RF POWER AMPLIFIER
2017 Model■ Class A Linear Solid-State Amplifier■ Broadband Frequency:9kHz～254MHz■ Output Power(CW) :500W(min.) @3dB Comp.

R&K-A009K251-5757R

APPLICATION
Bunch by Bunch Feedback System for Synchrotron (Storage Ring)
EMC(Electromagnetic Compatibility), etc.

SPECIFICATIONS ＠＋25℃
Frequency Range
Small Signal Gain
Gain Flatness
Output Power (CW)OUTLINE DRAWING: 9kHz ~ 254MHz: ＋57.0dB (min.): ±2.0dB (max.): 500W (min.)@3dB Comp.
: 450W (typ.), 400W (min.) @1dB Comp.
Output I.C.P.
: ＋65.5dBm (typ.)Harmonics: －20.0dBc (max.) @Po=350W
Spurious: －70.0dBc (max.) @Po=350W
Impedance: 50Ω
Input Return Loss
: 14.0dB (min.) ／ VSWR : 1.5 (max.)
Output Return Loss
: 6.0dB (min.) ／ VSWR : 3.0 (max.)
Maximum RF Input Power : ＋3.0dBm
AC Supply Input: AC200V±15％／1φ, 50／60Hz, 3.2kVA Δ1
Operating Temperature :0℃ to ＋40℃
Storage Temperature: －15℃ to ＋65℃
Connectors: RF-IN
N-FEMALE @REAR PANEL
RF-OUT N-FEMALE @REAR PANEL
Size: (W)480mm×(D)649.5mm×(H)177mm(EIA:4U)
Weight: 35.5kg (typ.)
Cooling: Forced Air CoolingProtection Circuits: Over Temperature Protection
Power Supply Voltage Protection
Output Over Power Protection
Output Over Reflected Power Protection
Other Functions: R&K Multi Monitoring System
GP-IB(IEEE-488)
Safety Interlock(EMERGENCY)※IN MILLIMETERS
REAR VIEW

480430177

FRONT VIEW

SIDE VIEW
36649.5

TYPICAL PERFORMANCE (Temp @+25℃)
Small Signal Gain

80

4.030

1.5110Frequency (MHz)1002500.01

Output Power 1dB Gain Comp.

0Output Harmonics (dBc)

59575553510.010.1110Frequency (MHz)

100

250

5453

2.00.155

2.5

400.01

Output Power (dBm)

5652
510.1

110Frequency (MHz)100250

Output Harmonics
Output Power = 350W

-10Output Power (dBm)

VSWR

Gain (dB)50

FWD LIMIT

57

3.060

Output Power Linearity

58

Input VSWR
Output VSWR

3.57061

Input / Output VSWR

50
4948
47
4645
44-20

Frequency
9kHz
100kHz
1MHz
10MHz
50MHz
100MHz150MHz200MHz250MHz

43-30

42
41-40

40-50

0.01

390.1

110Frequency (MHz)

100

250

-20-18-16-14-12-10-8

Input Power (dBm)-6-4-20* CHANGE Δ1 29/Dec./2017
R&K reserves the right to make changes in the specifications of or discontinue products at any time
without notice. R&K products shall not be used for or in connection with equipment that requires anextremely high level of reliability and safety such as aerospace uses or medical life support equipment.
Further, the export of R&K products from Japan may be subject to an export license by the governmentof Japan, based on Japan's "Foreign Exchange and Foreign Trade Law".

－1－RF POWER AMPLIFIER
R&K-A009K251-5757R

TYPICAL PERFORMANCE (Temp @+25℃)

Group Delay (300kHz〜2MHz)

1009080

Delay (nS)706050403020
100.3

0.40.50.60.7 0.8 0.9 1

2Frequency (MHz)Group Delay (1MHz〜250MHz)

757065

Delay (nS)

60
55
50
45403530
1360

10100

Frequency (MHz)250

Relative Phase Variation (Div:45゜／Phase Offset=180゜)

315

Phase (deg.)

270
225
180
135
90
4500.010.1

1Frequency (MHz)R&K reserves the right to make changes in the specifications of or discontinue products at any timewithout notice. R&K products shall not be used for or in connection with equipment that requires anextremely high level of reliability and safety such as aerospace uses or medical life support equipment.
Further, the export of R&K products from Japan may be subject to an export license by the governmentof Japan, based on Japan's "Foreign Exchange and Foreign Trade Law".

－2－10100250