ADL5336ACPZ-R7 datasheet(28/30 Pages) AD

28 / 30 page

ADL5336

Data Sheet

Rev. C | Page 28 of 30

BILL OF MATERIALS (BOM)

Table 11. Evaluation Board Configuration Options

Components

Function

Default Conditions

C1, C2, C5, C6, C7, C16,

C17, C18, C25, L1, L2

Power supply and ground decoupling. Nominal supply

decoupling consists of 0.1 μF capacitor to ground.

C1, C2 = 10 μF (0805),

C5, C6, C7, C16, C17 = 0.1 μF (0402),

C18, C25 = 0.1 μF (0402),

L1, L2 = 33 μH (0805)

C3, C4, C21, T1

VGA1 input interface. The balun T1 has a 4:1 impedance ratio that

transforms a single-ended signal in a 50 Ω system into a

differential signal in a 200 Ω system. C3 and C4 provide ac

coupling into VGA1, and C21 provides an ac ground for the balun.

C3, C4, C21 = 0.1 μF (0402),

T1 = Mini-Circuits TC4-1W

C10, C11, C14, C15, C23,

C24, R3, R4, R13, T4, T5

VGA2 input interface. The T4 and T5 baluns have 4:1 impedance

ratios that transform single-ended signals in a 50 Ω system into

differential signals in a 200 Ω system. The user has a choice of

either Input A or Input B, which is set by Bit B6 in the internal

provide ac coupling into VGA2, and C10 and C24 provide an ac

ground for the baluns. R3, R4, and R13 are left open by default. AC

ground can be achieve by placing 0 Ω jumpers at R3 and R4. A

0 Ω jumper can be installed at R13 to drive Input B of VGA2 single

ended. Note that R4 must be open and R3 must have a 0 Ω

jumper installed.

C10, C11, C14 = 0.1 μF (0402),

C15, C23, C24 = 0.1 μF (0402),

R3, R4, R13 = open (0402),

T4, T5 = Mini-Circuits TC4-1W

C8, C9, C22, R14, R15, T2

VGA1 output interface. The T2 balun has a 4:1 impedance ratio

that transforms a differential signal in a 200 Ω system into a

single-ended signal in a 50 Ω system. C8 and C9 provide ac

coupling out of VGA1, and C22 provides an ac ground for the

balun. R14 and R15 can be made 0 Ω and dc-couple the output of

VGA1 into the input of VGA2 in cascading applications.

C8, C9, C22 = 0.1 μF (0402),

R14, R15 = open (0402),

T2 = Mini-Circuits TC4-1W

C19, C20, R5, R6, R7, R8, T3

VGA2 output interface. The transmission line transformer, T3, has

a 1:1 impedance ratio that transforms a differential signal to a

single-ended signal. The 50 Ω impedance is the same on both the

primary and secondary side balun. C19 and C20 provide ac

coupling out of VGA2. R5, R6, R7, and R8 raise the impedance that

the output of VGA2 sees to 100 Ω differential.

C19, C20 = 0.1 μF (0402),

R5, R6 = 37.4 Ω (0402),

R7, R8 = 24.9 Ω (0402),

T3 = M/A-COM ETC1-1-13

R1, C12

Detector 1 interface. R1 serves as a 0 Ω jumper to connect the

integrating capacitor, C12, that is needed when VGA1 is being

used in AGC mode.

R1 = 0 Ω (0402),

C12 = 0.1 μF (0402)

R2, C13

Detector 2 interface. R2 serves as a 0 Ω jumper to connect the

integrating capacitor, C13, that is needed when VGA2 is being

used in AGC mode.

R2 = 0 Ω (0402),

C13 = 0.1 μF (0402)

Enable interface. The ADL5336 is powered up by applying a logic

high voltage to the ENBL pin. Jumper P3 is connected to VPOS.

P3 = installed for enable

MODE interface. The MODE pin must be pulled to a logic high to

be used in VGA mode. If AGC mode is desired, a logic low must be

applied to the MODE pin. The P2 jumper must be connected to

either VPOS (logic high) or ground (logic low).

P2 = installed

R9, R10, R11, R12, C26,

C27, C28, C29, P1

Serial control interface. The digital interface sets the VGA1

setpoint, VGA2 setpoint, VGA2 input selection, VGA1 maximum

gain, and the VGA2 maximum gain of the device using the serial

interface lines CLK, LE, DATA, and SDO. RC filter networks are

provided on CLK and LE lines to filter the PC signals (possibly on

all the lines). CLK, DATA, SDO, and LE signals can be observed via

SMB connectors for debug purposes.

R9, R10, R11, R12 = 0 Ω (0402),

C26, C27, C28, C29 = open (0402)

Analog VGA1 gain control. The range of the GAIN1 pin is from 0 V

to 1 V, creating a gain scaling of 35 mV/dB.

P5 installed

Analog VGA2 gain control. The range of the GAIN2 pin is from 0 V

to 1 V, creating a gain scaling of 35 mV/dB.

P4 installed

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