參數(shù)資料
型號(hào)： BLY89
廠商： NXP Semiconductors N.V.
英文描述： VHF power transistor
中文描述： 甚高頻功率晶體管
文件頁(yè)數(shù)： 6/11頁(yè)
文件大小： 68K
代理商： BLY89
August 1986
6
Philips Semiconductors
Product specification
VHF power transistor
BLY89C
APPLICATION INFORMATION
R.F. performance in c.w. operation
(unneutralized common-emitter class-B circuit)
T
h
= 25
°
C
List of components:
f (MHz)
V
CC
(V)
13,5
12,5
P
L
(W)
25
25
P
S
(W)
<
6,25
G
p
(dB)
>
typ 6,6
I
C
(A)
<
2,64
η
(%)
70
typ 75
z
i
(
)
1,6
+
j1,4
Y
L
(mS)
210
+
j5,5
175
175
6
>
C1 = 2,5 to 20 pF film dielectric trimmer (cat. no. 2222 809 07004)
C2 = C8 = 4 to 40 pF film dielectric trimmer (cat. no. 2222 809 07008)
C3a = C3b = 47 pF ceramic capacitor (500 V)
C4 = 120 pF ceramic capacitor
C5 = 100 nF polyester capacitor
C6a = C6b = 8,2 pF ceramic capacitor (500 V)
C7 = 5 to 60 pF film dielectric trimmer (cat. no. 2222 809 07011)
L1 = 1 turn enamelled Cu wire (1,6 mm); int. dia. 9,0 mm; leads 2
×
5 mm
L2 = 100 nH; 7 turns closely wound enamelled Cu wire (0,5 mm); int. dia. 3 mm; leads 2
×
5 mm
L3 = L8 = Ferroxcube choke coil (cat. no. 4312 020 36640)
L4 = L5 = strip (12 mm
×
6 mm); taps for C3a and C3b at 5 mm from transistor
L6 = 2 turns enamelled Cu wire (1,6 mm); int. dia. 5,0 mm; length 6,0 mm; leads 2
×
5 mm
L7 = 2 turns enamelled Cu wire (1,6 mm); int. dia. 4,5 mm; length 6,0 mm; leads 2
×
5 mm
L4 and L5 are strips on a double Cu-clad printed-circuit board with epoxy fibre-glass dielectric, thickness 1/16".
R1 = 10
(
±
10%) carbon resistor
R2 = 4,7
(
±
5%) carbon resistor
handbook, full pagewidth
C7
50
50
MGP604
C1
C2
C3b
C3a
C6a
C4
C5
R2
L3
C6b
C8
L1
L2
L4
R1
L5
L7
T.U.T.
L6
L8
+
VCC
Fig.7 Test circuit for 175 MHz.
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