AD607ARS datasheet(21/24 Pages) AD

21 / 24 page

REV. C

–21–

AD607

Table III. AD607 Evaluation Board Input and Output Connections

Reference

Connector

Approximate

Designation

Type

Description

Coupling

Signal Level

Comments

SMA

Frequency

±400 mV

This pin needs to be biased at VMID

Detector Input

and ac-coupled when driven by an

external signal generator.

SMA

Power-Up

CMOS Logic

Tied to Positive Supply by Jumper J10

Level Input

SMA

LO Input

–16 dBm

Input is terminated in 50

Ω.

(

±50 mV)

SMA

RF Input

–15 dBm max

Input is terminated in 50

Ω.

(

±54 mV)

SMA

MGC Input

0.4 V to 2.0 V

Jumper is set for manual gain control

(3 V Supply)

input; see Table I for control voltage

(GREF = VMID)

values.

SMA

IF Output

This signal level depends on the

AD607’s gain setting.

SMA

Q Output

This signal level depends on the

AD607’s gain setting.

SMA

I Output

This signal level depends on the

AD607’s gain setting.

Jumper

Ties GREF

Sets gain-control scale factor (SF);

to VMID

SF = 75/VMID in dB/V, where

VMID = VPOS/2.

J10

Jumper

Ties Power-Up

Remove to test power-up/-down.

to Positive

Supply

Terminal Pin

Power Supply

2.92 V to 5.5 V

Positive Input

Draws 8.5 mA at midgain connection.

(VPS1, VPS2)

Terminal Pin

Power Supply

0 V

Return (GND)

Figure 27b. Evaluation Board Layout, Bottom Side

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