MB1 mixers

Millitech series MB1 mixers are DC biased to operate with low local oscillator power levels on the order of +3 dBm. These are balanced mixers with low conversion loss over broad RF and LO bandwidths and an IF range which extends up to 18 GHz.

Electrical Specifications

Model		MB1-12	MB1-10
Frequency band and range (GHz)		E 60-90	W 75-110
Conversion loss (dB) (max) (Note 1) (without IF preamplifier)	0.1- 10 GHz IF	9.0	11.0
Noise Figure (dB) (DSB max) (Note 1) (with IF preamplifier)	100-500 MHz IF	9.0	10.0
	100-1000 MHz IF	9.5	10.5
	1-2 GHz IF	10.0	11.0
	2-4 GHz IF	10.0	11.0
	1-12 GHz IF	11.0	12.0
	1-18 GHz IF	11.0	12.0
RF Frequency		Full Waveguide
RF Bandwidth		Full Waveguide
RF Input Return Loss (typ)		6 dB	6 dB
LO Frequency		Full Waveguide
LO bandwidth (GHz) (min)	IF up to 2 GHz	Full waveguide
	IF up to 5 GHz	10% of LO center frequency
Low drive power (biased) (dBm) (Note 2)		3	3
LO to IF Isolation (dB) (typ)		20	20
LO to RF Isolation (dB) (typ)		20	20
RF to IF Gain (dB) (with IF preamplifier) (min)		20	20
IF Preamp Noise Figure (dB) (typ)		1.5	1.5
RF and LO Combined Input Power (dBm) (max)		17	17
IF Output Impedance (ohm) (nom)		50	50
DC Input Voltage (V) (IF Amp) (typ)		12 - 15	12 - 15
DC Input Current (mA) (IF Amp) (typ)		200	200
DC Bias Voltage (V) (LO) (typ)		15	15
Operating Temperature (oC) (specs apply at 25oC)		0 to 50	0 to 50

1) Tested with +1 dBm LO drive. Tested at a fixed LO frequency. 
2) An isolator is recommended at local oscillator input for optimum performance.