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LEE-9+
Mini-Circuits
IC AMP CELLULAR 0HZ-8GHZ FG873
4383 Pcs New Original In Stock
RF Amplifier IC Cellular, PCS 0Hz ~ 8GHz FG873
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(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (363 Ratings)
LEE-9+
Product Overview
9832996
DiGi Electronics Part Number
LEE-9+-DGManufacturer
Mini-Circuits
LEE-9+
Description
IC AMP CELLULAR 0HZ-8GHZ FG873Inventory
4383 Pcs New Original In Stock
RF Amplifier IC Cellular, PCS 0Hz ~ 8GHz FG873
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
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LEE-9+ Technical Specifications
Category
RF Amplifiers
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Frequency
0Hz ~ 8GHz
P1dB
14.1dBm
Gain
7.7dB
Noise Figure
5.3dB
RF Type
Cellular, PCS
Voltage - Supply
3.6V ~ 4.4V
Current - Supply
50mA
Test Frequency
100MHz
Mounting Type
Surface Mount
Package / Case
4-SMD, No Lead
Supplier Device Package
FG873
Datasheet & Documents
Datasheets
Download LEE-9+ Product Specification (PDF)
HTML Datasheet
LEE-9+-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.33.0001
Additional Information
Other Names
3157-LEE-9+TR
3157-LEE-9+CT
3157-LEE-9+DKR
Standard Package
1,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
DiGi Electronics' reliable products have improved my gaming experience immensely.
de desembre 02, 2025
DiGi Electronics provides detailed documentation and guidance, making integration into our systems seamless.
de desembre 02, 2025
Their customer support team is highly responsive, addressing our technical queries within hours and offering practical solutions.
de desembre 02, 2025
Their commitment to quality is evident in every item they produce.
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Frequently Asked Questions (FAQ)
Can the LEE-9+ be used in wideband 5G NR front-end designs covering both sub-3GHz and 6GHz bands without gain drift issues during frequency switching?
Yes, the LEE-9+ supports 0Hz to 8GHz, making it suitable for wideband 5G NR applications spanning sub-3GHz (e.g., n1, n3) and 6GHz (e.g., n41, n77) bands. However, due to its fixed gain of 7.7dB, designers must verify flatness across the band of interest—especially near band edges—and account for potential VSWR mismatches in multi-band antennas that could cause gain variation or output instability. Use external matching networks optimized at key frequencies to maintain performance and avoid spectral regrowth in high-PAPR signals.
How does the LEE-9+ compare to the Qorvo QPA9334 in terms of power efficiency and linearity for battery-powered outdoor CPE units?
The LEE-9+ draws only 50mA at 3.6V–4.4V, offering better power efficiency than the QPA9334, which consumes ~75mA under similar conditions—critical for solar or battery-powered outdoor CPEs. However, the QPA9334 provides higher P1dB (19dBm vs. 14.1dBm) and better noise figure (3.5dB vs. 5.3dB), making it more suitable for long-range links. Use the LEE-9+ where moderate output power and low current are prioritized; add a second stage if higher linearity is required. Also, validate adjacent channel leakage ratio (ACLR) with 256-QAM 5G waveforms to avoid modulation degradation.
Is the LEE-9+ a drop-in replacement for the discontinued Analog Devices HMC410MS8GE in legacy PCS repeater systems?
While both the LEE-9+ and HMC410MS8GE are surface-mount RF amplifiers in 8-lead packages, they are not pin-to-pin compatible, and direct drop-in replacement is not feasible. The HMC410 uses an MS8 package with different pad layout than the FG873 used by the LEE-9+. Additionally, HMC410 has higher gain (14dB) and P1dB (18dBm), so replacing it with the LEE-9+ requires RF redesign including matching networks, gain budget recalculation, and noise floor analysis. Evaluate system sensitivity impact—especially in low-signal urban repeaters—before migration.
What layout and thermal considerations should be addressed when integrating the LEE-9+ in dense RF modules with co-located power amplifiers?
The LEE-9+ uses a thermal pad in the FG873 package that must be properly soldered to a sufficient copper pour (minimum 4mm²) on the PCB to ensure thermal dissipation despite its 50mA typical current draw. In dense RF modules, place the LEE-9+ at least 2mm away from high-power PAs generating significant EMI, and use ground shielding vias around the signal lines to prevent coupling into the LEE-9+'s output. Also, keep traces short and matched to 50Ω to avoid resonances above 6GHz, especially when routing near switching regulators or clock lines.
What are the reliability risks of using the LEE-9+ in unregulated 4.2V Li-ion powered field-deployed IoT gateways?
The LEE-9+ has a maximum supply voltage of 4.4V, which leaves a narrow margin when powered directly from a fully charged 4.2V Li-ion cell under no-load conditions (voltage can rise to 4.25V+ with poor regulation). In field-deployed IoT gateways exposed to temperature cycling, even minor overshoots due to load transients can stress the internal circuitry and reduce long-term reliability. Always use a low-dropout regulator (LDO) with tight tolerance (e.g., 4.0V ±2%) to ensure sustained operation within the 3.6V–4.4V range and avoid parametric drift or early failure.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
LEE-9+ CAD Models
Mini-Circuits LEE-9+ PCB symbols & footprints
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