HMC683LP6C Datasheet, PDF (7/10 Pages) Hittite Microwave Corporation – HIGH IP3 DUAL CHANNEL DOWNCONVERTER w/ LO SWITCH, 0.7 - 1.0 GHz

HMC683LP6C / 683LP6CE
v02.0808
HIGH IP3 DUAL CHANNEL
DOWNCONVERTER w/ LO SWITCH, 0.7 - 1.0 GHz
9
Pin Descriptions
Pin Number
Function
1, 10
RF1, RF2
2, 9
3, 5, 8, 15,
16, 22, 23,
26 - 29, 35, 36
TAP1, TAP2
GND
Description
These are the RF inputs of the mixers. See
application circuit for the off-chip matching
components
These are the center taps of the internal RF baluns.
Connect these pins to the AC ground via external
capacitors. See application circuit.
These pins must be connected to RF ground.
4, 7
BIAS1, BIAS2
Bias pins for mixer cores. See
application circuit for the nominal value.
Interface Schematic
6, 17, 18,
24, 33, 34
Vcc1, Vcc_BAL2,
Vcc_AMP2,
Vcc2, Vcc_AMP1,
Vcc_BAL1
Power supply voltage pins. See application
circuit for bypass capacitors required.
11, 20, 31, 40
12, 39
N/C
IND1, IND2
No Connection required. These pins may be
connected to RF GND without affecting performance.
Current source inductors for IF amplifiers.
13, 14,
38, 37
IF2P, IF2N,
IF1P, IF1N
Differential IF outputs and DC bias for IF amplifiers.
19, 32
BIAS_ADJ1,
BIAS_ADJ2
Adjusts LO buffer amplifies current via
external resistor. See application circuit.
21, 30
LO2, LO1
These are LO inputs of the mixers. See application
circuit for off-chip matching components.
Control voltage for LO1 or LO2 selection. LO1 is
25
LO_SEL
selected when LO SEL is set low. LO2 is selected
when LO SEL is set high. See application circuit and
truth table for low and high voltage levels.
9-7
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