ETL Systems TLT-D-K4KX-1004 Ka-Band Test Loop Translator 27.5–31 to 17.3–21.2 GHz

ETL Systems TLT-D-K4KX-1004 Ka-Band Test Loop Translator 27.5–31 to 17.3–21.2 GHz

The ETL Systems TLT-D-K4KX-1004-K5K5 is a Ka-band-to-Ka-band test loop translator module for satellite communications test systems. It provides non-inverting frequency conversion with manufacturer-specified conversion bands spanning 27.5–31 GHz input and 17.3–21.2 GHz output.

The synthesised local oscillator provides 1 kHz frequency steps and a ±1.75 GHz control range. Input and output frequency settings are user controllable. Instantaneous bandwidth is 1 GHz at the centre LO setting and decreases when the LO is offset from centre.

Attenuation is adjustable from 0 to 60 dB in 0.25 dB steps, with a specified step tolerance of ±0.20 dB over the operating band. Mean conversion gain is 0 ±3 dB at the 0 dB attenuation setting. Gain accuracy and flatness apply to the specified conversion bands shown below.

The hot-swappable module occupies eight slots in a compatible GENUS 1U chassis. The manufacturer specifies one translator module maximum per chassis. Local touchscreen and remote monitoring and control are provided through the compatible chassis platform.

Specifications

Model: TLT-D-K4KX-1004
Full Model Number: TLT-D-K4KX-1004-K5K5
Product Type: Ka-band-to-Ka-band test loop translator module
Input Frequency Range: 27.5–31 GHz across the specified conversion bands; see frequency qualification below
Output Frequency Range: 17.3–21.2 GHz across the specified conversion bands
Instantaneous Bandwidth: 1 GHz at the centre LO setting; reduced when the LO is offset
LO Frequency Control: 1 kHz steps; ±1.75 GHz control range; user-controllable input and output frequency settings
RF Ports: 50Ω 2.92 mm
Mean Conversion Gain: 0 ±3 dB at 0 dB attenuation; specified conversion bands only
Attenuation Control: 0–60 dB; steps of 0.25 ±0.20 dB over the operating band
Maximum Input Level: 0 dBm operational; +20 dBm absolute maximum for no damage
Gain Flatness: ±3 dB full band; ±2 dB over any 1 GHz; ±1 dB over any 500 MHz; ±0.5 dB over any 40 MHz; subject to the specified conversion bands
Input / Output Return Loss: 14 dB typ.; 10 dB minimum for both
Reference: Internal stability ±0.05 ppm over 0°C to +50°C; optional external 10 MHz at +3 ±3 dBm with automatic detection
Mute / Spectral Response: 80 dB mute suppression; non-inverting conversion
Chassis / Reliability: Compatible GENUS 1U; eight-slot module; one translator maximum per chassis; MTBF greater than 80,000 hours per module

Specified Conversion Bands

The manufacturer specifies gain accuracy and flatness for the following frequency pairings.

Only one mode is selectable at a time, and the input and output must use the same mode. Operation at other user-set frequencies may result in degraded performance.

Phase Noise

Key Features

• Ka-band frequency translation for satellite test applications.

• Up to 1 GHz instantaneous bandwidth at the centre LO setting.

• Synthesised LO with fine 1 kHz frequency adjustment.

• 60 dB variable attenuation.

• 50Ω 2.92 mm input and output connectors.

• Non-inverting frequency conversion.

• Hot-swappable module with chassis-based local and remote control.

This listing covers one TLT-D-K4KX-1004-K5K5 translator module. The GENUS chassis, external reference source, RF cables, and other accessories are sold separately unless included in the quoted configuration. Touchscreen, Ethernet, SNMP, web interface, and redundant power features depend on the selected chassis configuration.

The manufacturer’s V1.0 datasheet states a 27.5–31 GHz input range on the overview page and 27–31 GHz in the general specification table. The listed conversion bands begin at 27.5 GHz; confirm operation below 27.5 GHz before ordering. The full input and output ranges are not simultaneously available as instantaneous bandwidth. The reference stability temperature range is not a complete module operating-temperature specification. Confirm the required frequency pairing and chassis configuration when requesting a quotation.