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Product features

Narrowband, high power.

Main specifications

Parameters	Min	Typical	Max	Units	Note
Frequency	70	~	110	MHz
Gain	38	39		dB	Saturated gain
Input VSWR			1.8
Output power	49	50		dBm	CW
Efficiency	35			%
Harmonic Rejection	40			dBc
Spurious suppression	60			dBc	@F0±300kHz
ACP		70		dBc

Other parameters

Input connector	BNC-K
Output port	N -K
Output port	BNC-K, RF detection, coupling 40dB
Impedance	50Ω
Surface	Conductive oxidation
Working voltage	+50±2V
Working current	8A
Bias voltage	+12V
Bias current	0.7A
Operation Temp.	0~+40℃ Design assurance
Other	Suitable for saturated state operation, with non-linear gain

Typical test data

Working frequency (MHz)	65	70	80	90	100	110	115
VSWR（IN）	1.42	1.67	1.08	1.09	1.15	1.64	1.76
Pout（SAT）（dBm）	49.48	50.79	52.19	50.95	49.56	50.14	48.29
Pout（SAT）（W）	88.7	119.95	165.56	124.45	90.36	103.28	67.45
Gain（SAT）（dB）	38.9	39.02	39.05	39.09	39.16	39.15	39.17
Ids（A）	6.14	6.76	5.84	4.45	4.96	4.2	3.94
η(%)	28.9	35.49	56.7	55.93	36.44	49.18	34.24
2次谐波抑制（dBC）	29.16	43.3	49.46	60	70.7	80	81
3次谐波抑制（dBC）	70	79	82.6	80	80	80	80
杂波抑制（dBC）	62	64	62	62	68	65	68
ACP（dBc）	71.2	70.2	70.4	71.8	70.7	74	75

Reference picture

Outline structure diagram

Typical test curve

Interface Definition (2.54-10P)

No.	1	2	3	4	5	6	7	8	9	10
definition	NC	NC	Current sampling	Voltage sampling	Reflection sampling	Incident reaction	NC	+12V	NC	GND
Direction	/	/	O	O	O	O	/	IN	/	I

Note

Please pay attention to the power consumption of the product and consider the issue of amplifier heat dissipation during design;

输出不能空载；

Power amplifier DPA8-87-108-3963