AKF-1938 - Akoustis Technologies

AKF-1938 3.83GHz Bandpass BAW Filter

Akoustis’ AKF-1938 is a high performance, ultra-small passband BAW Filter targeting 5G infrastructure, radar and general-purpose applications. AKF-1938 utilizes Akoustis’ XBAW technology which provides leading RF filter performance. This BAW filter provides 100 MHz bandwidth, low insertion loss at 3.8GHz and high out of band attenuation. AKF-1938 is assembled in hermetic sealed package and is compatible with high volume, lead-free SMT soldering processes.

Features

Ultra small form factor 2.5mm x 2.0mm x 0.8mm
Single ended 50 Ohm Ant, Tx/Rx ports
High out of band attenuation
High power handling, maximum +27dBm
Low insertion loss 100 MHz passband filter
Performance -40 C to +85C
Hermetically sealed

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Parameters

Parameter	Conditions	Units	Min.	Typ.	Max.
Center Frequency (Fc)		MHz		3830
Pass Bandwidth		MHz	90	100
Insertion Loss	3780 – 3880 MHz	dB		1.8⁽¹⁾	3
Amplitude Variation⁽²⁾	3780 – 3880 MHz	dB		1.0	1.5
Attenuation	0 – 2880 MHz	dB	40	42
	2880 – 3720 MHz	dB	45	50
	3960 – 4000 MHz	dB	45	50
	4000 – 4800 MHz	dB	45	50
	4800 – 7640 MHz	dB	40	45
	7640 – 9500 MHz	dB	40	45
Return Loss	3780 – 3880 MHz	dB	11	16⁽¹⁾
Load Impedance		Ω		50
Power Handling	5G NR, 100 MHz, PAR 7.8dB	dBm			27
2^nd Harmonic	Po=28dBm (25°C)	dBm/MHz		-38