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參數資料
| 型號： | UTO-1044 |
| 英文描述： | RF Amplifier |
| 中文描述： | 射頻放大器 |
| 文件頁數： | 6/6頁 |
| 文件大?。?/td> | 67K |
| 代理商： | UTO-1044 |
.375 x .375 PLANARPAK SURFACE MOUNTED COMPONENTS
Case Drawings
PP-38
.010 R
(4) PLCS.
.035R
(4) PLCS
DETAIL "A"
"A"
.040
(4) PLCS
.010
(4) PLCS.
.015
.006
.004
.150 ± .010
.010 (4) PLCS
.040
.015 + .002
(4) PLCS
.030
(3) PLCS
.375 SQ.
CL
CL
.050 ± .010
(8) PLCS.
4
3
2
1
NOTE 5
TYPICAL WEIGHT 0.5 GRAMS
NOTES (UNLESS OTHERWISE SPECIFIED):
1. DIMENSIONS ARE SPECIFIED IN INCHES
2. TOLERANCES:
xxx
±
.005
3. LEADS ARE FOR TESTING ONLY AND MAY BE
TRIMMED FLUSH AT TIME OF INSTALLATION.
4. N/C = NOT CONNECTED
5. PIN 2 IS NOT AT GROUND POTENTIAL FOR
PP-38M. IT LOOKS THE SAME AS PINS 1, 3,
AND 4.
Recommended Assembly Procedure
1.
Chemically clean the PC board and the unit to be mounted using a vapor degreaser or
acetone followed by an isopropol alcohol wash. Do not use ultrasonic cleaning.
2.
Mask the backside of the PC board to prevent solder from reflowing through the plated
thru-holes causing a rough ground plane surface. A suggested masking material is 2 mil
thick Kapton film with silicone adhesive back (Permacel part #P-222).
3.
Apply solder cream (suggest Multicore SN62PRMAB3 or equivalent) using screen
printing techniques or careful hand application. A layer 4 to 6 mils thick is adequate.
4.
Reflow of the unit to the board may be done in many ways. Using a hot plate is one of the
most simple. During reflow, pressure (with a clamping arrangement) on the unit is
recommended, but not absolutely necessary. Absolute maximum reflow temperature is
260
°
C for not more than 10 seconds.
5.
Chemically reclean the unit using the procedures given in step one. Make sure that a flux
remover is used which is appropriate for the type of solder cream used (Multicore PC81
is the recommended flux remover for the above mentioned cream).
It should be noted that there are many alternatives for component attachment. This procedure
has been found to be simple and effective. For more detailed instructions on how to use
PlanarPak Products, please see the application note “
PlanarPak
Users Information”
Pub.5963-3232E.
For more information:
United States*
Europe*
Far East/Australasia: (65) 290-6305
Canada: (416) 206-4725
Japan: (81 3) 3331-6111
*Call your local HP sales office listed
in your telephone directory. Ask for a
Components representative.
Data Subject to Change
Copyright 1995 Hewlett-Packard Co.
Printed in U.S.A.
5963-2455E (10/94)
H
PIN DESIGNATION
CASE
1
2
3
4
PP-38
RF
IN
GROUND
RF
OUT
V
+
PP-38M
RF
LO
IF
N/C
PP-38F
RF
IN
GROUND
RF
OUT
GROUND
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