Port Diagram
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Tech Support: [email protected]
Device Overview
General Description
The HLM-40 is a high-power GaAs Schottky diode signal limiter featuring high IP3 and high power handling. It offers low insertion loss and low return loss from DC through Ka band and has a typical 1dB compression point of 15dBm. Its high power handling makes it ideal for protecting sensitive components and for applications requiring high linearity.
Features
- DC to 40 GHz limiter
- 20W Peak Power (pulsed), 4W CW
- 18dBm Flat Leakage @ 1W CW
- Typical P1dB of 15dBm
- Chassis mountable housing
Applications
- RF Transceivers
- Test and Measurement Equipment
- SATCOM
Functional Block Diagram
Part Ordering Options
| Part Number | Description | Package | Connectors | Green Status | Product Lifecycle | Export Classification |
|---|---|---|---|---|---|---|
| HLM-40U | High Power 40GHz Limiter | U | Standard | REACH RoHS | Released | EAR99 |
| Part Number | Description | Package | Connectors | Green Status | Product Lifecycle | Export Classification |
|---|---|---|---|---|---|---|
| HLM-40U | High Power 40GHz Limiter | U | Standard | REACH RoHS | Released | EAR99 |
HLM-40U
High Power 40GHz Limiter
Table Of Contents
- Device Overview
- Port Configuration and Functions
- Revision History
- Specifications
- Operation
- Mechanical Data
Revision History
| Revision Code | Revision Date | Comment |
|---|---|---|
| - | 2019-09-01 | Datasheet Initial Release |
| A | 2019-10-01 | Corrected References |
| B | 2019-12-01 | Updated Graphs |
| C | 2023-02-01 | Updated Outline Drawing |
| D | 2025-04-16 | Updated Outline Drawing |
HLM-40U
High Power 40GHz Limiter
Port Configuration and Functions
Port Functions
| Port | Function | Connector Type | Description | DC Equivalent Circuit |
|---|---|---|---|---|
| GND | Ground | - | U package ground is provided through metal housing and outer coax conductor. |  |
| Input | Input | 2.92F | The input port is diode connected for the U package. |  |
| OUT | Output | 2.92M | The output port is diode connected for the U package. | |
HLM-40U
High Power 40GHz Limiter
Specifications
Absolute Maximum Ratings
| Parameter | Maximum Rating | Unit |
|---|---|---|
| Maximum Operating Temperature | 100 | °C |
| Maximum Storage Temperature | 125 | °C |
| Minimum Operating Temperature | -55 | °C |
| Minimum Storage Temperature | -65 | °C |
| RF Power Handling , Average | 4 | W |
| RF Power Handling , Peak | 20 | W |
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
| Parameter | Details | Rating |
|---|---|---|
| ESD | 250 to < 500 Volts | HBM Class 1A |
| Weight | Package name: U | 10g |
| Dimensions | - | 13.21 x 14.22 mm |
HLM-40U
High Power 40GHz Limiter
Electrical Specifications
The electrical specifications apply at TA=+25°C in a 50Ω system. Typical data shown is for the connectorized U-package limiter unless otherwise specified. Linear Specifications valid for input power up to the 0.1dB compression point.
| Parameter | Test Conditions | Minimum Frequency (GHz) | Maximum Frequency (GHz) | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|---|
| Flat Leakage | - | 0 | 40 | - | 18 | - | dB |
| Flat Leakage | - | 20 | 20 | - | 16 | - | dBm |
| Input P1dB | - | 0 | 40 | - | 15 | - | dBm |
| Insertion Loss | - | 0 | 40 | - | 1 | - | dB |
| Recovery Time 1 | - | 0 | 40 | - | 10 | - | ps |
| Return Loss | - | 0 | 40 | - | 22 | - | dB |
| Parameter | Test Conditions | Minimum Frequency (GHz) | Maximum Frequency (GHz) | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|---|
| Flat Leakage | - | 0 | 40 | - | 18 | - | dB |
| Flat Leakage | - | 20 | 20 | - | 16 | - | dBm |
| Input P1dB | - | 0 | 40 | - | 15 | - | dBm |
| Insertion Loss | - | 0 | 40 | - | 1 | - | dB |
| Recovery Time 1 | - | 0 | 40 | - | 10 | - | ps |
| Return Loss | - | 0 | 40 | - | 22 | - | dB |
[1] Calculated based on equivalent capacitance and resistance
HLM-40U
High Power 40GHz Limiter
Typical Performance Plots
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HLM-40U
High Power 40GHz Limiter
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HLM-40U
High Power 40GHz Limiter
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HLM-40U
High Power 40GHz Limiter
