Tekbox Amplifiers

Tekbox Wideband RF power amplifiers and RF signal generators are critical components in both radiated and conducted immunity tests. The combined cost of the requisite immunity test equipment is prohibitively expensive for pre-compliance applications.
Tekbox created a low-cost solution comprised of modulated RF power amplifiers driven by spectrum analyser tracking generators. Tekbox  amplifiers include built-in modulators that produce the typical modulation forms defined by the applicable standards, as tracking generators provide a CW output signal: 1 kHz, 80% AM, 1 kHz, 50% duty cycle PM, 217 Hz, 12.5% duty cycle PM.
The Tekbox EMCview software controls the frequency and output power of the tracking generator during testing.

Depending on model, our amplifiers currently cover the frequency range from 100 kHz to 1.5 GHz and the available output power covers the range from 150 mW to 25 W.
The modulated amplifiers are suitable for pre-compliance radiated immunity testing in TEM cells and pre-compliance conducted immunity testing with CDNs or bulk current injection probes.

MODULATED RF POWER AMPLIFIER

ManufacturerModel Frequency RangeOutput PowerModulatorGainApplicationMaximum stress levelsSupply
TekBoxTBMDA1
40MHz-3GHz
150mWAM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		22dBImmunity testing
in TEM-cells		TBTCO:100 V/m
TBTC1:56 V/m
TBTC2:28 V/m
TBTC3:18V/m		USB
TekBoxTBMDA2
10MHz- 1.5GHz
0.5WAM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		43dBImmunity testing
in TEM-cells		TBTCO: 178 V/m
TBTC1:100 V/m
TBTC2:50 V/m
TBTC3:33 V/m		USB
TekBoxTBMDA3B10MHz-1GHz8WAM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		42dBImmunity testing
in TEM-cells		TBTCO: 711 V/m
TBTC1:398 V/m
TBTC2:199 V/m
TBTC3:132 V/m		Mains 100 – 240V AC
TekBoxTBMDA4B
100kHz-75MHz
5WAM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		48dBImmunity testing
in TEM-cells		TBTCO: 565 V/m
TBTC1:316 V/m
TBTC2:158 V/m
TBTC3:105 V/m		Mains 100 – 240V AC
TekBoxTBMDA5150kHz-1GHz2.5WAM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		38dBImmunity testing in
TEM-cells or with CDNs
according EN 61000-4-6		Class 1
Class 2		Mains 100 – 240V AC
TekBoxTBMDA71GHz-3 GHz400mWAM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		40dBImmunity testing in
TEM-cells		USB
TekBoxTBLPA110MHz-1GHz1W–37dBGeneral purpose–Mains 100 – 240V AC
TekBoxTBMDA-CDN25
150kHz-250MHz
25WAM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		47dBImmunity testing
with CDNs or BCI
probes according
EN 61000-4-6
Class 1
Class 2
Class 3
Class X
Mains 100 – 240V AC
TekBoxTBMDA-BCI25
1MHz-400MHz
25WAM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		47dBImmunity testing with
BCI-probes
according EN 61000-4-6		I (60mA)
II (100mA)
III (150mA)
IV (200mA)
V (up to 350 mA)
(substitution method)		Mains 100 – 240V AC

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