HMC1126ACEZ-R7 datasheet(6/21 Pages) AD

6 / 21 page

HMC1126ACEZ

Data Sheet

Rev. 0 | Page 6 of 21

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

GND

RFIN

GND

RFOUT

GND

NOTES

1. EXPOSED PAD. CONNECT THE EXPOSED PAD

TO A GROUND PLANE WITH LOW THERMAL

AND ELECTRICAL IMPEDENCE.

HMC1126ACEZ

TOP VIEW

(Not to Scale)

Figure 2. Pin Configuration

Table 8. Pin Function Descriptions

Pin No.

Mnemonic

Description

1, 2, 3, 5, 6, 7, 9, 11 to 15,

17, 18, 19, 21 to 24

GND

Ground. All the ground pins must be connected to a low impedance ground plane. See Figure 7 for

the interface schematic.

RFIN

RF Input. RFIN is ac-coupled and matched to 50 Ω. See Figure 3 for the interface schematic.

VGG1

Gate Control 1 for the Amplifier. Adjust VGG1 to achieve IDQ = 85 mA. See Figure 6 for the interface

schematic.

VGG2

Gate Control 2 for the Amplifier. For nominal operation, apply 1 V to VGG2. See Figure 5 for the

interface schematic.

RFOUT

RF Output. RFOUT is ac-coupled and matched to 50 Ω. See Figure 4 for the interface schematic.

VDD

Drain Supply Voltage with Integrated RF Choke. Connect the dc bias to VDD to provide IDQ. See Figure 4

for the interface schematic.

EPAD

Exposed Pad. Connect the exposed pad to a ground plane with low thermal and electrical

impedance.

INTERFACE SCHEMATICS

RFIN

Figure 3. RFIN Interface Schematic

RFOUT

VDD

Figure 4. VDD and RFOUT Interface Schematic

VGG2

Figure 5. VGG2 Interface Schematic

VGG1

Figure 6. VGG1 Interface Schematic

GND

Figure 7. GND Interface Schematic

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