LTC6419 datasheet(2/6 Pages) LINER

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dc2473af

DEMO MANUAL DC2473A

QUICK START PROCEDURE

Table 1 shows the function of each SMA connector on

the board. Refer to Figure 1 for the connection diagram

and follow the procedure below:

1. Connect the power supply as shown. The power labels

of V+ and GND directly correspond to the power sup-

ply. Typical current consumption of LTC6419 is about

104mA for both amplifiers. Jumpers JP1 and JP2

enable or shut down the amplifier A and amplifier B,

respectively.

2. Apply input signal or network analyzer to J4 (IN1–)

or J6 (IN2–). DC2473A’s input is impedance matched

to 50Ω.

3. Observe the output via J1 (OUT1–) or J7 (OUT2–). The

output is impedance matched to 50Ω, suitable for the

input of a network or spectrum analyzer.

Table 1 shows the function of each input and output on

the board.

Table 1. DC2473A Board I/O Descriptions

CONNECTOR

FUNCTION

J2 (IN1+)/J4 (IN1–)

J6 (IN2–)/J8 (IN2+)

Can be configured to either single-ended or differential input.

J1 (OUT1–)/J3 (OUT1+)

J5 (OUT2+)/J7(OUT2–)

Can be configured to either single-ended or differential output. With proper

impedance matching, the device can be used to drive a network analyzer,

spectrum analyzer or an ADC.

E1 (VCM1), E3 (VCM2)

The input common mode voltage. Leave open if unused.

E2 (VOCM1), E4 (VOCM2)

Output common mode adjust. By default, these pins are self-biasing within

U1A and U1B. Leave open if unused.

E5 (V+)

Positive Supply voltage source

E8 (GND)

Supply Ground

LTC6419 Datasheet(PDF) 2 Page - Linear Technology