11I/O 9I/O 23I/O 21I/O 19I/O 17I/O 7I/O 5I/O 3I/O 1 1 K
1 K
+3.3 V 123 4EnableVccOUTGND 40 Mhz Oscillator +5 V1 K
2 Pin Header
TUNE 4 Pin Header I/O 35
NOTES:DIV_OUT traces should be as short as possibleREF_CLK trace and those associated with the output of the 40 Mhz oscillator should be as short as possibleAll chips on this page should be bypassed with 1206, 0.1 uF capacitors (these must be as close to supply pins as possible, and may be mounted on the back of PC board if necessary)(Multiple bypass caps on the IDT72271 chips - one per supply pin) 0805
0805 0805
All 0805, 1K resistors on this page may be placed on the back of the PC board 12060.1 uF +5 V
1760 Pin ShroudedRibbon Connector
2 Pin Header
J3 C21-37
U1
U2
U3
U4 U5
U6 U7
U8 U9 J5R24
J6J12 R25 R23
Figure A.6: Schematic diagram of I/O section of PC board.
A.4. MECHANICAL INFORMATION 197
RF BLOCK VccInputBypassGNDGND Output 1 Output 2 Vcc12345 6 7 8 UPB581BDiv-by-2 Prescaler
1 2
3
V602MC061.8 Ghz VCO Vcc OUT
VtPRI
SEC ETC4 - 1T - 64:1 Transformer
123 45
060322 pF 06032200 pF
040222 pF 060322 pF060349.9 Ohms06032200 pF
M/A - COMSMA Right Angle Jack
06032200 pF
040222 pF NOTES:
Represents a 50 Ohm trace 0402100 Ohms 0402100 Ohms
DIV_IN Vdd_RF OPOUTVdd_VCO Vdd_PRESDIV_IN 060327.4 Ohms060368.1 Ohms 060327.4 Ohms 060368.1 Ohms
+12 V
MSA-09106 Ghz Amp INOUT GND
GND 1
2 3 4
60.4 Ohms22 pF 08050603
60.4 Ohms 0805
+12 V
MSA-09106 Ghz Amp INOUT GND
GND 1
2 3 4
60.4 Ohms22 pF 08050603
60.4 Ohms 0805
+12 V
MSA-09106 Ghz Amp INOUT GND
GND 1
2 3 4
60.4 Ohms22 pF 08050603
60.4 Ohms 0805 All traces and components associated with DIV_IN and DIV_IN must be kept symmetric to one another, and trace length minimized All 50 Ohm traces should be made as short as possible
All ground leads should be connected with multiple plated through-holes as close as possible to leads (holes may even be placed underneath the leads)All MSA-0910 chips should be bypassed with one 22 pf and one 2200 pf capacitor on top of the PC board.UPB581B chip should be bypassed with one 22pf and 2200 pF capacitor on each Vcc pin (caps must be placed on top of the board, close as possible to Vcc pin)V602MC06 chip should be grounded and bypassed as shown on Z-Communications Application NOTE AN-101 (also see NOTE AN-102) 060322pF,2200 pF +12 V
3 060322 pF,2200 pf +5 V
3 C39
C40 C41
C46C47 R21R22 R10R11 R9R8
U11U12
U17 U16 U14R16R19R17 R18 C44 C49 C48
U15 C43
R20
R14 R15
C50
C51-56C45,61-63,212-213 J4
Figure A.7: Schematic diagram of RF section of PC board.
2 Pin Header 13 245 6 7 8OUT A-IN A+IN A-V +VOUT B-IN B+IN B OP279 +12 V Vdd_VCO
U23 13 245 6 7 8DNC+VinDNCGND NRDNCVoutTRIM AD586 +12 V
U21
5 KohmTrimpot12060.1 uF 13 245 6 7 8DNC+VinDNCGND NRDNCVoutTRIM AD586 +12 V
1
3 2
45 6 7 8OUT A-IN A+IN A-V +VOUT B-IN B+IN B OP279 +12 V
U245 KohmTrimpot12060.1 uF 13 245 6 7 8RV -V -V +
NCV
-NC V - LM334M
1
3 2
45 6 7 8DNC+VinDNCGND NRDNCVoutTRIM AD586 +12 V 5 KohmTrimpot
VDD_DLO
+3.3 V IBIAS
VAR_REF
VDD_AHI
VDD_RF
VDD_DHI1
3 2
45 6 7 8OUT A-IN A+IN A-V +VOUT B-IN B+IN B OP279 +12 V
U265 KohmTrimpot12060.1 uF 13 245 6 7 8DNC+VinDNCGND NRDNCVoutTRIM AD586+12 V13 245 6 7 8OUT A-IN A+IN A-V +VOUT B-IN B+IN B OP279 +12 V
U255 KohmTrimpot12060.1 uF POWER BLOCK
12060.1 uF +12 V
12 +12 V
12 TantalumSize D, 25 V10 uF NOTES:All AD586 and OP279 chipsmust be bypassed with one1206 0.1uF (ceramic) andone 10 uF tantalum capacitor(may be mounted on back of PC board)
24 Pin Header J7
J13 R1
U18
U19 U20 U22
R4R5
C19C20 R2R3
C17C18 13 245 6 7 8OUT A-IN A+IN A-V +VOUT B-IN B+IN B OP279 +12 V
1
3 2
45 6 7 8OUT A-IN A+IN A-V +VOUT B-IN B+IN B OP279 +12 V 13 245 6 7 8OUT A-IN A+IN A-V +VOUT B-IN B+IN B OP279 +12 V 2 Pin Header2 Pin Header
J100J101
U100
U101
U102 C101-112C113-124 13 245 6 7 8DNC+VinDNCGND NRDNCVoutTRIM AD586 +12 V
U103 Vdd_PRES
Figure A.8: Schematic diagram of power regulating section of PC board.