HMC708LP5 Просмотр технического описания (PDF) - Hittite Microwave
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HMC708LP5 Datasheet PDF : 12 Pages
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HMC708LP5 / 708LP5E
v03.0409
0.5 dB LSB 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 1700 - 2200 MHz
Pin Descriptions (Continued)
Pin Number
Function
Description
Interface Schematic
5
SEROUT
Serial input data delayed by 6 clock cycles.
6, 7
9 - 14
8
15
16
17
18
PUP1, PUP2
D0 - D5
Vdd1
P/S
CLK
SERIN
LE
See truth table, control voltage
table and timing diagram.
Supply voltage
See truth table, control voltage
table and timing diagram.
12
19, 23, 25,
26, 28
20
22
27
24
29
GND
RFOUT
RFIN3
RFIN2
RFOUT2
RFOUT1
These pins and package bottom
must be connected to RF/DC ground.
RF Output and DC BIAS for the second amplifier (AMP2).
See Application Circuit for off-chip components.
RF input for the second amplifier (AMP2).
This pin is DC coupled. An off-chip
DC blocking capacitor is required.
Input and output of the 6-bit digital attenuator (6-Bit DAT).
These pins are DC coupled and matched to 50 Ohms.
Blocking capacitors are required. Select value based
on lowest frequency of operation.
RF output for the first amplifier (AMP1)
This pin is matched to 50 Ohms.
31, 32
Vdd2, Vdd3
Power Supply Voltage for the first amplifier. External bypass
capacitors are required. See application circuit.
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
12 - 10
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