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Mixer

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Transistor Application Selection Guide
Active Mixer

		RF to 900 MHz	RF to 2.5 GHz	RF to 6 GHz	RF to 18 GHz
	HBFP-0420	gen. pur. 3V	gen. pur. 3V	gen. pur. 3V
	HBFP-0450	gen. pur. 3V	gen. pur. 3V	gen. pur. 3V
	AT-320xx	gen. pur. 3V	gen. pur. 3V
	AT-310xx	gen. pur. 3V	gen. pur. 3V
	AT-415xx	gen. pur. 3-8V	gen. pur. 3-8V
	AT-420xx	high IP 3-8V	high IP 3-8V
	HBFP-0405	low current 3V	low current 3V	low current 3V
	AT-305xx	low current 3V	low current 3V

	ATF-10xxx		gen. pur. GaAs	gen. pur. GaAs
	ATF-13xxx		gen. pur. GaAs	gen. pur. GaAs	gen. pur. GaAs
	ATF-21xxx		pwr GaAs	pwr. GaAs
	ATF-26xxx		high V_br	high V_br
	ATF-33xxx	PHEMT	PHEMT	PHEMT
	ATF-34xxx	PHEMT	PHEMT	PHEMT
	ATF-35xxx	PHEMT	PHEMT	PHEMT
	ATF-38xxx	PHEMT	PHEMT	PHEMT
	ATF-36xxx				PHEMT
Alternatives:		1. Integrated Circuit Mixers 2. Discrete Schottky Diodes
	markets	Cellular & Cordless 900 MHz ISM LAN/modem RF Tag & reader Mobile Radio (SMR) CATV pagers / messaging	GPS (1.5 GHz) PCN (1.8 GHz) USPCS (1.9 GHz) MMDS (2 GHz) 2.4 GHz ISM LAN/modem RF Tag & reader	TVRO (4 GHz) WLL (4 GHz) 5.8 GHz ISM LAN/modem RF Tag & reader	DBS / DSS (12 GHz) VSAT (12 GHz)

Function:
down converter
up converter shifts frequency of operation.
A junction of a BJT or FET can be used to produce a "single diode" unbalanced mixer for frequency conversion, typically with higher gain and lower NF than provided by passive diodes.

Operation: Bias at turn-on input matched to S₁₁^* output matched to S₂₂^*

Key Parameters NF: 2 to 20 dB

and ranges: Conversion Gain: 0 to 15 dB

I IP3: -20 to +10 dBm

this page last updated: 20 October 1999