TTI Series Dual GaN Ka BUC 40W

The Dual GaN Ka BUC from TTI is a GaN-Based BUC/SSPA that converts an input frequency from 1-2 GHz to an output frequency from 29-31 GHz. It delivers an output power of up to 40 W (46 dBm) with a gain of over 70 dB. This BUC has a built-in linearizer, output isolator & switchable local oscillator and provides the capability to adapt BUC configuration to the required output power, optimizing the consumption while keeping the same electrical specifications. It has a phase noise of -93 dBc/Hz @ 100 kHz offset and spurious levels off better than -60 dBc.

The BUC can be controlled via RS-485, Ethernet, and USB interfaces. It is available in a weatherproof module that measures 340 x 210 x 170 mm with an N-type (female) input connector and WR28 output interface. It requires an AC supply of 90-264 V and consumes 350 W of power.

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High Efficiency and Reliability

Based on GaN technology is intended for outdoor operation. Highest performance in compact packaging. Built-in linearizer, output isolator, and switchable local oscillator. Signal up-conversion from a Modem’s L band output into Ka-band frequency. Electronically switchable between 29-30 GHz and 30-31 GHz.

Optimized Consumption

In addition to the superior efficiency achieved at maximum load, it provides the capability to adapt the BUC configuration to the required output
power, optimizing the consumption while keeping the same electrical specifications, particularly linearity.

Monitoring and Control

Full M&C capability is provided via RS-485 (ASCIIcommands), Ethernet (Telnet, HTTP with embedded web page), and USB. SNMP optional. Discrete lines for mute and turn on/off functionalities and summary alarm (Form C relay and discrete) are used for a quick operation.

Key Features

• Electronically switchable: 29-30 GHz / 30-31 GHz
• High linear power
• High MTBF
• Compact size
• Redundant configurations (1:1, 2:1, N:1)
• Weatherproof

ELECTRICAL
Input frequency range	1-2 GHz
Output frequency range	29-30 GHz / 30-31 GHz (electronically switchable)
Output Power (PSAT(typical))	46 dBm (40 W) from 29 to 30 GHz, 45 dBm (32 W) from 30 to 31 GHz
Linear Output Power (PLINEAR)	43 dBm (20 W) from 29 to 30 GHz, 42 dBm (16 W) from 30 to 31 GHz
Gain	>70 dB
Gain flatness	4 dB p-p max over full band; 1dB p-p max over any 40 MHz
Gain variation over temperature	±1.5 dB over full operating range
Attenuation Adjustment Range	20 dB in 0.1 dB step
Input impedance and VSWR	50 Ω, ≤1.5:1
Output VSWR	≤1.3:1
Phase noise	-63 dBc/Hz at 100 Hz, -73 dBc/Hz at 1 kHz, -83 dBc/Hz at 10 kHz, -93 dBc/Hz at 100 kHz
External reference frequency and phase noise	10 MHz, 0 dBm ±5 dB (TX IF port multiplexed) -135 dBc/Hz at 100 Hz, -155 dBc/Hz at 1 kHz, -160 dBc/Hz at 10 kHz
Spectral regrowth	-30 dBc @ PLINEAR* * For a single carrier with modulation DVB-S, 4MBaud, Roll-off: 0.25, ModCod QPSK-3/4, Occupied Bandwidth 5MHz, Measured @1.0x symbol rate
Spurious	-60 dBc max @ PLINEAR

POWER SUPPLY
Input voltage	90-264 VAC, 50-60 Hz
Power consumption @ PSAT	350 W @ PSAT

MECHANICAL & INTERFACES
Dimensions (L x W x H)	340 x 210 x 170 mm
Weight	<15 kg
Interfaces	RF Input (L-Band + Ref Signal): N-type (f) RF Output: WR28 AC Line: 3-pin Military Circular (MS3102R10SL-3P) M&C: RS-485: 19-pin (MS3112E14-19S) Ethernet: 17-150214 USB: 17-200781

MONITOR & CONTROL PARAMETERS
Remote control	RS-485 / Ethernet / USB
Monitor parameters	Forward & Reverse output power, Input power, Temperature, Summary alarms
Internal self-protection	Temperature (>85°C), Reflected power

ENVIRONMENTAL
Operating Temperature	-30 °C to +55 °C
Storage Temperature	-40 °C to +85 °C
Humidity	100 % condensing

• High stability internal reference

• Extended temperature range:

T1 (-40oC, +55oC)

T2 (-40oC, +60oC)

• Redundancy systems

(1:1, 2:1, N:1)

• SSPA version

• Automatic Control Mode (AGC, ALC)
• Pressure window
• Output RF calibrated sample port

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