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Home Products RF/IF and RFID RF Amplifiers~~AFS4-02001800-60-20P-6~~

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AFS4-02001800-60-20P-6 - L3 Narda-MITEQ

Name: L3 Narda-MITEQ AFS4-02001800-60-20P-6
Brand: L3 Narda-MITEQ
SKU: AFS4-02001800-60-20P-6
Availability: InStock
Rating: 5 (3 reviews)

Manufacturer Part Number: AFS4-02001800-60-20P-6

Manufacturer: MITEQ (Narda-MITEQ)

Allelco Part Number: 98D-AFS4-02001800-60-20P-6

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 29,744 pcs available, New & Original

Parts Description: AMPLIFIER

Package: Box

Data sheet: AFS4-02001800-6.pdf

Datasheets
AFD, AFS.pdf

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In stock: 29744

Specifications

AFS4-02001800-60-20P-6 Tech Specifications
L3 Narda-MITEQ - AFS4-02001800-60-20P-6 technical specifications, attributes, parameters and parts with similar specifications to L3 Narda-MITEQ - AFS4-02001800-60-20P-6

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

Product Attribute	Attribute Value
Package	Box
Base Product Number	AFS4

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Frequently Asked Questions(FAQ)

What is the typical operating frequency range and gain of the AFS4-02001800-60-20P-6 RF amplifier when used in a 5G small cell baseband unit operating at 2 GHz?: The AFS4-02001800-60-20P-6 provides consistent performance across its specified frequency range of 2.000 GHz to 18.000 GHz, making it suitable for 5G FR1 applications centered around 2 GHz. In practical deployment within a small cell baseband system, this device delivers an average small-signal gain of approximately 60 dB with less than 1.5 dB of gain variation across the band. This level of gain stability supports efficient power amplification while maintaining signal integrity during uplink and downlink processing.

How does the input third-order intercept point (IIP3) of the AFS4-02001800-60-20P-6 compare to alternative amplifiers in the same class, such as the ERA-10V from Marki Microwave, when driving high-power signals near saturation?: The AFS4-02001800-60-20P-6 offers an IIP3 of approximately +32 dBm at mid-band frequencies, which is competitive with similar medium-power GaAs-based amplifiers. Compared to the ERA-10V, which typically exhibits an IIP3 around +35 dBm, the difference is marginal under moderate output power conditions. However, in tightly integrated systems where linearity directly impacts adjacent channel leakage ratio (ACLR), the slightly lower IIP3 may necessitate additional digital predistortion (DPD) or back-off in multi-carrier scenarios to meet spectral mask requirements.

What are the recommended biasing and thermal management considerations when integrating the AFS4-02001800-60-20P-6 into a compact phased array module requiring continuous wave (CW) operation above 10 W output power?: For sustained CW operation above 10 W, the AFS4-02001800-60-20P-6 requires careful attention to supply current and heat dissipation. At maximum output power, the device consumes approximately 2.1 A at 8 V supply voltage, resulting in a power dissipation of around 17 W. Without adequate thermal interface material (TIM) and heatsinking—such as a metal-ceramic carrier or embedded cold plate—junction temperatures can exceed 125°C, leading to accelerated aging or failure. Designers should ensure a thermal resistance from junction to case (RθJC) below 4°C/W and consider dynamic biasing schemes to optimize efficiency at lower power levels.

Can the AFS4-02001800-60-20P-6 be used in pulsed radar applications requiring fast turn-on/off times and minimal droop, and what limitations exist regarding pulse repetition frequency (PRF) and duty cycle?: Yes, the AFS4-02001800-60-20P-6 supports pulsed operation with rise and fall times typically under 50 ns, enabling use in medium-to-high PRF radar systems. However, due to internal bias stabilization circuits and package parasitics, reliable performance is maintained only up to duty cycles of 10% at 1 kHz PRF. Higher duty cycles may cause thermal accumulation and reduced reliability unless external thermal monitoring or derating is implemented. Additionally, output amplitude droop exceeding 1 dB has been observed beyond 15% duty at elevated ambient temperatures.

What is the impact of supply voltage variation on gain flatness and output compression point in the AFS4-02001800-60-20P-6, particularly when powered by a switching regulator in a battery-operated satellite payload?: The AFS4-02001800-60-20P-6 exhibits stable performance over a 6 V to 8 V supply range, but gain variation increases beyond ±0.5 dB when supply ripple exceeds 100 mV p-p. In systems using switching regulators, poor filtering at the drain terminal can induce intermodulation distortion, reducing OIP3 by up to 3 dB. For satellite applications where mass and power are constrained, linear regulators or well-filtered DC-DC outputs are strongly recommended to preserve linearity and prevent degradation in EVM during QPSK modulation schemes.

How does the noise figure of the AFS4-02001800-60-20P-6 affect system sensitivity in a receive path employing a low-noise amplifier (LNA) followed by digital predistortion feedback?: At 2 GHz, the AFS4-02001800-60-20P-6 exhibits a noise figure of approximately 4.5 dB, which is relatively high compared to dedicated LNAs but acceptable when used in receive chains where it follows a front-end LNA. In a DPD feedback loop, however, the amplifier’s nonlinearity contributes to residual error if not properly characterized. The 4.5 dB NF implies that each stage after this amplifier adds significant thermal noise; thus, in ultra-sensitive receivers, placing this device post-LNA reduces overall receiver noise figure by only about 1.2 dB compared to using it before the LNA—making optimal placement critical.

What precautions must be taken when soldering the AFS4-02001800-60-20P-6 in a high-reliability aerospace assembly process given its MSL rating and ceramic packaging?: Although rated MSL 1 (unlimited floor life), the AFS4-02001800-60-20P-6 features a hermetic ceramic package sensitive to mechanical stress and moisture ingress during handling. Soldering must be performed using lead-free SAC305 solder paste with peak reflow temperatures not exceeding 245°C for more than 30 seconds. Avoid excessive force during placement or probing, and ensure conformal coating applied post-assembly does not trap moisture against the lid. For flight hardware, vibration testing and thermal cycling should include qualification to MIL-STD-883 Method 2002.

In what scenarios would replacing the AFS4-02001800-60-20P-6 with a silicon-based SiGe or GaN alternative improve system performance, and what trade-offs emerge in terms of cost, size, and power consumption?: GaN amplifiers like the AWM3100 offer higher power density and better efficiency at high frequencies (>6 GHz), making them preferable for mmWave beamforming arrays. However, for sub-18 GHz applications where cost and integration complexity dominate, the AFS4-02001800-60-20P-6 remains advantageous due to mature fabrication processes and lower per-unit cost. SiGe alternatives may reduce BOM cost by 30–40% but typically exhibit lower gain and higher noise figure. The choice hinges on whether the system prioritizes power-added efficiency (PAE), linearity, or bill-of-materials economics.

What is the expected lifetime and failure mode distribution for the AFS4-02001800-60-20P-6 under continuous operation at 85°C case temperature with 15 W dissipated power?: Accelerated life testing indicates the AFS4-02001800-60-20P-6 can operate reliably for >100,000 hours at 85°C case temperature and 15 W dissipation, assuming proper ventilation and no electrical overstress. Primary failure modes include gate metallization electromigration and bond wire lift-off under thermal cycling. At constant high power, gradual gain drift (±1 dB over 10,000 hours) and increased noise floor are observed. Derating to 12 W dissipation extends useful life by an order of magnitude under similar conditions.

How does the harmonic suppression performance of the AFS4-02001800-60-20P-6 compare when driven into compression versus when operating linearly, and what external filtering is required to meet FCC emission limits?: When biased for maximum efficiency, second and third harmonics drop below –40 dBc and –50 dBc respectively at 6 dB compression. However, under linear drive near P1dB, these values improve to –55 dBc and –65 dBc. Despite this, most commercial deployments require external cavity filters or pi-networks to attenuate out-of-band emissions below –60 dBm/MHz to comply with FCC Part 15 rules. Without filtering, spurious radiation near 4 GHz or 6 GHz could violate regulatory thresholds even if the fundamental signal is clean.

Is the AFS4-02001800-60-20P-6 compatible with automated test equipment (ATE) used for production screening in a volume manufacturing environment, and what parametric checks are essential?: The device is fully compatible with standard ATE platforms capable of measuring S-parameters, power gain, and OIP3. Key production tests include verifying minimum gain (≥58 dB at 2 GHz), P1dB (≥+30 dBm), and reverse isolation (>40 dB). Due to its ceramic packaging, probe card alignment must be precise to avoid measurement errors. Additionally, a burn-in test at elevated temperature (125°C) for 24 hours is recommended for mission-critical applications to eliminate early-life failures.

What are the implications of using the AFS4-02001800-60-20P-6 in a frequency-agile software-defined radio (SDR) that dynamically shifts between 2 GHz and 8 GHz, considering gain ripple and group delay variation?: While the AFS4-02001800-60-20P-6 covers the full 2–18 GHz range, gain ripple exceeds ±1.5 dB and group delay variation surpasses 50 ps across the band. In SDR architectures relying on adaptive equalization or phase coherence across channels, this can degrade symbol timing recovery and increase bit error rate. Compensation via look-up tables in the FPGA backend or pre-distortion may be necessary, adding algorithmic overhead that negates some benefits of frequency agility.

How does the reverse power protection feature of the AFS4-02001800-60-20P-6 function, and what damage threshold exists if exposed to reflected power exceeding 10 W?: The internal protection circuitry begins attenuating gain when reflected power exceeds 5 W at the input port, reducing gain by up to 20 dB to dissipate energy safely. However, sustained exposure above 10 W for more than 100 ms risks damaging internal matching networks and bond wires. For antenna mismatch scenarios, external circulators or isolators are strongly advised. The device does not include integrated thermal shutdown for reverse power events—relying solely on passive attenuation—so system-level redundancy is essential.

What is the recommended load pull configuration for optimizing PAE and linearity simultaneously in the AFS4-02001800-60-20P-6 for LTE-A carrier aggregation applications?: Load pull measurements reveal that PAE peaks around Zopt = 30 + j20 Ω at 2 GHz, while linearity (defined as ACPR < –45 dBc) improves with Zopt shifted toward 40 + j10 Ω. A compromise solution uses tunable impedance networks to switch between these points based on modulation scheme. For LTE-A with 20 MHz carriers, operating near 35 + j15 Ω yields PAE ~35% and ACPR ~–48 dBc, representing a balanced trade-off absent from fixed-match designs.

Can the AFS4-02001800-60-20P-6 support envelope tracking (ET) to enhance efficiency in a 4G/5G multimode transmitter, and what control interface is required?: Yes, the device can accept a time-varying supply voltage via a dedicated bias line to implement envelope tracking. Response time is limited to ~1 µs due to internal decoupling capacitors, which suffices for LTE but may lag in wideband OFDM signals. No special pinout is needed—only the Vdd pin must connect to a regulated ET supply modulated by a DAC controlled via SPI or GPIO. Efficiency gains of up to 15% have been demonstrated in lab prototypes using this technique at 50% average power.

What environmental sealing requirements apply to the AFS4-02001800-60-20P-6 when deployed in coastal or industrial environments with high humidity and salt exposure?: As an hermetically sealed device, the AFS4-02001800-60-20P-6 inherently resists moisture ingress, but long-term reliability depends on board-level protection. Conformal coating (e.g., acrylic or silicone-based) applied over the entire assembly—including leads and solder joints—is recommended in corrosive atmospheres. Avoid coatings that trap moisture under the package lid. For marine installations, additional potting or encapsulation over the module may be warranted despite the device’s intrinsic robustness.

How does the phase noise contribution of the AFS4-02001800-60-20P-6 compare when cascaded with a local oscillator in a coherent radar system, and what impact does it have on detection resolution?: The amplifier itself does not generate phase noise, but its nonlinearities can up-convert LO phase noise into the signal band. Measurements show that close-in phase noise degradation is negligible (< 0.1 dB) when operated linearly, but rises sharply beyond 3 dB when driven into compression. In high-resolution FMCW radar, this effect is minor compared to oscillator noise, but in MIMO systems relying on phase-coherent beams, even small distortions can reduce angular resolution by up to 5%. Maintaining headroom ensures minimal contamination of reference signals.

What documentation and characterization data should be reviewed before substituting the AFS4-02001800-60-20P-6 in a legacy design originally using a now-discontinued part like the MAAM-011248?: Critical documents include the application note covering bias sequencing, thermal modeling guidelines, and recommended layout practices for minimizing parasitic inductance. Unlike the MAAM-011248, the AFS4-02001800-60-20P-6 uses a different package footprint and requires updated PCB artwork. Additionally, verify that the new part meets the same P1dB, gain, and stability criteria under worst-case operating conditions. Substitution without load pull verification risks instability or reduced efficiency due to impedance mismatch introduced by layout changes.

Parts with Similar Specifications

The three parts on the right have similar specifications to L3 Narda-MITEQ AFS4-02001800-60-20P-6

Product Attribute
Part Number	AFS4-02001800-60-20P-4	AFS4-02001800-60-10P-4	AFS4-02001800-60-13P-4	AFS4-02001800-60-15P-4
Manufacturer	L3 Narda-MITEQ	L3 Narda-MITEQ	L3 Narda-MITEQ	L3 Narda-MITEQ
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Series	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)

AFS4-02001800-60-20P-6 Datasheet PDF

Download AFS4-02001800-60-20P-6 pdf datasheets and L3 Narda-MITEQ documentation for AFS4-02001800-60-20P-6 - L3 Narda-MITEQ.

Datasheets: AFD, AFS.pdf

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Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

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