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

Manufacturer Model  Frequency Range Output Power Modulator Gain Application Maximum stress levels Supply
TekBox TBMDA1
40MHz-3GHz
 150mW AM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		 22dB Immunity testing
in TEM-cells		 TBTCO:100 V/m
TBTC1:56 V/m
TBTC2:28 V/m
TBTC3:18V/m		 USB
TekBox TBMDA2
10MHz- 1.5GHz
 0.5W AM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		 43dB Immunity testing
in TEM-cells		 TBTCO: 178 V/m
TBTC1:100 V/m
TBTC2:50 V/m
TBTC3:33 V/m		 USB
TekBox TBMDA3B 10MHz-1GHz 8W AM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		 42dB Immunity testing
in TEM-cells		 TBTCO: 711 V/m
TBTC1:398 V/m
TBTC2:199 V/m
TBTC3:132 V/m		 Mains 100 – 240V AC
TekBox TBMDA4B
100kHz-75MHz
 5W AM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		 48dB Immunity testing
in TEM-cells		 TBTCO: 565 V/m
TBTC1:316 V/m
TBTC2:158 V/m
TBTC3:105 V/m		 Mains 100 – 240V AC
TekBox TBMDA5 150kHz-1GHz 2.5W AM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		 38dB Immunity testing in
TEM-cells or with CDNs
according EN 61000-4-6		 Class 1
Class 2		 Mains 100 – 240V AC
TekBox TBMDA7 1GHz-3 GHz 400mW AM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		 40dB Immunity testing in
TEM-cells		 USB
TekBox TBLPA1 10MHz-1GHz 1W – 37dB General purpose – Mains 100 – 240V AC
TekBox TBMDA-CDN25
150kHz-250MHz
 25W AM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		 47dB Immunity testing
with CDNs or BCI
probes according
EN 61000-4-6
Class 1
Class 2
Class 3
Class X
 Mains 100 – 240V AC
TekBox TBMDA-BCI25
1MHz-400MHz
 25W AM,1kHz,80%,
PM,1kHz,50%,
PM,217Hz,12.5%		 47dB Immunity 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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