Device Overview

General Description

The HLM-70ACH is a high-power GaAs Schottky diode signal limiter. It offers low insertion loss and low return loss from DC through V band. Its high power handling makes it ideal for protecting sensitive components and for applications requiring high linearity.

Photo of HLM-70ACH

Features

  • DC to 70 GHz limiter
  • 1W CW Power Handling @ 2 GHz
  • 9dBm Flat Leakage @ 50 GHz CW

Applications

N/A

Functional Block Diagram

Block Diagram

Part Ordering Options

Part NumberDescriptionPackageGreen StatusProduct LifecycleExport Classification
HLM-70ACHDC - 70GHz High Frequency LimiterCH

RoHS

REACH

ReleasedEAR99

Table Of Contents

Revision History

Revision CodeRevision DateComment
-2024-04-03Datasheet Initial Release

Rev: - | Copyright © 2024 Marki Microwave LLC.

2

Port Configuration and Functions

Port Diagram

A top-down view of the HLM-70ACH's CH package outline drawing is shown below. The HLM-70ACH has the input and output ports given in Port Functions.

Diagram of the port configuration for HLM-70ACH

Port Functions

PortFunctionDescriptionDC Equivalent
Circuit
GNDGround CH package ground path is provided through the substrate and ground bond pads.Equivalent circuit for the Ground
INInput IN is the RF input port and is diode connected for the CH package.Equivalent circuit for the Input
OUTOutput OUT is the RF output port and is diode connected for the CH package.Equivalent circuit for the Output

Rev: - | Copyright © 2024 Marki Microwave LLC.

3

Specifications

Absolute Maximum Ratings

ParameterMaximum RatingUnit
Maximum Operating Temperature 100°C
Maximum Storage Temperature 125°C
Minimum Operating Temperature -55°C
Minimum Storage Temperature -65dB
RF Power Handling, CW @ 10 GHz, 25°C 1W

RF Power Handling represents an instantaneous, catastrophic limit and it isn’t derated for frequency, temperature, pulse conditions, or unit to unit variation.

Package Information

ParameterDetailsRating
Dimensions-2.28x1.38mm

Rev: - | Copyright © 2024 Marki Microwave LLC.

4

Electrical Specifications

The electrical specifications apply at TA=+25°C in a 50Ω system. Data is measured with 3 wirebonds. Min and Max limits are guaranteed at TA=+25°C. All bare die are 100% visually inspected and RF performance is guaranteed by sample testing.

ParameterTest ConditionsMinimum
Frequency
(GHz)
Maximum
Frequency
(GHz)
MinTypMaxUnit
Flat Leakage -50 50-9-dBm
Flat Leakage -40 40-9-dBm
Flat Leakage -30 30-9.5-dBm
Flat Leakage -20 20-10.5-dBm
Insertion Loss -0 70-0.82.7dB
Return Loss -0 70-19-dB

Rev: - | Copyright © 2024 Marki Microwave LLC.

5

Data is measured with 3 wirebonds.

Typical Performance Plots

Insertion Loss (dB) graph for HLM-70ACH
Return Loss graph for HLM-70ACH
Output Power vs Input Power graph for HLM-70ACH
Insertion Loss, Output Power vs. Input Power @ 14GHz graph for HLM-70ACH
Insertion Loss, Output Power vs. Input Power @ 10 GHz graph for HLM-70ACH
Insertion Loss, Output Power vs. Input Power @ 20 GHz graph for HLM-70ACH
Insertion Loss, Output Power vs. Input Power @ 30 GHz graph for HLM-70ACH
Insertion Loss, Output Power vs. Input Power @ 40 GHz graph for HLM-70ACH

Rev: - | Copyright © 2024 Marki Microwave LLC.

6

Insertion Loss, Output Power vs. Input Power @ 50 GHz graph for HLM-70ACH
Output Power vs. Input Power, Extended Power Range 2GHz (dBm) graph for HLM-70ACH
Output Power vs. Input Power, Extended Power Range 10GHz (dBm) graph for HLM-70ACH

Rev: - | Copyright © 2024 Marki Microwave LLC.

7

Mechanical Data

Outline Drawing

Download : Outline 2D Drawing

Outline Drawing

Rev: - | Copyright © 2024 Marki Microwave LLC.

8