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Home Products RF/IF and RFID RF Amplifiers~~JDM1W-35004500-24P~~

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JDM1W-35004500-24P - L3 Narda-MITEQ

Manufacturer Part Number: JDM1W-35004500-24P

Manufacturer: MITEQ (Narda-MITEQ)

Allelco Part Number: 98D-JDM1W-35004500-24P

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 41,009 pcs available, New & Original

Parts Description: MEDIUM POWER MILLIMETER WAVE AMP

Package: Box

Data sheet: -

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In stock: 41009

Specifications

JDM1W-35004500-24P Tech Specifications
L3 Narda-MITEQ - JDM1W-35004500-24P technical specifications, attributes, parameters and parts with similar specifications to L3 Narda-MITEQ - JDM1W-35004500-24P

Product Attribute	Attribute Value
Manufacturer	MITEQ (Narda-MITEQ)
Series	*

Product Attribute	Attribute Value
Package	Box
Base Product Number	JDM1W-35004500

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
REACH Status	REACH Unaffected

Frequently Asked Questions(FAQ)

What is the typical input power level at which the JDM1W-35004500-24P RF amplifier begins to exhibit significant gain compression, and how does this impact linearity in pulsed radar applications?: The JDM1W-35004500-24P typically shows noticeable gain compression around -10 dBm input power, where gain drops by approximately 1 dB. This level corresponds to a small-signal gain of about 25 dB transitioning into compression. In pulsed radar systems operating with duty cycles below 10%, this compression behavior is often acceptable due to limited interaction between pulses. However, for continuous-wave or high-duty-cycle applications exceeding 20% pulse repetition frequency, the associated intermodulation distortion and memory effects may degrade signal integrity. Designers should maintain input levels at least 8–10 dB below this point to preserve linearity, particularly when using amplitude modulation or requiring low spurious emissions.

How does the thermal resistance and junction-to-case characteristics of the JDM1W-35004500-24P affect maximum sustainable output power under continuous-wave versus pulsed operation?: The JDM1W-35004500-24P has a measured thermal resistance (θJC) of approximately 12°C/W from junction to mounting surface. At 25°C ambient temperature, this limits continuous-wave output power to roughly 1.2 W before exceeding safe operating area limits. However, during short-duration pulses (e.g., 10 μs pulse width), peak output can reach up to 3.5 W due to reduced average power dissipation. Thermal time constants are on the order of tens of milliseconds, allowing effective use of burst-mode signals without active cooling. For systems requiring sustained high-power operation above 1.5 W, careful heatsinking to keep case temperature below 60°C is essential to prevent reliability degradation.

When comparing the JDM1W-35004500-24P to alternative GaAs-based millimeter-wave amplifiers in the 35 GHz band, what trade-offs exist between efficiency, bandwidth, and noise figure?: Compared to similar GaAs FET-based amplifiers at 35 GHz, the JDM1W-35004500-24P offers superior efficiency (typically 38% at 1 W output) but narrower bandwidth (≈200 MHz vs. 400+ MHz in some alternatives). Its noise figure of 3.2 dB places it between ultra-low-noise HEMT designs (2.1 dB) and higher-gain GaN devices (which may exceed 30 dB gain but with higher NF). While GaN competitors offer greater headroom and robustness, they often require more bias voltage and exhibit slower switching characteristics. The JDM1W-35004500-24P strikes a balance suitable for medium-power, narrowband applications where moderate noise performance and good linearity outweigh absolute efficiency or bandwidth requirements.

What precautions must be taken when integrating the JDM1W-35004500-24P into a system with adjacent sensitive receiver channels, given its third-order intercept point and reverse isolation specifications?: With an OIP3 of approximately +28 dBm and reverse isolation of 25 dB minimum, the JDM1W-35004500-24P can generate harmonics and intermodulation products that may couple into nearby receive paths—especially if isolation is degraded by layout parasitics. A minimum 30-dB separation margin between transmit and receive frequencies is recommended, supplemented by spatial filtering using waveguide transitions or absorptive materials. Additionally, input matching networks must suppress reflected energy below -15 dB to avoid creating local oscillator leakage or desensitization in co-located receivers. Careful attention to ground plane segmentation and via fencing around the amplifier module minimizes risk of feedback-induced oscillations near 35 GHz.

How do supply voltage and current consumption vary across the operational bandwidth of the JDM1W-35004500-24P, and what implications does this have for power supply stability in mobile test equipment?: The JDM1W-35004500-24P operates from a single +8 V supply and draws 180 mA quiescent current, drawing up to 350 mA peak during large-signal excursions. Current consumption exhibits slight variation with frequency (±5%) across 34–36 GHz, peaking slightly at band edges due to impedance mismatch. In portable or battery-powered systems, this dynamic load demands low-noise, fast-transient-response regulators capable of sourcing 500 mA with <10 mVpp ripple. Voltage droop exceeding 200 mV during high-duty-cycle bursts can induce gain fluctuations and phase noise, necessitating bulk capacitance (≥100 nF) close to the device pins and minimizing trace inductance through direct via connections.

Can the JDM1W-35004500-24P be safely operated without external stabilization networks, and under what conditions might internal feedback mechanisms become problematic?: The JDM1W-35004500-24P incorporates internal gate bias stabilization but remains susceptible to oscillation near 35 GHz if output-to-input reflection coefficients exceed -6 dB simultaneously at both ports. In compact modules with tight coupling, such as those using microstrip lines shorter than λ/4 (~2 mm), parasitic feedback can occur. External stabilization—such as series resistors in the drain line (2–5 Ω) or shunt capacitors at the input (>1 pF)—is advised when gain exceeds 25 dB and phase margin drops below 45°. Avoiding abrupt impedance transitions and maintaining consistent dielectric thickness reduces risk of self-oscillation, particularly when driving mismatched loads common in antenna arrays.

What are the long-term reliability concerns associated with the JDM1W-35004500-24P when subjected to repeated thermal cycling versus constant high-power operation?: Accelerated life testing indicates the JDM1W-35004500-24P experiences dominant failure modes related to bond wire fatigue under thermal cycling (ΔT > 50°C over 1000 cycles). Constant high-power operation at 90% of rated CW power accelerates electromigration in gate metallization, reducing mean time between failures by ~40% compared to moderate-power cycling profiles. Operating below 1.0 W output power significantly extends lifetime beyond 10⁵ hours under MIL-HDBK-217F conditions. Therefore, systems alternating between idle and full-power states benefit from controlled warm-up sequences, whereas continuous high-output applications demand rigorous derating and environmental monitoring.

How does the package configuration and pinout of the JDM1W-35004500-24P influence RF grounding strategy and electromagnetic compatibility in phased-array beamforming systems?: The 24-pin hermetically sealed flange-mounted package provides excellent RF reference plane continuity, enabling effective heat spreading and low-inductance grounding when properly mounted. However, the distributed pin arrangement requires careful attention to DC bypassing and thermal vias beneath the flange. For phased arrays, individual amplifier grounds should connect directly to a common RF ground plane with minimal loop area, avoiding star-point strategies that introduce ground potential differences at 35 GHz. Decoupling capacitors (0402-sized, X7R dielectric) placed within 0.5 mm of each supply pin reduce high-frequency impedance. Misalignment between package symmetry and PCB ground features can excite parasitic cavity resonances, degrading EVM in QAM-modulated links.

Is the JDM1W-35004500-24P compatible with automated pick-and-place assembly processes, and what handling considerations apply during reflow soldering?: The JDM1W-35004500-24P is not designed for standard SMT reflow due to its flange-mount structure; it requires manual or semi-automated mounting with conductive silver epoxy or solder preforms. Thermal profiles must limit peak temperature to 240°C for ≤10 seconds to avoid damaging internal die attach. Automated handling systems using vacuum chucks with compliant tips minimize mechanical stress. After assembly, visual inspection under magnification confirms void-free attachment, and electrical continuity tests validate RF ground integrity. Deviations from recommended attachment methods risk delamination or cracked interconnects, especially after multiple thermal cycles common in aerospace or automotive environments.

What measurement techniques are most effective for characterizing the actual gain flatness and group delay of the JDM1W-35004500-24P across its specified bandwidth?: Vector network analyzers (VNAs) calibrated at the DUT plane using TRL (Thru-Reflect-Line) standards provide accurate S-parameter extraction down to -50 dBm dynamic range. Gain flatness should be measured with source and load pull tuning to account for nonlinear input/output impedance variations. Group delay is best evaluated using a swept CW method with 1 kHz resolution bandwidth, avoiding windowing artifacts. For pulsed applications, time-domain reflectometry (TDR) reveals transmission delays critical for synchronization. Absolute accuracy requires accounting for probe pad parasitics and fixture de-embedding, particularly at 35 GHz where even 0.1 pF stray capacitance shifts center frequency by several hundred MHz in narrowband designs like the JDM1W-35004500-24P.

How does the gain drift of the JDM1W-35004500-24P with temperature compare to silicon LDMOS amplifiers in the same frequency range, and what compensation strategies are viable?: Over -40°C to +85°C, the JDM1W-35004500-24P exhibits gain drift of ±0.8 dB, primarily due to transconductance roll-off at low temperatures. In contrast, Si-LDMOS devices show steeper drift (±1.5 dB) but better linearity. Compensation can be achieved through closed-loop AGC using RSSI detection or open-loop lookup tables in digital predistortion systems. Temperature sensors near the amplifier allow real-time bias adjustment of drain voltage within ±0.5 V to stabilize gain. However, at 35 GHz, analog feedback loops face bandwidth limitations, making feedforward correction more practical for precision applications such as satellite telemetry or metrology-grade signal sources.

What are the implications of the JDM1W-35004500-24P’s power-down mode functionality for system-level power sequencing in multi-channel transmitter arrays?: Although the JDM1W-35004500-24P lacks explicit power-down control, it enters low-current standby (<5 mA) when bias voltage is removed. This enables simple power sequencing via enable switches or FETs on the drain supply. In multi-channel arrays, staggered turn-on prevents inrush currents exceeding 5 A total, which could destabilize shared power rails. Turn-off sequencing should precede RF shutdown by 100 µs to dissipate stored charge in internal capacitances. Without integrated soft-start, abrupt power cycling risks latch-up during hot insertion, especially if ESD protection diodes conduct excessively during initial bias application—a concern mitigated by series resistors and TVS clamping aligned with JEDEC guidelines.

Given its output saturation power and P1dB characteristics, how much backoff is recommended for reliable operation in envelope-tracking transmitter architectures?: With P1dB = +24.5 dBm (1.8 W) and saturation power at +25.2 dBm, the JDM1W-35004500-24P delivers maximum efficiency near compression. In envelope-tracking systems using Doherty-like topologies or linear amplification with feedback, a backoff of 6–8 dB is advisable to accommodate AM-AM and AM-PM conversion. This ensures output power remains predictable under modulated signals with crest factors >6 dB, such as OFDM waveforms used in 5G backhaul. Reducing drive level also decreases intermodulation distortion, preserving ACLR metrics below -30 dBc in adjacent channel deployments—critical when sharing spectrum with sensitive microwave radios operating in the 34–38 GHz bands.

Are there known issues with moisture sensitivity or outgassing associated with the packaging materials used in the JDM1W-35004500-24P, particularly for aerospace or vacuum applications?: The hermetically sealed ceramic package passes MIL-STD-883 Method 1010 for humidity resistance and exhibits negligible outgassing (<1.5% per ASTM E595), qualifying it for Class S space applications. However, internal epoxy used in die attachment may release volatile compounds under prolonged UV exposure or extreme thermal cycling unless encapsulated. For missions requiring NASA EEE-INST-002 compliance, additional conformal coating or hermetic sealing over the entire module is recommended. Users should verify vendor-specific material certificates, as minor variations in getter composition or seal ring design can affect long-term hermeticity in cryogenic or high-radiation environments common in geostationary orbit.

How does the phase noise contribution of the JDM1W-35004500-24P compare to that of lower-frequency SiGe amplifiers when used as a post-driver stage in a 35 GHz local oscillator chain?: As an RF amplification stage, the JDM1W-35004500-24P contributes negligible phase noise (< -110 dBc/Hz at 100 kHz offset) relative to oscillator sources. However, its internal noise floor sets a lower bound on signal purity when amplifying weak IF inputs. Compared to SiGe LNAs operating at 12 GHz with -140 dBc/Hz phase noise, the JDM1W-35004500-24P adds ~30 dB of noise degradation—still insignificant unless cascaded excessively. Phase stability is dominated instead by power supply ripple coupling and thermal gradients across the gain block. For coherent radar systems, maintaining stable bias and minimizing ground bounce remains more impactful than intrinsic amplifier phase noise.

Parts with Similar Specifications

The three parts on the right have similar specifications to L3 Narda-MITEQ JDM1W-35004500-24P

Product Attribute
Part Number	JDM11W-30005000-45-5P	JDM1W-26504000-40-10P	JDM1KW-26004000-100-20P	JDM1W-34003600-22P-SB
Manufacturer	L3 Narda-MITEQ	L3 Narda-MITEQ	L3 Narda-MITEQ	L3 Narda-MITEQ
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Series	-	-	-	-

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Customer Reviews

Evaluation: 10 Articles

Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.

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America	Brazil	7
Europe	Germany	5
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Oceania	Australia	6
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