REV. 0

–17–

AD6645

Table II. AD6645ASQ/PCB Bill of Materials

Item

No.

Qty

Description

Manufacturer

11

6645EE01C

AD6644/AD6645 Evaluation Printed Circuit Board

PCSM, Inc. (6645EE01C)

23

C1, C2, C38

Capacitor, Tantalum SMT T491C, 10

mF; 16 V; 10%

Kemet (T491C106M016AS)

39

C3, C7–C11, C16,

Capacitor, SMT 0508, 0.1

mF; 16 V; 10%

Presidio Components

C30, C32

(0508X7R104K16VP6)

48

C4, C22–C26, C29,

Capacitor, SMT 0805, 0.1

mF; 25 V; 10%

Panasonic (ECJ-2VB1E104K)

(C33), (C34), C39

50

(C5, C6)

Capacitor, SMT 0805, 0.01

mF; 50 V; 10%

Panasonic (ECJ-2YB1H103K)

69

C12–C14, C17–C21,

Capacitor, SMT 0508, 0.01

mF; 16 V; 10%

Presidio Components

C40

(0508X7R103M2P3)

71

CR1

Diode, Schottky Barrier, Dual

Panasonic (MA716-TX)

81

E3, E4, E5

100" Straight Male Header (Single Row), 3 of 50 pins

Samtec (TSW-1-50-08-G-S)

94

F1–F4

EMI Suppression Ferrite Chip, SMT 0805

Steward (HZ0805E601R-00)

10

1

J1

Connector, PCB Pin Strip; 5 pins; 5 mm pitch

Wieland (Z5.530.0525.0)

11

1

J1

Connector, PCB Terminal; 5 pins; 5 mm pitch

Wieland (25.602.2553.0)

12

1

J2

Terminal Strip, 50 pin; right angle

Samtec (TSW-125-08-T-DRA)

13

0

(J3)

Connector, SMA; RF; Gold

Johnson Components, Inc.

(142-0701-201)

14

2

J4, J5

Connector, Coaxial RF Receptacle; 50

W

AMP (227699-2)

15

0

(R1)

Resistor, SMT 0402; 100; 1/16w; 1%

Panasonic (ERJ-2RKF1000X)

16

0

(R2)

2

Resistor, SMT 1206; 60.4; 1/8w; 1%

Panasonic (ERJ-8ENF60R4V)

17

0

(R3, R4, R5, R8)

Resistor, SMT 0805; 499; 1/10w; 1%

Panasonic (ERJ-6ENF4990V)

18

2

R6, R7

Resistor, SMT 0805; 25.5; 1/10w; 1%

Panasonic (ERJ-6ENF25R5V)

19

1

R9

Resistor, SMT 0805; 348; 1/10w; 1%

Panasonic (ERJ-6ENF3480V)

20

1

R10

Resistor, SMT 0805; 619; 1/10w; 1%

Panasonic (ERJ-6ENF6190V)

21

0

(R11), (R13)

Resistor, SMT 0805; 66.5; 1/10w; 1%

Panasonic (ERJ-6ENF66R5V)

22

0

(R12), (R14)

Resistor, SMT 0805; 100; 1/10w; 1%

Panasonic (ERJ-6ENF1000V)

23

1

R15

2

Resistor, SMT 0402; 178; 1/16w; 1%

Panasonic (ERJ-2RKF1780X)

24

1

R35

Resistor, SMT 0805; 49.9; 1/10w; 1%

Panasonic (ERJ-6ENF49R9V)

25

2

RN1, RN3

Resistor Array, SMT 0402; 470; 1/4w; 5%

Panasonic (EXB2HV471JV)

26

2

RN2, RN4

Resistor Array, SMT 0402; 220; 1/4w; 5%

Panasonic (EXB2HV221JV)

27

1

T2

RF Transformer, SMT KK81, 0.2–350 MHz; 4:1

W Ratio Mini-Circuits (T4-1-KK81)

28

1

T3

RF Transformer, SMT CD542, 2–775 MHz; 4:1

W Ratio Mini-Circuits (ADT4-1WT)

29

1

U1

I.C., QFP-52; 14-Bit, 80 MSPS

Analog Devices (AD6645ASQ)

Wideband Analog-to-Digital Converter

30

2

U2, U7

I.C., SOIC-20; Octal D-Type Flip-Flop

Fairchild (74LCX574WM)

31

0

(U3)

I.C., SOIC-8; Low Distortion Differential ADC Driver

Analog Devices (AD8138AR)

32

2

U4, U6

I.C., SMT SOT-23; TinyLogic UHS 2-Input OR Gate

Fairchild (NC7SZ32)

33

1

U5

3

Clock Oscillator, Full Size MX045; 80 MHz

CTS Reeves (MXO45-80)

34

4

U5

3

Connector, Miniature Spring Socket,

Amp (5-330808-3)

35

0

(U8)

I.C., SOIC-8; Differential Receiver

Motorola (MC100EL16)

36

4

See drawing

Circuit Board Support on Base

Richo (CBSB-14-01)

37

1

See drawing

0.100" Shorting Block

Jameco (152670)

NOTES

AC-coupled AIN is standard, R3, R4, R5, R8, and U3 are not installed.

If dc-coupled AIN is required, C30, T3, and R15 are not installed.

AC-coupled ENCODE is standard. C5, C6, C33, C34, R1, R11–R14, and U8 are not installed.

If PECL ENCODE is required, CR1 and T2 are not installed.

W impedance input matching on the primary of T3. R15 is not installed.

R15 is installed for 50

W impedance input matching on the secondary of T3. R2 is not installed.