Gigatronics GT-1000B Documents

Technical Datasheet

GT-1000B Microwave Power Amplier

100 MHz to 20 GHz

Broadband High-Power Instrumentation Amplier

35113-Rev.A / US020513

GT-1000B Microwave Power Amplier

• 100 MHz to 20 GHz eliminates band switching, reduces cost and complexity

• Solid-state technology for low noise, high reliability and long life

• Ideal for EMC, Wireless Communications and Defense EW applications

Advanced Amplier Technology

The Giga-tronics GT-1000B Microwave Power Amplifier incorporates the CAP Wireless patented
Spatium™ spatial combining architecture solid-state amplifier. The Spatium™ technology
amplifier is based on a solid-state parallel MMIC technology with exceptionally wide bandwidth
and high power. The unique circuit topology is highly reliable, with performance that excels
where extremes of bandwidth and power are demanded.

The Giga-tronics GT-1000B Microwave Power Amplifier provides excellent pulse fidelity, low
intermodulation distortion, high linearity and superior gain flatness without the warm-up time,
drift or aging issues of traveling wave tube amplifiers (TWTA). The GT-1000B features low noise
figure, low harmonics and spurious content, and is highly tolerant to load mismatch.

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GT-1000B Microwave Power Amplier

Advanced Amplier Technology

The Giga-tronics GT-1000B Microwave Power Amplifier offers linear high-power amplification across multi-octave bands.
It is ideal for testing in EMC, wireless communications applications and Defense EW systems. For EMI/EMC and standards
laboratories, the GT-1000B with 100 MHz to 20 GHz frequency range allows broadband testing without band switching
or swapping narrow band amplifiers resulting in faster and more accurate testing.

The amplifier can be used in wireless communications and component testing wherever a highly linear amplifier is
needed, such as testing RFICs and MMICs, or testing base station transmitters with high crest factor signals and high
peak-to-average power levels. The GT-1000B provides high power for testing limiters, step recovery diodes (SRD), or
driving traveling wave tubes (TWT).

The microwave power amplifier with excellent pulse fidelity is ideal for many Aerospace and Defense applications,
including EW, ECM, ECCM, radar and satellite system signal simulation and testing. The GT-1000B is an ideal ATE system
building block for boosting test signals to overcome cable and connector loss whenever long cable runs are needed in
assembly bays, environmental test chambers or field locations.

The amplifier provides up to 40 dB of gain over the 100 MHz to 20 GHz frequency range. An optional coupler/detector
is available for external power monitoring or for external leveling a companion microwave signal generator. The GT­1000B can be paired with a Giga-tronics 2520B Microwave Signal Generator, increasing the overall output power while
preserving the synthesizer’s fast switching speed, modulation, and high signal fidelity.

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GT-1000B Microwave Power Amplier

Frequency Range

GT-1000B 2 GHz to 20 GHz

GT-1000B Option 06 100 MHz to 18 GHz

Output Power

Technical Specications

Output power is specified as minimum saturated power into 50 Ohm load with +5 dBm input, at 23
Input power for normal operation should be limited to +20 dBm maximum.

Range Specifications*

2 GHz to 8 GHz +40 dBm (10 Watts) typical, +38.5 dBm (7 Watts) minimum

8 GHz to 12 GHz +38.5 dBm (7 Watts) typical, +37 dBm (5 Watts) minimum

12 GHz to 18 GHz +37 dBm (5 Watts) typical, +36 dBm (4 Watts) minimum

18 GHz to 20 GHz +37 dBm (5 Watts) typical

* Note: Output power with Option 01 is decreased by 1 dB

Range, Option 06 Specifications*

100 MHz to 2 GHz +38.5 dBm (7 Watts) typical, +37 dBm (5 Watts) minimum

2 GHz to 8 GHz +38.5 dBm (7 Watts) typical, +37 dBm (5 Watts) minimum

8 GHz to 12 GHz +37 dBm (5 Watts) typical, +36 dBm (4 Watts) minimum

12 GHz to 18 GHz +36 dBm (4 Watts) typical, +35 dBm (3 Watts) minimum

* Note: Output power with Option 01 is decreased by 2 dB

°C ± 5°C.

Gain Flatness

Nominal gain is 40 dB (Nominal gain with Option 06 is 35 dB).
Gain flatness is specified as maximum variation with -5 dBm input and 50 Ohm load.

Range Specifications

100 MHz to 18 GHz (Opt. 06) +/- 4.5 dB maximum

2 GHz to 20 GHz +/- 3.5 dB maximum

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GT-1000B Microwave Power Amplier

Input and Output VSWR

Parameter Specifications

Input, Standard (2 GHz to 20 GHz) 50 Ohms, 2:1 maximum

Input, Option 06 (100 MHz to 18 GHz) 50 Ohms, 2.9:1 maximum, 2.5:1 typical

Output, Standard (2 GHz to 20 GHz) 50 Ohms, 2.7:1 maximum, 2.3:1 typical

Output, Option 06 (100 MHz to 18 GHz) 50 Ohms, 3.7:1 maximum, 3.5:1 typical

Additional Specications

Parameter Specifications

Stability Unconditionally Stable

Maximum Load VSWR 3:1

Harmonics*, Standard (2 GHz to 20 GHz)

Harmonics*, Option 06 (100 MHz to 18 GHz)

Spurious* < -60 dBc typical

Noise Figure < 10 dB typical, < 14 dB maximum

< -30 dBc typical

< -25 dBc typical

Technical Specications

* Note: Harmonics measured at +27 dBm output power. Spurious measured at -5 dBm input power level

General Specications

Line Voltage 85 to 264 VAC, 47 to 63 Hz, Single Phase

Line Power 450 VA maximum

Operating Temperature 0°C to +50°C

Storage Temperature -20°C to +75°C

Cooling Forced air, eld replaceable fans

Rack Height 3U (5.25”)

Dimensions* 5.25” H x 17” W x 20” D (134 mm H x 432 mm W x 508 mm D)

Weight <35 lbs (<16 kg)

Environmental MIL-PRF-28800F, Class 3

Safety EN61010

Emissions EN61326

* Note: Dimensions with rack ears, 5.25” H x 19” W x 21” D (134 mm H x 483 mm W x 534 mm D)

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GT-1000B Microwave Power Amplier

GT-1000B Front Panel Status Indicators

Indicator Description

Power On Lit indicates AC power is applied and unit is ready to function

Module Fault Lit indicates an amplier module in the unit is inoperable

Temperature Fault Lit indicates internal heat sink temperature exceeding 75°C

Fan Fault Lit indicates the exhaust fan has stopped rotating

GT-1000B Rear Panel Connections

Connection Description

RF Input SMA (f) standard or Type-N (f) with Option 02

Detector Output (Option 01)

Remote RF Off Input BNC (f), Open = RF On, Short to Ground = RF Off, Short Circuit Current = 10 mA max.

AC Power Input 85 to 64 VAC, 47 to 63 Hz, Single Phase, 450 VA max.

BNC (f), -1 Volt DC nominal detector output at 10 Watts RF out,

and nominally -250 mV at 1 Watt RF out, into high impedance

Technical Specications

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Ordering Information

Giga-tronics has a network of RF and Microwave instrumentation sales engineers and a staff of factory support
personnel to help you find the best, most economical instrument for your specific applications. In addition to
helping you select the best instrument for your needs, our staff can provide quotations, assist you in placing
orders, and do everything necessary to ensure that your business transactions with Giga-tronics are handled
efficiently.

Model Number Frequency Range

GT-1000B Microwave Power Amplier, 2 GHz to 20 GHz, SMA (f) connectors

Available Options and Accessories*

Option Description

01 Add internal coupler/detector for external ALC and power monitoring

02 Type-N (f) input and output connectors

04 Both input and output connectors on front panel

06 Add 100 MHz to 18 GHz Frequency Range

46 Rack slide Kit (HP Style Rack only)

* Special connector configurations available upon request. Contact your local representative.

Giga-tronics Support Services

At Giga-tronics, we understand the challenges you face. Our support services begin from the moment you call
us. We help you achieve both top-line growth and bottom-line efficiencies by working to identify your precise
needs and implement smart and result orientated solutions. We believe and commit ourselves in providing
you with more than our superior test solutions. For technical support, contact:

Tel: [phone]-GIGA (4442) or [phone]

Email: [e-mail]

Updates

All data is subject to change without notice. For the latest information on Giga-tronics products and
applications, please visit out website:

http://www.gigatronics.com

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