Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

I want to build a Mixer.. Hope the oscillator is built in

Status
Not open for further replies.
ahmad_abdulghany

ahmad_abdulghany

Advanced Member level 4
Joined
Apr 12, 2005
Messages
1,206
Helped
102
Reputation
206
Reaction score
22
Trophy points
1,318
Location
San Jose, California, USA
Activity points
11,769
Can anyone help me to build a discrete components Mixer to generate IF signal of about 10.7MHz from a 90MHz signal?

I think that i can build one with built in oscillator, can't I? How? please suggest some circuits..

Also, what are the parameters used to describe the performance or c/cs of a mixer?

Thanks in advance,
Ahmad,
 

Re: I want to build a Mixer.. Hope the oscillator is built i

most important performance parameters are

• Conversion Gain,
• Noise,
• 1dB Compression Point (P1dB),
• Input 3rd Order Intermodulation Point (IIP3)
• Output 3rd Order Intermodulation Point (OIP3)

look at atached file, talks about RF metrics hope helps you.
 
Re: I want to build a Mixer.. Hope the oscillator is built i

I like to use the SA602 - it's a double-balanced mixer with all the fixin's for a local crystal oscillator up to 200MHz.
 
hye, do u have a schematic diagram for the circuit? I'm really appreciate that.tq
 

Re: I want to build a Mixer.. Hope the oscillator is built i

Or, if you need a really simple system use a local oscillator in conjunction with a single mixer diode. Low performance but it may be acceptable in your application.
 

Re: I want to build a Mixer.. Hope the oscillator is built i

You could create simple lumped element baluns for the RF/LO. Use a SOT-143 crossover diode quad. Then tap off the the IF with a simple low-pass L/C network.
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top