LNA output to Mixer Matching

[ssk_288]

Hi,

Do we need to match the LNA output impedence to the input of the mixer? (I am using a multiplying type mixer. The output of the LNA feeds the gate of mixer transistor.)

 

[khouly]

if ur talking about integrated LNA and mixer , u donot need matching if the length between them short enough
chech this link
**broken link removed**
slid 21 show what i say

but if ur talking about board level u need matching

wish this help

khouly