The AD8343 is a high-performance broadband active mixer. With wide bandwidth on all ports and very low intermodulation distortion, the AD8343 is well suited for demanding transmit applications or receive channel applications.

The AD8343 provides a typical conversion gain of 7 dB. The integrated LO driver supports a 50 Ω differential input impedance with low LO drive level, helping to minimize external component count.

The open-emitter differential inputs can be interfaced directly to a differential filter or driven through a balun (transformer) to provide a balanced drive from a single-ended source.

The open-collector differential outputs can be used to drive a differential IF signal interface or convert to a single-ended signal through the use of a matching network or transformer. When centered on the VPOS supply voltage, the outputs swing ±1 V.

The LO driver circuitry typically consumes 15 mA of current. Two external resistors are used to set the mixer core current for required performance, resulting in a total current of 20 mA to 60 mA. This corresponds to power consumption of 100 mW to 300 mW with a single 5 V supply.

The AD8343 is fabricated on Analog Devices, Inc.’s high-performance 25 GHz silicon bipolar IC process. The AD8343 is available in a 14-lead TSSOP package. It operates over a −40°C to +85°C temperature range. A device-populated evaluation board is available.

Applications

Cellular base stations

Wireless LAN

Satellite converters

SONET/SDH radio

Radio links

RF instrumentation

Part#	RF Frequency (MHZ)	IF Frequency (MHz)	LO Frequency (MHz)	LO Drive (dBm)	Conversion Gain (dB)	IP3 (dBm)	P1dB (dBm)	NF (dB)	Pos Supply	Supply Current (max)	Price* (1000-4999)
AD831	400	200	400	0	0	24	10	14	+9V to +11V	100	$6.83
AD8342	LF to 2400	LF to 2400	LF to 2400	0	3	24	8.5	12	+4.75V to +5.25V	97	$3.59
AD8343	dc to 2500	dc to 2500	dc to 2500	-10	7	16.5	2.8	14	+4.5V to +5.5V	50	$3.67
AD8344	400 to 1200	70 to 400	470 to 1600	0	4.5	24	8.5	10	+4.75V to +5.25V	84	$3.59
ADL5350	LF to 4000	LF to 4000	LF to 4000	+4	-	25	19	6.5	+2.7V to +3.5V	19	$2.39
ADL5390	20 to 2400	230	20 to 2400	-	3.5	25	13	21	+4.75V to +5.25V	130	$7.59
ADL5391	dc to 2000	-	-	-	1	14	13.2	-	+4.5V to +5.5V	135	$4.95

* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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• 军用温度范围：－55ºC ～＋125ºC
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