參數(shù)資料
型號(hào)： AP603-PCB2140
英文描述： High Dynamic Range 7W 28V HBT Amplifier
中文描述： 高動(dòng)態(tài)范圍7瓦28V的異質(zhì)結(jié)雙極晶體管放大器
文件頁(yè)數(shù)： 4/14頁(yè)
文件大?。?/td> 1182K
代理商： AP603-PCB2140
Specifications and information are subject to change without notice
WJ Communications, Inc
Phone 1-800-WJ1-4401
FAX: 408-577-6621
e-mail: sales@wj.com
Web site: www.wj.com
Page 4 of 14 May 2007 ver 1
AP603
High Dynamic Range 7W 28V HBT Amplifier
869-894 MHz Reference Design
Typical WCDMA Performance at 25
°
C
at a channel power of +30 dBm
Frequency
W-CDMA Channel Power
Power Gain
Input Return Loss
Output Return Loss
ACLR
IMD3 @ +30 dBm PEP
Operating Current, Icc
Collector Efficiency
Output P1dB
Quiescent Current, Icq
Vpd, Vbias
Vcc
880 MHz
+30 dBm
18 dB
11 dB
7.5 dB
-52 dBc
-52 dBc
220 mA
16.5 %
+38.5 dBm
160 mA
+5 V
+28 V
Notes:
1. The primary RF microstrip line is 50
Ω
.
2. Components shown on the silkscreen but not on the schematic are not used.
3. The center of L24 is placed at 0.090” (3.5
°
@ 880 MHz) from the center of C5.
4. The center of C28 is placed at 0.220” (8.4
°
@ 880 MHz) from the edge of the AP603 (U1).
5. The center of L4 is placed at 0.200” (7.7
°
@ 880 MHz) from the edge of the AP603 (U1).
6. The center of C31 is placed at 0.360” (13.8
°
@ 880 MHz) from the center of L4.
7. The bold-faced RF trace is for the DC bias feed. The stub’s length is approximately a
λ
.
8. The main RF trace is cut at component C28 and L4 for this particular reference design.
869-894 MHz Application Circuit Performance Plots
W-CDMA 3GPP Test Model 1+64 DPCH, 60% clipping, PAR = 8.6 dB @ 0.01% Probability, 3.84 MHz BW
Gain vs. Output Power vs. Frequency
CW tone, Vcc = 28V, Icq = 160 mA, 25
C
14
15
16
17
18
19
30
32
34
36
38
40
Output Power (dBm)
G
869 MHz
880 MHz
894 MHz
S11, S22 vs. Frequency
Vcc = 28V, Icq = 160 mA, 25
C
-25
-20
-15
-10
-5
0
0.75
0.8
0.85
0.9
0.95
Frequency (GHz)
S
S11
S22
Efficiency vs. Output Power vs. Frequency
CW tone, Vcc = 28V, Icq = 160 mA, 25
C
0
10
20
30
40
50
60
14
18
22
26
30
34
38
Output Power (dBm)
C
869 MHz
880 MHz
894 MHz
ACLR1 vs. Output Power vs. Frequency
WCDMA, Vcc = 28V, Icq = 160 mA, 25
C
-65
-60
-55
-50
-45
-40
22
24
26
28
30
32
Average Output Power (dBm)
A
869 MHz
880 MHz
894 MHz
IMD vs. Output Power
CW 2-tone signal, 880 MHz,
f = 1 MHz, 28V, 160 mA Icq, 25
C
-75
-70
-65
-60
-55
-50
26
28
30
32
34
36
Output Power, PEP (dBm)
I
IMD3L
IMD3U
IMD5
Efficiency vs. Output Power vs. Frequency
WCDMA, Vcc = 28V, Icq = 160 mA, 25
C
0
5
10
15
20
25
22
24
26
28
30
32
Average Output Power (dBm)
C
869 MHz
880 MHz
894 MHz
Unconditionally stable circuit version of this application circuit is available for download off of the website at: http://www.wj.com
L24
2.2 nH
See note 3
6.8 nH
See note 5
C31
3.3 pF
See note 6
V
B
V
P
G
V
C
C28
6.8 pF
See note 4
C7
1000pF
L24 C28
L4
C31
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