Data Sheet HMC903-Die
Rev. A | Page 5 of 13
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
HMC903-Die
1RFIN
V
DD
1V
DD
2
RFOUT
V
GG
2V
GG
1
2
3
4
5
6
14481-002
Figure 2. Pin Configuration
Table 3. Pin Function Descriptions
Pin No. Mnemonic Description
1 RFIN Radio Frequency Input. This pad is matched to 50 Ω. See Figure 3 for the interface schematic.
2, 3 V
DD
1, V
DD
2
Power Supply Voltages. Power supply voltage for the amplifier. See Figure 24 and Figure 25 for required
external components. See Figure 4 for the interface schematic.
4 RFOUT Radio Frequency Output. This pad is matched to 50 Ω. See Figure 5 for the interface schematic.
5, 6 V
GG
2, V
GG
1
Gate Control Voltages. Optional gate control for amplifier. When left open, the amplifier is self biased.
Applying a negative voltage reduces the current. See Figure 6 for the interface schematic.
Die Bottom GND Ground. Die bottom must be connected to RF/dc ground. See Figure 7 for the interface schematic.
INTERFACE SCHEMATICS
RFIN
14481-003
ESD
Figure 3. RFIN Interface Schematic
V
DD
1, V
DD
2
14481-004
Figure 4. V
DD
1, V
DD
2 Interface Schematic
RFOUT
14481-005
ESD
Figure 5. RFOUT Interface Schematic
GG
1, V
GG
2
14481-006
Figure 6. V
GG
1, V
GG
2 Interface Schematic
GND
14481-007
Figure 7. GND Interface Schematic
