MKS ENI Mid. Frequency Power Supplies: GMW, NOVA
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Operating at a frequency range of 1.8MHz to 2.17MHz, these MKS ENI mid. frequency GMW-25 and GMW-50 have the DSP-based control module which automatically measures forward RF power and reflected RF power, maintaining constant power output with in ±1% of set point over a Dynamic Power Range of 25 to 2,500 Watts.
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| Specifications | B-5002-02 | 11002-00 |
|---|---|---|
| Frequency (MHz) | 2.00 | |
| Dynamic Power Range | 50-5,000W | 100-11,000W |
| Load Regulation (worst phase forward power) | ||
| W nominal into 1.1:1 VSWR | 5,000W | 11,000W |
| W nominal into 1.5:1 VSWR | 4,278W | 8,500W |
| W nominal into 2.0:1 VSWR | 3,465W | 6,800W |
| W nominal into 3.0:1 VSWR | 2,738W | 5,100W |
| W nominal into ∞:1 VSWR | 1,000W | 2,000W |
| Load Impedance Range | Unlimited | |
| RF Stability Spurious Output | Unconditionally stable for any load within operational limits <40dBc into 50 ohm load | |
| Harmonic Output/Distortion (at max power) | <45dBc, Maximum (50 ohm load) | <30dBc, Maximum (50 ohm load) |
| Frequency | 0-1kHz | |
| Minimum Pulse Width | 100 �sec | |
| RF Rise/Fall Time | 100 �sec | |
| Power Control Accuracy | �10W or 2% above 500W | �20W or 2% above 1,000W |
| Interface | RS232, subminiature 9-pin Type DB9F | |
| Optional | External: 25 pin Analog, or DeviceNet | |
| Dimensions H x W x D inches (mm) | 5.25 x 17 x 24 (133 x 432 x 610) | 8.75 x 17 x 22 (222 x 432 x 559) |
| Generator Weight (maximum) | 57 lbs | 130 lbs |
| Primary AC Power Source | 200/208 VAC �10% 3 Phase | |
| Rated Current | <25A/phase | <50A/phase |
| Ambient Temperature | +5 to +35�C, non condensing | |
| Cooling Water (minimum) | 2.0 gpm | |
| Compliance | CE to EMC 89/336/EEC and LVD 72/23/EEC; NRTL Listed | |
| RF Output Connector Type | HN | SQS (F) |
| Model | AMAT #'s |
|---|---|
| GHW-12 | 0190-06990, 0190-21832 |
| GHW-12 | 0190-06988, 0190-09832, 0190-14992 |
| GMW-25 | 0190-21831 |
| GHW-50 | 0920-01098, 0920-01098W |
| GHW-85 | 27-105447-00, R27-274812-00 |
GMW-25Z Specifications
- RF output frequency: 2.00 MHz
- RF output power rating into matched load: 2,500W into a 50Ω load
- RF output power rating into mismatched load (all Φ):
Forward Power Load VSWR 2,500W 1.5:1 2,000W 2.0:1 1,500W 3.0:1 500W ∞:1 - Dynamic power range: 5-2,500W
- Load impedance range: Unlimited
- RF stability/spurious output: Unconditionally stable / < -50dBc (for any load, within ratings)
- Harmonic output/ distortion: <-40dBc (within ratings)
- Power control/ regulation:
AC line-to-power 0.5% max. change in output power over rated line voltage range.
Regulation tolerance is referenced from set point. Subject to limits of forward & reverse power and current; accuracy relative to ENI power standard.Power Range Reg. Tolerance >250W ±1% <250W ±2.5W - Load mismatch protection: Automatic; forward power limits typically 0.25 ms after reverse power reaches a pre-programed level 20% of rated power.
- Primary AC power source: 3/PE∼, 380-480V ±5%, 15A, 50-60Hz ±3Hz
- Power consumptions: 5.4kVA (480VAC, 60Hz)
- Power factor at maximum output into a matched 50Ω load: >0.70
- Cooling system: Combination of water-cooling and forced-air cooling.
- External ambient air: Temperature rating 10-40 °C
- Cooling water: Inlet temperature rating 5-35 °C
- Connections: Accept ¼" male (NPT) pipe thread
- Size* H x W x D- 5.25" x 19" rack mount x 22.62" *(including handles and connectors)
- Weight: 55lbs.
- Remote interface connector: Standard-subminiature type D, 9-pin digital; optional custom analog interface cards available.
- RF output connector: Type N or custom
- Equipment internal fuse ratings: Fuses F4-F6 on housekeeping power supply PCB Assy (1050-230) 3A, 250V
ENI GHW-12
Read the manufacturers specifications for the GHW-12.