13
mmbr571lt1 mrf571 mrf5711lt1
motorola rf 设备 数据
图示 33. mrf571 测试 电路 图式
R1
FB
c1, c4, c5, c6, c8, c9 — 100 pf 碎片 电容
c2, c3 — 0.8 – 8.0 pf johanson 电容
c7, c10 — 10
µ
f tantalum 电容
r1 — 1.0 kohms res.
rfc — vk–200, ferroxcube
fb — ferrite bead, ferroxcube 56–590–65/3b
板 材料 — 0.0625
″
glass teflon,
ε
r
= 2.55
tl1, tl7, tl8 — microstrip 0.162
″
x 0.600
″
tl2 — microstrip 0.162
″
x 1.060
″
tl3 — microstrip 0.162
″
x 0.700
″
tl4, tl5 — microstrip 0.162
″
x 0.440
″
tl6 — microstrip 0.162
″
x 1.140
″
tl8, tl9 — microstrip 0.020
″
x 2.130
″
RFC RFC
V
BB
V
CC
C7 C8 C9 C10
FB
C6C5
TL9
TL10
TL1
C
1
TL2 TL3
TL4 TL5 TL6 TL7
C
4
TL8
RF
输入
RF
输出
d.u.t.
C2 C3