Accelerator Application

APPLICATION

AC200V/DC　INCONTROL-A

CONTROL-B

RF

IN-2

RF

IN-1

CO

NT

ROL-

B

CO

NT

ROL-

A

RF

IN-2

RF

IN-1

CO

NT

ROL-

B

CO

NT

ROL-

A

RF

IN-2

RF

IN-1

CO

NT

ROL-

B

CO

NT

ROL-

A

RF

IN-2

RF

IN-1

CO

NT

ROL-

B

CO

NT

ROL-

A

RF IN RF IN RF IN RF IN

RF REF MON

-76dB

BLANKING IN

TTL Lo=Active

RF FWD MON

-76dB

Ethernet

LINE　INPUT

AC200V，3Φ　50/60Hz

ST-BY

RFIN1.7MHz

50Ω

ST-BY

POWER

R&K Company Limited

RF IN-4

RF IN-3

RF IN-2

RF IN-1

EMERGENCYSTOP

PAGE SELECT

RESET

DOWN

RF ON/OFF

LOCALUP

A1.7BW0.4-6878RRF POWER AMPLIFIER

R&K

FRONT VIEW REAR VIEWSIDE VIEW

1100800

1513

1680

83.5

684

768

853

Frequency RangeOutput PowerOperation ModeImpedanceMaximum Input LevelHarmonicsSpuriousInput VSWROutput VSWRBlanking Pulse Input

RF Blanking ON/OFF RatioSingle Amplifier AM modulation Level LinearitySingle Amplifier AMmodulation Phase LinearityAC Supply InputConsumption PowerOperating TemperatureStorage TemperatureConnectors

Size

WeightCoolingProtection Circuits

Metering

: 1.7MHz～1.9MHz: 60kW (pep): Class D: 50Ω: 1Vp-p: －25.0dBc (max.) @Po=60kW: －60.0dBc (max.) @Po=60kW: 1.5 (max.): 2.0 (max.): TTL Lo＝ON, TTL Hi＝OFF (TTL width≦25ms，duty≦50%): 100dB (min.)

: ±25％ (max.)

: ±25％ (max.): AC200V±10％／3φ, 50／60Hz: Ave. 52kVA (typ.), Peak 107kVA (typ.): 0℃ to ＋35℃: －15℃ to ＋55℃: RF‐IN N‐FEMALE RF‐OUT 3-1/8” EIA Flange: (W)824mm×(D)1160mm×(H)1680mm (W)684mm×(D) 853mm×(H) 768mm (Excluding Projection): 1200.0kg (max.): Forced Air Cooling and Water Cooling: Over Temperature Protection Power Supply Voltage Protection Output Over Power Protection Output Over Reflection Power Protection Blanking Input Error protection Over Dorain Voltage/Current Protection Gate Voltage Protection Input Level Protection Water Flow Protection Water Temperature Protection: R&K Multi Monitoring System

R&K-A1.7BW0.2-6878R

R&K-A1.7BW0.2-6878R

■ Envelope Synchronous Amplitude Modulation, Class D RF Power Amplifier.■ Frequency Range:1.7MHz～1.9MHz■ Output Power :60kW(pep)■ Building Block Construction

HIGH POWER AMPLIFIER

Model NumberOP XX Option:Ask

HOW TO ORDER

SPECIFICATIONS ＠＋25℃

OUTLINE DRAWING ※IN MILLIMETERS

－ 1 －

80

79

78

77

76

75

74

73

0

-10

-20

-30

-40

1.80 1.901.70 1.851.75

3.0

2.8

2.6

2.4

2.2

2.0

1.8

1.6

1.4

1.2

1.80 1.901.70 1.851.75

1.80 1.901.70 1.851.75

Output Power = 60kW

Output VSWRInput VSWR

HIGH POWER AMPLIFIERO

utpu

t Pow

er (d

Bm

)

Frequency (MHz)

Output Power @PeakOutput Power @Peak

Out

put H

arm

onic

s (d

Bc)

Output HarmonicsOutput Harmonics

VS

WR

Frequency (MHz)

Input / Output VSWRInput / Output VSWR

TYPICAL PERFORMANCE (Temp @+25℃)

Frequency (MHz)

R&K-A1.7BW0.2-6878R

－ 2 －

HIGH POWER AMPLIFIER

Spurious (Narrow Band)Spurious (Narrow Band)

Spurious (Broad Band)Spurious (Broad Band)

1.2 1.3 1.4 1.5 1.7 1.8 1.9 2.0 2.2

110

100

90

80

70

60

50

40

30

20

110

100

90

80

70

60

50

40

30

20

1.6 2.1

1.60 1.62 1.64 1.66 1.70 1.72 1.74 1.76 1.801.68 1.78

80dBc or more80dBc or more

Modulated NoiseModulated Noise

80dBc or more80dBc or more

Modulated AM SignalModulated AM Signal

TYPICAL PERFORMANCE (Temp @+25℃)

Frequency (MHz)

Frequency (MHz)

Leve

l (d

Bm

)Leve

l (d

Bm

)

R&K-A1.7BW0.2-6878R

－ 3 －

80

70

60

50

40

30

20

10

01.80 1.901.70 1.851.75

100 14020 60 80 120400

70

60

50

40

30

20

10

100

90

80

70

60

50

40

1.70MHz

1.75MHz

1.80MHz

1.85MHz

1.90MHz

OutputPower Efficiency

53.2V

71.7V

89.2V

105.8V

114.6V

127.5V

HIGH POWER AMPLIFIERO

utpu

t Pow

er (k

W)

Frequency vs. Output PowerFrequency vs. Output Power

Frequency (MHz)

R&K-A1.7BW0.2-6878R

Effi

cien

cy (%

)

Drain Voltage (V)

Out

put P

ower

(kW

)

Drain Voltage vs. Output Power & EfficiencyDrain Voltage vs. Output Power & Efficiency

TYPICAL PERFORMANCE (Temp @+25℃)

－ 4 －

10

8

6

4

2

0

-2

-4

-6

-8

100 14020 60 18080 120400 160 200 240220

100

90

80

70

60

50

40

30

20

10

150 21030 90 270120 180600 240 300 360 390330

1.0

0.8

0.6

0.4

0.2

0

-0.2

-0.4

-0.6

-0.8

100

90

80

70

60

50

40

30

20

10

420

Output Power

HeatsinkTemp.WaterTemp.

EnvironmentalTemp.

Phase

HeatsinkTemp.WaterTemp.

EnvironmentalTemp.

Frequency ：1.7MHzOutput Power：63.7kW

Frequency ：1.7MHzOutput Power：63.7kW

HIGH POWER AMPLIFIER

TYPICAL PERFORMANCE (Temp @+25℃)

R&K-A1.7BW0.2-6878R■Gain / Phase StabilityGain / Phase Stability

Phase Stability vs. TimePhase Stability vs. Time

Tem

pera

ture

(℃)

Time (minute)

Pha

se (d

eg.)

Tem

pera

ture

(℃)

Time (minute)

Leve

l dev

iatio

n (d

B)

Output Power Stability vs. TimeOutput Power Stability vs. Time

－ 5 －

・Frequency = 1.70MHz / Output Power = 65.125kW ・Frequency = 1.70MHz / Output Power = 65.125kW ※70dB coupler connection

・Frequency = 1.75MHz / Output Power = 65.165kW ・Frequency = 1.75MHz / Output Power = 65.165kW ※70dB coupler connection

・Frequency = 1.80MHz / Output Power = 66.663kW ・Frequency = 1.80MHz / Output Power = 66.663kW ※70dB coupler connection

・Frequency = 1.85MHz / Output Power = 66.663kW ・Frequency = 1.85MHz / Output Power = 66.663kW ※70dB coupler connection

・Frequency = 1.90MHz / Output Power = 67.418kW ・Frequency = 1.90MHz / Output Power = 67.418kW ※70dB coupler connection

X:5ms / DIV Y:50V / DIV

X:5ms / DIV Y:50V / DIV

X:5ms / DIV Y:50V / DIV

X:5ms / DIV Y:50V / DIV

X:5ms / DIV Y:50V / DIV

X:5ms / DIV Y:500mV / DIV

X:5ms / DIV Y:500mV / DIV

X:5ms / DIV Y:500mV / DIV

X:5ms / DIV Y:500mV / DIV

X:5ms / DIV Y:500mV / DIV

HIGH POWER AMPLIFIER

R&K-A1.7BW0.2-6878R

－ 6 －

TYPICAL PERFORMANCE (Temp @+25℃)

■P.S. Output WaveformP.S. Output Waveform ■RF Output Voltage WaveformRF Output Voltage Waveform