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HMC684LP4 Datasheet, PDF (6/8 Pages) Hittite Microwave Corporation – BiCMOS MMIC MIXER W/ INTEGRATED BiCMOS MMIC MIXER W/ INTEGRATED
v01.0408
HMC684LP4 / 684LP4E
BiCMOS MMIC MIXER W/ INTEGRATED
LO AMPLIFIER, 700 - 1000 MHz
Pin Descriptions
Pin Number
1, 6, 7, 11 - 14,
18, 20, 23
Function
N/C
2, 5, 15, 17
GND
3
RF
4
TAP
Description
No connection. These pins may be connected to RF
ground. Performance will not be affected.
Package bottom must be
connected to RF/DC ground.
This pin is matched single-ended 50 ohm and DC
shorted to ground through a balun.
Center tap of secondary side of the internal RF balun.
Short to ground with a zero ohm close to the package.
Interface Schematic
8
8, 10, 24
Vcc1, Vcc2,
Vcc3
Power supply voltage. See application circuit
for required external components.
Adjust the LO buffer current through an external
9
LO_BIAS
resistor. See application circuit for required external
components.
16
LO
This pin is matched single-ended 50 ohm and DC
shorted to ground through a balun.
19
G_BIAS
External optional bias. See application circuit
for required external components.
21, 22
IFN, IFP
Differential IF input / output pins matched to differential
50 ohms. For applications not requiring operation to DC
an off chip DC blocking capacitor should be used.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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