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參數資料
| 型號： | MPSH11D27Z |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 小信號晶體管 |
| 英文描述： | VHF BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR, TO-92 |
| 文件頁數： | 15/16頁 |
| 文件大小： | 762K |
| 代理商： | MPSH11D27Z |
3
Test Circuits (continued)
1000 pF
0.002
F
4.0-30 pF
1000 pF
V
CC
= 12 V
2.2 K
1/2 W
R.F. Beads
50
Input
50
Output
V
AGC
390
1/2 W
2K
T1
270
1/2 W
T1 - Q3 Toroid 4:1 ratio
8 turns Pri. 2 turns Sec.
} No.22wire
FIGURE 2: 45 MHz Power Gain Circuit
200 mHz Output into
50
RF
in
LO
in
2.0 pF
300 pF
1000 pF
L
1
47 K
245 mHz
Input into
50
V
CE
V
BB
T
1
1.1 pF
20pF
1000 pF
45 mHz Output
into 50
V
CE
= 15 V
FIGURE 3: 200 MHz Conversion Gain Test Circuit
L1 - Ohmite RFC Z235
T1 - Primary 5 turns No. 34 wire 1/4 inch
diameter. Secondary runs No. 34 wire close
wound over a Q100 core (10.7 mHz). When
terminated on secondary side with 50
primary
measures 1.5 K, -25 pF.
MPSH1
1
/
MMBTH1
1
NPN RF Transistor
(continued)
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