APPLICATION NOTE
SUBJECT: RD04HMS2 & RD70HUF2 two-stage amplifier at f=450-530MHz.(Vdd=12.5V)
Features:
- The evaluation board for RD04HMS2 & RD70HUF2 two-stage amplifier
- Frequency: 450-530MHz
- Vdd: 12.5V
- Input power: 0.2W
- Output power: 72-90W
Silicon RF Power Semiconductors
Document NO. AN-UHF-128
Date :18thAug. 2011
Prepared : S.Nakatsuka
S.Kametani
Confirmed :T.Okawa
(Taking charge of Silicon RF by
MIYOSHI Electronics)
- Quiescent Current: RD04HMS2 ; 0.1A, RD70HUF2 ; 1A
- Operating Current: 10-13A
- Surface-mounted RF power amplifier structure
PCB L=82.5mm W=60.0mm
Application Note for Silicon RF Power Semiconductors
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Contents
RD04HMS2 & RD70HUF2 two-stage amplifier at 450-530MHz. (Vdd=12.5V)
- AN-UHF-128 -
Page
1. Equivalent Circuitry ------------------------------------------------------------
2. Component List and Standard Deliverable -------------------------------------
3. PCB Layout -----------------------------------------------------------------------
4. Standard Land Pattern Dimensions -----------------------------------------
5. Typical RF Characteristics ---------------------------------------------------5-1. Frequency characteristics ------------------------------------------
5-2. Pout vs. Pin characteristics --------------------------------------------
5-3. Pout vs. Vdd characteristics ----------------------------------------5-4. Pout vs. Vgg characteristics --------------------------------------------------
10
10
12
15
17
3
4
6
9
Application Note for Silicon RF Power Semiconductors
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1. Equivalent Circuitry
RD04HMS2 & RD70HUF2 two-stage amplifier at 450-530MHz. (Vdd=12.5V)
- AN-UHF-128 -
ML2
W=2.0
C32
L5
ML2
Via
Via
7Via holes
Via
Via
Via
Via
Via
ML2
er=4.7 , TanD=0.018@1GHz
ML2
ML1
C21
ML1 ML1 ML2
Source
Electrode1
RD70HUF2
R6
C35
Via
1Via holes
W=4.6 W=3.6
ML1 ML1
W=5.0 W=4.4
R2
C15
Via
Via
Via
C39
ML1
W=4.7
W=4.7
W=2.0
R1
ML1
Board material : Glass Epoxy Substrate-
Micro Strip Line Substrate Thickness :
ML1,T=0.2mm,ML2,T=1.1mm
Via Hole Dimensions,Diameter=0.8mm Length=1.6mm
UNIT : W[mm]
C22
ML1 ML1
W=4.6 W=3.6
ML1 ML1
W=5.0 W=4.4
C16
Via
C6
ML2
C5
Source
Electrode2
R7
C36
Via
1Via holes
ML2
L3
ML2
C4
L2
C33
Gate Bias1
Gate Bias2
W=2.0 C1 L1
C3
ML2 ML2
ML2
RF-in
Application Note for Silicon RF Power Semiconductors
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RD04HMS2 & RD70HUF2 two-stage amplifier at 450-530MHz. (Vdd=12.5V)
Mitsubishi Electric Corporation
Mitsubishi Electric Corporation
2. Component List and Standard Deliverable
- Component List
- AN-UHF-128 -
Application Note for Silicon RF Power Semiconductors
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RD04HMS2 & RD70HUF2 two-stage amplifier at 450-530MHz. (Vdd=12.5V)
* Inductor of Rolling Coil measurement condition : f=100MHz
Shin-Etsu Chemical Co.,Ltd
Cu1Copper plate 2.8 x 1.8 x 0.4t (mm)
Evaluation Board assembled with all the component
- AN-UHF-128 -
- Standard Deliverable
TYPE1
TYPE2
Application Note for Silicon RF Power Semiconductors
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3. PCB Layout
TOP VIEW (Layer 1)
RD04HMS2 & RD70HUF2 two-stage amplifier at 450-530MHz. (Vdd=12.5V)
- AN-UHF-128 -
BOARD OUTLINE: 82.5*60.0(mm)
BOTTOM VIEW (Layer 6), Perspective through Top View
Application Note for Silicon RF Power Semiconductors
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