K-Band VCO
CHV2412-QDG
QFN Pin-out description
Pin number
Pin name
Symbol
Description
15,17
GND
P
Ground
2
4
IF_out
IF output at 1.5GHz
VT
V_Tune
Frequency Tuning Port
VB, V1, VB1,
VB2, V2, VD
5, 11, 13, 20, 21, 23
+V
Positive supply voltage
Positive supply voltage of 12GHz
prescaler’s buffer
5
VB
Positive supply voltage of the VCO core
11,21
V1,V2
+1st stage of the 24GHZ buffers
Positive supply voltage of the 2nd & 3rd
stages of the 24GHZ buffers
13
16
VB1
RF
RF_out
RF output at 24GHz
1, 3, 6, 7, 8, 9, 10, 12,
14, 18, 19, 22, 24
Nc
Not connected
External Components and bias configuration (recommended)
Important: Need for a capacitor on the prescaler output port as a DC block (C2).
Ref. : DSCHV2412-QDG4120 - 30 Apr 14
9/11
Specifications subject to change without notice
Bât. Charmille - Parc SILIC - 10, Avenue du Québec - 91140 VILLEBON-SUR-YVETTE - France
Tel.: +33 (0) 1 69 86 32 00 - Fax: +33 (0) 1 69 86 34 34
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
