Diodes Incorporated ZAMP002H6TA

Overview

ZAMP002H6TA from Zetex Semiconductors is a monolithic microwave integrated circuit (MMIC) RF amplifier optimized for L-band and IF applications, operating from 800 MHz to 2500 MHz with 22 dB typical gain, 21 mA supply current, and 50 Ω input / 75 Ω output impedance matching - deployed in satellite LNB receivers and SMR front-ends.

For engineers reviewing the ZAMP002H6TA datasheet, ZAMP002H6TA pinout, ZAMP002H6TA application, or ZAMP002H6TA equivalent, key selection criteria include rising-gain profile across band, 22 dBm IP3 at 1 GHz, 7 dBm P1dB compression, SC70-6 footprint constraints, and 4.5–5.5 V single-supply operation without external matching networks.

Technical Context

The ZAMP002H6TA implements a GaAs-based MMIC architecture with internal biasing and fixed-gain topology, enabling stable wideband amplification without external DC blocking or matching components on input/output. Its rising gain (21 dB @ 950 MHz → 25 dB @ 2150 MHz) compensates for interconnect and filter roll-off in cascaded RF stages.

Designed for 50 Ω source and 75 Ω load environments, it integrates internal feedback and output stage optimization to maintain >16 dB input return loss and >9 dB output return loss across 800–2500 MHz while delivering >30 dB reverse isolation - critical for tuner and LNB stability under varying antenna VSWR.

Key Specifications

Pinout & Package

SC70-6 surface-mount package (1.00 × 2.00 mm, 0.90 mm height), thermally enhanced with two GND pins for RF stability and low-inductance grounding.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar wideband RF amplifier applications.

Compared with QPL9547 and ERA-5SM+, the ZAMP002H6TA uniquely delivers 75 Ω output matching and rising gain in an ultra-low-current SC70-6 package - making it optimal for DBS LNBs and space-constrained 75 Ω RF systems where external matching must be avoided.

Availability

ZAMP002H6TA is available at Aetrix Electronics and suitable for satellite LNB receivers, RF tuners, SMR base stations, and RLAN/WLAN front-ends requiring stable component supply, consistent parametric performance, and long-term obsolescence management.

Supply support for ZAMP002H6TA includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Zetex Semiconductors (now part of Diodes Incorporated) specialized in high-performance analog and RF ICs, with expertise in GaAs MMIC design and low-power RF signal conditioning.

The ZAMP series targets cost-sensitive, space-constrained RF front-ends in broadcast, communications, and consumer satellite equipment - emphasizing integration, impedance flexibility, and simplified layout.

FAQ

Is external matching required for ZAMP002H6TA in a 75 Ω system?

No external matching is required. The device features internally optimized 50 Ω input and 75 Ω output impedance, enabling direct connection to standard 75 Ω coaxial interfaces used in satellite LNBs and cable TV tuners - verified per application note layout and S-parameter data.

What is the recommended DC blocking capacitor value for 950–2150 MHz operation?

A 100 pF NPO ceramic capacitor is specified for both input and output DC blocking across 950–2150 MHz. This value ensures <1 Ω reactance at 950 MHz while maintaining stability and minimizing parasitic resonance in the target band.

Can ZAMP002H6TA operate from a 3.3 V supply?

No. Absolute maximum rating is 7 V, but the device is characterized and guaranteed only for 4.5–5.5 V operation. At 3.3 V, gain drops >6 dB, NF degrades >2 dB, and P1dB falls below specification - not supported per electrical characteristics table.

Does ZAMP002H6TA require an RF choke on the output?

Yes. An RF choke (e.g., 100 nH) is required on Pin 5 (RF Output) to provide DC bias feed while maintaining RF signal integrity. Omitting it causes VCC leakage into the RF path and violates the test circuit configuration defined in the datasheet.