PULSED RF POWER AMPLIFIER■ All Solid-State Amplifier■ Frequency Range:2856MHz±10MHz■ Output Power :600W(min.) @Peak(Pulse)

R&K-CA2856BW20-5858RP

APPLICATION

Accelerator Application

SPECIFICATIONS ＠＋25℃※IN MILLIMETERSFRONT VIEW
480
CA2856BW20-5858RP
PULSED RF POWER AMPLIFIER
2856MHz±10MHz +58dB 600W

FWD MON

PAGE UP

177

ST-BY

50Ω
Coupling -40dB
PAGE DOWN

POWER
REMOTELOCAL

RF ON/OFFRESETREAR VIEW
430
ST-BY

ETHERNET

171

RF OUT50Ω
Po = 600W
11 ENABLE 1
SHORT=RF ON

22 ENABLE 2
SHORT=RF ON

33 ALM OUT
OPEN=ALM

44 RF SW Status
OPEN=RF ON

RF IN

BLANKING IN

TTL HI = ON50Ω
+10dBm max.
RF Damage Level

WATER OUTLETWATER INLET

LINE INPUT
AC100V 50/60Hz

GND

SIDE VIEW
36559.555(max.)

TYPICAL PERFORMANCE (Temp @+25℃)
Gain Flatness

62
6160
59

VSWR

Gain (dB)

Input Return Loss

50

5857
56
55

60

4059

30

58

2057

1056

055

-1054-20

53-30

52-40

2836

2846

2856

Frequency (MHz)

2866

2876

Phase Flatness @Within a Pulse

2836

2846

2856

Frequency (MHz)

2866

2876

Level Flatness @Within a Pulse

Output Power (dBm)

OUTLINE DRAWING: 2856MHz±10MHz: ＋57.8dB (min.): 600W (min.) @Peak: 800W
: 100ns (max.) @Po=600W: 100ns (max.) @Po=600W: 3% (max.) @Po=600W: 1% (max.) @Po=600W @Flat-top: ±1% @Pulse to Pulse Voltage fluctuation: ±3° @within a Pulse @Flat-top: ±1° @every Pulse: 50Ω
Impedance: 20.8dB (min.) ／ VSWR : 1.2 (max.)
Input Return Loss
Maximum RF Input Power : 0dBm
: AC100V±15％／1φ, 50／60Hz, 200VA
AC Supply Input
0℃ to ＋35℃
Operating Temperature :: －15℃ to ＋55℃
Storage Temperature: RF‐IN
N‐FEMALE
Connectors
RF‐OUT N‐FEMALE: (W)480mm×(D)559.5mm×(H)177mm(EIA:4U)
Size: 25.0kg (max.)
Weight: Water CoolingCooling(Water Temp: 30℃, Flow Rate: 3 liter/min,Pressure: 10kg/cm²): Over Temperature Protection
Protection Circuits
Power Supply Voltage Protection
Output Over Power Protection(@800W): Ethernet
Remote Interface: R&K Multi Monitoring System
Other Functions
With Output Circulator
Frequency Range
Small Signal Gain
Rated Output Power
Maximum Output Power
Pulse Rise Time
Pulse Fall Time
Overshoot / Undershoot
Flat-top Flatness
Output Power Stability
Phase Variation

Output Power Linearity
FWD LIMIT

51504948474645
4341

Frequency
2846MHz
2856MHz
2866MHz40
Frequency：2856MHz
Po：600W @Duty0.05%/100pps
Pulse width ：5usec
Pulse Period ：10msec

Frequency：2856MHz
Po：600W @Duty0.05%/100pps
Pulse width ：5usec
Pulse Period ：10msec

3938
37

Duty：0.05%/100pps
Pulse width ：5usec36-20 -18 -16 -14 -12 -10-8-6

Input Power (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".

－1－-4-2

02

PULSED RF POWER AMPLIFIERTYPICAL PERFORMANCE (Temp @+25℃)
R&K-CA2856BW20-5858RP・Output Pulse
X：1us / DIV
Y：100mV / DIVFrequency ：2856MHz
Output Power：600W
Duty：0.05%/100pps
Pulse Width ：5usec
Pulse Period ：10msec

・Pulse Rise
X：20ns / DIV
Y：100mV / DIVFrequency ：2856MHz
Output Power：600W
Duty：0.05%/100pps
Pulse Width ：5usec
Pulse Period ：10msec

・Pulse Fall
X：20ns / DIV
Y：100mV / DIV

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－Frequency ：2856MHz
Output Power：600W
Duty：0.05%/100pps
Pulse Width ：5usec
Pulse Period ：10msec

PULSED RF POWER AMPLIFIERTYPICAL PERFORMANCE (Temp @+25℃)
R&K-CA2856BW20-5858RP・Pulse to Pulse Amplitude Jitter

Amplitude Jitter (12pulse)

0.2300Frequency ：2856MHz
Output Power：600W
Pulse Width ：5usec
Pulse Period ：2sec

0.22900.2280

Amplitude (V)0.22700.22600.22500.22400.22300.22200.22100.2200pulse1

pulse2

pulse3

pulse4

pulse5pulse6

pulse7

pulse8pulse9 pulse10 pulse11 pulse12*Used Oﬀset Frequency Generator for measurement. (ﬁg.1)
Oﬀset Frequency Generator 2856MHz ⇒ 10MHz (RF Pulse Signal⇒I&Q Voltage)*I and Q value after 2.5us of the rising of a pulse are measured in each 2 seconds.
I&Q Voltage⇒Amplitude (pulse1 to Pulse12)
Pulse No.
Pulse1
Pulse2
Pulse3
Pulse4
Pulse5
Pulse6
Pulse7
Pulse8
Pulse9Pulse10
Pulse11
Pulse12I (V)0.000230.00002-0.00007-0.00003
0.00005-0.00013-0.00028-0.00007-0.00028-0.00045-0.00007-0.00014

Q (V)-0.22464-0.22454-0.22467-0.22452-0.22462-0.22478-0.22470-0.22450-0.22447-0.22444-0.22448-0.22448

Amp. (V) ※ ※√(I^2+Q^2)
0.224640.224540.22467
Std.(Amp.)/Mean(Amp.) in % = 0.048%
0.224520.22462(pulse1 to pulse12)
0.224780.224700.22450
0.224470.224440.224480.22448● Measuring Points
Pulse Period 2sec

I Voltage

0.1V

pulse2

pulse11

pulse120us 5us2sec

0us 5us20sec

0us 5us22sec

pulse2

pulse11

pulse120us 5us2sec

0us 5us20sec

0us 5us
22sec

Pulse Width=5us

0us 5us0sec

Q Voltage

Pulse Period 2sec

Measuring Point=2.5us

pulse1

0.0V

Pulse Period 2sec x9

0.1V
Measuring Point=2.5us

0.0V

pulse1
Pulse Width=5us

0us 5us
0sec

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－

PULSED RF POWER AMPLIFIERTYPICAL PERFORMANCE (Temp @+25℃)
R&K-CA2856BW20-5858RP・Pulse to Pulse Phase Jitter

Phase Jitter (12pulse)

5Frequency ：2856MHz
Output Power：600W
Pulse Width ：5usec
Pulse Period ：2sec

43

Phase (deg.)

210-1-2-3-4-5

pulse1

pulse2

pulse3

pulse4

pulse5pulse6

pulse7

pulse8pulse9 pulse10 pulse11 pulse12*Used Oﬀset Frequency Generator for measurement. (ﬁg.1)
Oﬀset Frequency Generator 2856MHz ⇒ 10MHz (RF Pulse Signal⇒I&Q Voltage)*I and Q value after 2.5us of the rising of a pulse are measured in each 2 seconds.
I&Q Voltage⇒Phase (pulse1 to Pulse12)
Pulse No.
Pulse1
Pulse2
Pulse3Pulse4
Pulse5
Pulse6
Pulse7
Pulse8
Pulse9Pulse10
Pulse11
Pulse12I (V)0.000230.00002-0.00007-0.00003
0.00005-0.00013-0.00028-0.00007-0.00028-0.00045-0.00007-0.00014

Q (V)-0.22464-0.22454-0.22467-0.22452-0.22462-0.22478-0.22470-0.22450-0.22447-0.22444-0.22448-0.22448

Phase. (deg.) ※ ※arctan(I/Q)-0.05931-0.00626
0.01843
Std.(Phase) in degree = 0.045deg.
0.00881-0.01372(pulse1 to pulse12)
0.03335
0.07269
0.01699
0.07151
0.11527
0.018700.03636● Measuring Points
Pulse Period 2sec

I Voltage

0.1V

pulse2

pulse11

pulse120us 5us2sec

0us 5us20sec

0us 5us22sec

pulse2

pulse11

pulse120us 5us2sec

0us 5us20sec

0us 5us
22sec

Pulse Width=5us

0us 5us0sec

Q Voltage

Pulse Period 2sec

Measuring Point=2.5us

pulse1

0.0V

Pulse Period 2sec x9

0.1V
Measuring Point=2.5us

0.0V

pulse1
Pulse Width=5us

0us 5us
0sec

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".

－4－