RF POWER AMPLIFIER
R&K-CA186BW3-7878R-LB

SPECIFICATIONS ＠＋25℃
Frequency Range: 185.7MHz±1.5MHz
Small Signal Gain
: ＋78.0dB (typ.)Output Power (CW)
: 60kW (min.) @Psat.
Operation Mode
: Class AB
Amplitude Stability: 0.1％(max.) @1sec , Po=60kW
Phase Stability: 0.1° (max.) @1sec , Po=60kW
RF Stability: ±0.5dB(max.) @8h , Po=60kW
Amplitude Flatness: 5% (max.) @185.7MHz±200kHz
Phase Linearity: 5° (max.) @185.7MHz±200kHz
Group Delay: 300ns (max.)
Maximum RF Input Power : ＋5dBm
Harmonics: －30.0dBc (max.) @Po=60kW
Spurious: －70.0dBc (max.) @Po=60kW
Noise Figure: 10dB (max.)
Impedance: 50Ω
AC Supply Input: AC480V／3φ, 5Wire, 60Hz
AC120V／1φ, 2Wire, 60Hz
Consumption Power: 120kVA (max.) @Po=60kW
Efficiency: 54% @Po=60kW(@1dB Comp.)
Operating Temperature: ＋ 4℃ to ＋45℃
Storage Temperature: －15℃ to ＋55℃
Connectors: RF‐IN
N‐FEMALE
RF‐OUT 6-1/8” EIA FlangeSize: (W)911mm×(D)2200mm×(H)2536.4mm
Weight: 2830kg (typ.)
Cooling: Water CoolingProtection Circuits: Over Temperature Protection(All not listed)
Output Over Reflection Power Protection
AC Input Abnormality Detection
Flow Rate Protection, etc.
Other Functions: R&K Multi Monitoring SystemModbus Control (Ethernet)
With Output Circulator■ All Solid-State Amplifier■ Frequency Range :185.7MHz±1.5MHz■ Output Power(CW):60kW(min.) @1dB Comp.
■ Efficiency:54％ @Po=60kW※IN MILLIMETERS911
FRONT VIEW

2348.2

2130

406.4

APPLICATION
Accelerator Application
OUTLINE DRAWING

142.6

2200
SIDE VIEW

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".

－1－

REAR VIEW

RF POWER AMPLIFIERTYPICAL PERFORMANCE (Temp @+25℃)

Amplitude Flatness

30

R&K-CA186BW3-7878R-LB

2928

Gain (dB)

27262524232221
183.2

184.2

185.7Frequency (MHz)

187.2

188.2

187.2

188.2

187.2

188.2

Phase Linear

215
205

Phase (deg.)

195185
175
165
155
145
135
125
183.2

184.2

185.7

Frequency (MHz)Group Delay

250

Group Delay (nsec.)

240
230
220
210
200
190
180
170
160
183.2

184.2

185.7

Frequency (MHz)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".

－2－RF POWER AMPLIFIERTYPICAL PERFORMANCE (Temp @+25℃)
R&K-CA186BW3-7878R-LB

Harmonics

Spurious

Output Power Linearity

80
7876
74

Output Level (dBm)

72
70
68
66
64
62
60
5856
f =185.7MHz

54-21*with FWD. Interlock avoided-19-17-15-13-11-9

Input Level (dBm)
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".

－3－-7-5-3-1

RF POWER AMPLIFIERTYPICAL PERFORMANCE (Temp @+25℃)
R&K-CA186BW3-7878R-LB

Amplitude (V)0.350

RF Stability 1sec Amplitude (V) vs Time (1s full scale, 25000point/40μs)
f =185.7MHz

0.349
0.348
0.347
0.346
0100

200

300

400500600Time (msec.)

800

900

1000

RF Stability 1sec Phase (deg.) vs Time (1s full scale, 25000point/40μs)-20Phase (deg.)

700

Std(Amp.)/Mean(Amp.) in % = 0.008 Should be < 0.1

f =185.7MHz

-18
-16
-14
-120100

200

300

400

500

600

Time (msec.)

700

800

900

1000

Std(Phase) in degree = 0.083 Should be < 0.1

RF Stability @100h, +25℃
70

7060

60

505040403030

010Forward Power

2030

Environmental Temperature

4050Time (h)60System Rack Air TemperatureR&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".

－4－70
LCW INLET Temperture

8090100LCW OUTLET Temperture

Temperature(℃)

Output Power (kW)f =185.7MHz