DR 290 :
9 kHz - 400 MHz / 290 W CW


- Class A solid state
- Broadband (instantaneous single band): 9 kHz –400 MHz
- Frequency extension between 4 kHz and 9 kHz upon request
- Typical output power : 290 W CW
- Linear output power (1 dB compression) guaranted with harmonics <-20 dBc:
- P1dB > 140 W and H<-20 dBc at 9 kHz
- P1dB > 180 W and H<-20 dBc from 10 kHz to 20 kHz
- P1dB > 200 W and H<-20 dBc from 20 kHz to 300 MHz
- P1dB > 140 W and H<-20 dBc from 300 MHz to 400 MHz
- Air cooling: self contained fans
- Can operate in full mismatch conditions without damage
- Reliable, efficient and robust
- 19" Rack
- 3 years standard warranty
VERSIONS :
- DR 290 S : standard amplifier
-
DR 290 D amplifier with:
- Multicolor LCD display with touch panel
- Digital control
- IEEE 488 GPIB, Ethernet, USB, RS232 Communications
- Temperature controlled fans
- Safety interlock
-
DR 290 SC : DR 290 S with
- Integrated dual directional coupler
-
DR290 DC : DR 290 D with :
- Integrated dual directional coupler
- Display of instantaneous incident and reflected power
MAINTENANCE :
-
Amplifier designed for minimal maintenance
- Easy access to all parts
- Modular design
- Repairs with minimum adjustments
- Rapid diagnostic
- Minimal downtime
- Contract for preventive and corrective maintenance available
APPLICATIONS :
- EMC tests
- RF tests and instrumentation
- Radiocommunication
- Measurement and research laboratories

- Frequency bandwidth : 9 kHz - 400 MHz
- Typical output power : 290 W
- Power at 3 dB compression minimum : 180W at 9kHz / 200W 10-20kHz / 250W 20kHz-300MHz / 190W 300-400MHz
- Power at 1 dB compression minimum : 140W at 9kHz / 180W 10-20kHz / 200W 20kHz-300MHz / 140W 300-400MHz
- Harmonics distortion : H2,H3 < -20 dBc for the output power at 1 dB compression limit
- Class type : Class A
- Gain : 53 dB
- Linear power gain flatness : ± 2.5 dB max
- Mismatch tolerance : infinite without damage
- Input impedance : 50 ohms / VSWR: 2:1max
- Output impedance : 50 ohms / VSWR: 2:1max
- Input power : +10 dBm max.
- RF input connector : Type N fem. (front or rear panel) – other connector type on request
- RF output connector : Type N fem. (front or rear panel) – other connector type on request
- Ambient operating temperature : 0 °C / + 35 °C
- Room temperature storage : -20 °C / +70 °C
- Cooling : Forced air with fan speed control (for D version): 60 l/sec max. (self contained fans)
- Power voltage : 90-250 VAC, 47-63 Hz, single phase
- Rated current : 12.2 A at 110 VAC / 5.8 A at 230 VAC
- Dimensions : 640 x 450 x 178 mm (4U) / 25.2 x 17.7 x 7 in (4U)
- Weight : 28 kg / 62 lb
DR 290 D version :
- Safety interlock : Connector type BNC
- Digital control : Transistors, power supplies, temperatures and fans
- Communication interfaces : Ethernet, USB, GPIB, RS232
- Color LCD display with touch screen : Status, faults, (direct and reverse instantaneous power for DC version)
DR 290 SC and DR 290 DC versions :
- Integrated bidirectional power coupler : Coupling factor 40 dB typ. (SC version) / 49 dB typ. (DC version)
- Power coupling connector : Type N fem. (front or rear panel)
- Estimated output power losses due to the coupler : 0.3 dB

- External coupler
- Supply and integration inside a cabinet
- Bulk Current Injection + Calibration JIG
- RF Power cable
- Switching unit
