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MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Order this document by MRF5811LT1/D

The RF Line
NPN Silicon		MRF5811LT1
High-Frequency	Transistor
High-Frequency	Transistor

Designed for high current, low power amplifiers up to 1.0 GHz.

•Low Noise (2.0 dB @ 500 MHz)

•Low Intermodulation Distortion

•High Gain

•State±of±the±Art Technology Fine Line Geometry Arsenic Emitters

Gold Top Metallization

Nichrome Thin±Film Ballasting Resistors

•Excellent Dynamic Range

•Fully Characterized

•High Current±Gain Bandwidth Product

•Available in Tape and Reel by Adding T1 Suffix to Part Number. T1 Suffix = 3,000 Units per 8 mm, 7 inch Reel.

MAXIMUM RATINGS

IC = 200 mA LOW NOISE HIGH±FREQUENCY TRANSISTOR NPN SILICON

CASE 318A±05, STYLE 1

Rating	Symbol	Value	Unit

Collector±Emitter Voltage	VCEO	18	Vdc
Collector±Base Voltage	VCBO	36	Vdc
Emitter±Base Voltage	VEBO	2.5	Vdc
Collector Current Ð Continuous	IC	200	mAdc
Thermal Resistance θJC (1)	RθJC	106	°C/W
Total Device Dissipation @ TC = 75°C	PD	0.71	Watts
Derate above TC = 75°C		9.4	mW/°C
Storage Junction Temperature Range	Tstg	± 55 to +150	°C
Maximum Junction Temperature	TJmax	150	°C

DEVICE MARKING

MRF5811L = 20

NOTES:

1. Case temperature measured on collector lead immediately adjacent to body of package.

REV 1

Motorola, Inc. 1995

	Characteristic	Symbol	Min	Typ	Max	Unit

OFF CHARACTERISTICS

Collector±Emitter Breakdown Voltage		V(BR)CEO	18	Ð	Ð	Vdc
(IC = 5.0 mAdc, IB = 0)
Collector±Base Breakdown Voltage		V(BR)CBO	36	Ð	Ð	Vdc
(IC = 1.0 mAdc, IE = 0)
Emitter±Base Breakdown Voltage		V(BR)EBO	2.5	Ð	Ð	Vdc
(IE = 0.1 mAdc, IC = 0)
Emitter Cutoff Current		IEBO	Ð	Ð	100	μAdc
(VEB = 2.0 Vdc, VBE = 0)
Collector Cutoff Current		ICBO	Ð	Ð	100	μAdc
(VCB = 15 Vdc, IE = 0)
ON CHARACTERISTICS

DC Current Gain (1)		hFE	50	Ð	200	Ð
(IC = 50 mAdc, VCE = 5.0 Vdc)
DYNAMIC CHARACTERISTICS

Collector±Base Capacitance		Cob	Ð	2.0	Ð	pF
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)
Collector±Base Capacitance		Ccb	Ð	1.2	2.0	pF
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)
Current±Gain Bandwidth Product (2)		fT	Ð	5.0	Ð	GHz
(IC = 75 mAdc, VCE = 10 Vdc, f = 1.0 GHz)
FUNCTIONAL TESTS

Noise Figure (Minimum), Figure 3		NFmin	Ð	2.0	3.0	dB
(IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz)
Noise Figure (50 Ohm Insertion)		NF50 Ω	Ð	2.5	Ð	dB
(IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz)
Power Gain at Optimum Noise Figure, Figure 3		GNF	Ð	18.4	Ð	dB
(IC = 50 mAdc, VCE = 10 Vdc, f = 500 MHz)
Insertion Gain		\|S \|2	Ð	14.2	Ð	dB
(IC = 50 mAdc, VCE = 6.0 Vdc, f = 500 MHz)		21
(IC = 50 mAdc, VCE = 6.0 Vdc, f = 500 MHz)
Maximum Unilateral Gain (2)		GU max	Ð	18	Ð	dB
(IC = 50 mAdc, VCE = 6.0 Vdc, f = 500 MHz)
NOTES:
1. 300 μs pulse on Tektronix 576 or equivalent.
\|S	\|2
21
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted)

2. GUmax = (1 ±|S11|2)(1 ±|S22|2)

MRF5811LT1	MOTOROLA RF DEVICE DATA
2

TYPICAL CHARACTERISTICS

	12
	10
(pF)	8
C, CAPACITANCE	8
	6	Cib
	4
	2		f = 1 MHz
			f = 1 MHz
	0
	1	2	3
	VEB, EMITTER±BASE VOLTAGE (VOLTS)

Figure 1. Cib Input Capacitance versus Voltage

	5
(pF)	4
(pF)
C, CAPACITANCE	3
	2				Cob
	2
					Ccb
					Ccb
	1
					f = 1 MHz
	0
	0	2	4	6	8	10
			Vcb, COLLECTOR±BASE (VOLTS)

Figure 2. Ccb, Cob Collector±Base

Capacitance versus Voltage

VBE

RF INPUT

*HP11590B BIAS *NETWORK

DUT

*BIAS	**SLUG TUNER
TEE

**MICROLAB/FXR **SF±11N FOR f < 1 GHz **SF±31N FOR f > 1 GHz

***

**SLUG TUNER	*BIAS
	TEE

VCE = 10 Vdc

RF OUTPUT

***HP11608A TRANSISTOR FIXTURE

Figure 3. MRF5811L Functional Circuit Schematic

	8
(GHz)	4					(dB)GAIN,
PRODUCT	4					(dB)GAIN,
GAIN±BANDWIDTH	6
GAIN±BANDWIDTH						G
					VCE = 6 Vdc	U(max)
	2				VCE = 6 Vdc
	2				f = 1 GHz
					f = 1 GHz
,
T
f
	0
	0	20	40	60	80	100

20 GU(max)

14 |S21|2

12
10						VCE = 6 Vdc
8						IC = 50 mA
8
6
0
0.2	0.3	0.5	1	2	3	5	10

IC, COLLECTOR CURRENT (mA)	f, FREQUENCY (GHz)
Figure 4. Gain±Bandwidth Product versus	Figure 5. GU(max) Maximum Unilateral Gain,
Collector Current	\|S \|2 versus Frequency
	21

MOTOROLA RF DEVICE DATA

MRF5811LT1

	26										(dB)	26
	24								MSG		(dB)	24
	22								MAG		FIGURE	22
	22								MAG			22
	20											20
MAGMSG,(dB)	18										NOISEMINIMUM	18
MAGMSG,(dB)	16										NOISEMINIMUM	16					GNF
	14											14
	12											12
	10											10
	8					V			= 6 Vdc		@	8						VCE = 6 Vdc
	4					V			= 6 Vdc		GAIN,	4						VCE = 6 Vdc
	6											6
	2						CE				NF	2			NFmin			IC = 50 mA
	2					I		= 50 mA			NF	2			NFmin			IC = 50 mA
	0					C					G	0
	0											0
	0.1	0.2	0.3	0.5	0.7	1			2	3		0.1	0.2	0.3	0.5	0.7	1	2
			f, FREQUENCY (GHz)												f, FREQUENCY (GHz)

Figure 6. MSG Ð Maximum Stable Gain,	Figure 7. Minimum Noise Figure and Gain @
MAG Ð Maximum Available Gain versus Frequency	Minimum Noise Figure versus Frequency

		NOISE FIGURE (dB)
	4	MINIMUM,
	4
	3	min
	2	min
	2	NF
	1	NF
	1

	3

(dB)	20
(dB)	18
, GAIN @ MINIMUM NOISE FIGURE	18				GNF
	16				GNF
	16
	14											NF, NOISE FIGURE (dB)
	12										3
	10										2.5
	8					NF					2
						NF					1.5
								VCE = 6 Vdc			1.5
								VCE = 6 Vdc			1
								f = 500 MHz
NF								ΓS = ΓOPTIMUM
G								ΓS = ΓOPTIMUM
	0	10	20	30	40	50	60	70	80	90	100
				IC, COLLECTOR CURRENT (mA)

Figure 8. Noise Figure and Gain @ Minimum

Noise Figure versus Collector Current

VCE (Vdc)	IC (mA)	f (MHz)	NFmin (dB)	\|Gam Opt\|	< Gam Opt	Rn
6.0	10	500	1.64	0.49	±164	3.5
		1000	2.81	0.68	±173	3.5

	50	500	2.0	0.51	±177	3.9
		1000	2.85	0.61	±168	4.7

Table 1. Common Emitter Noise Parameters

MRF5811LT1	MOTOROLA RF DEVICE DATA
4

VCE	IC	f		S	11		S	21		S	12		S22
(Volts)	(mA)	(GHz)	\|S11\|		6 φ	\|S21\|		6 φ	\|S12\|		6 φ	\|S22\|		6 φ
3.0	25	0.10	0.734		± 132	17.54		115	0.045		37	0.544		±89
		0.20	0.765		± 157	9.66		99	0.051		30	0.395		±120
		0.30	0.771		± 168	6.59		90	0.056		32	0.354		±135
		0.40	0.773		± 174	4.98		84	0.060		34	0.340		±143
		0.50	0.768		± 180	4.01		81	0.065		38	0.319		±150
		0.60	0.768		176	3.36		76	0.070		41	0.319		±153
		0.70	0.769		173	2.89		73	0.076		43	0.321		±155
		0.80	0.771		170	2.55		69	0.081		44	0.325		±157
		0.90	0.770		167	2.27		65	0.088		46	0.329		±158
		1.00	0.771		165	2.06		62	0.094		47	0.335		±159
		1.50	0.773		152	1.41		47	0.127		49	0.367		±163
		2.00	0.777		140	1.08		33	0.162		48	0.408		±167
		2.50	0.786		129	0.87		22	0.194		45	0.461		±171
		3.00	0.793		118	0.75		12	0.229		40	0.498		±177
		3.50	0.803		108	0.65		4	0.262		35	0.530		177
		4.00	0.812		100	0.58		±2	0.294		30	0.563		169
		4.50	0.811		91	0.53		±7	0.328		24	0.587		162
		5.00	0.816		83	0.50		±11	0.355		18	0.616		154

	50	0.10	0.732		± 141	19.19		112	0.039		36	0.542		±105
		0.20	0.764		± 163	10.33		97	0.045		34	0.44		±136
		0.30	0.771		± 172	7.01		90	0.050		37	0.416		±149
		0.40	0.772		± 177	5.29		84	0.056		40	0.408		±156
		0.50	0.768		178	4.26		81	0.062		44	0.392		±162
		0.60	0.768		174	3.57		77	0.069		47	0.392		±165
		0.70	0.769		171	3.08		74	0.076		49	0.393		±167
		0.80	0.770		168	2.71		70	0.083		50	0.395		±169
		0.90	0.769		166	2.42		67	0.090		51	0.396		±170
		1.00	0.769		163	2.19		64	0.098		51	0.399		±172
		1.50	0.769		151	1.51		50	0.135		51	0.414		±176
		2.00	0.771		139	1.17		37	0.171		48	0.434		±180
		2.50	0.778		128	0.96		26	0.204		44	0.467		178
		3.00	0.783		118	0.83		16	0.237		39	0.487		173
		3.50	0.792		108	0.73		7	0.268		33	0.506		168
		4.00	0.802		100	0.66		0	0.297		28	0.53		162
		4.50	0.800		91	0.60		±6	0.328		22	0.546		156
		5.00	0.808		83	0.56		±12	0.353		16	0.572		149

	75	0.10	0.738		± 145	19.35		110	0.036		35	0.54		±112
		0.20	0.769		± 165	10.31		96	0.042		35	0.458		±142
		0.30	0.774		± 173	6.98		89	0.048		39	0.44		±153
		0.40	0.776		± 178	5.26		84	0.054		43	0.434		±160
		0.50	0.772		177	4.24		81	0.061		47	0.42		±166
		0.60	0.772		173	3.55		77	0.068		49	0.42		±169
		0.70	0.773		170	3.06		74	0.076		51	0.421		±171
		0.80	0.773		168	2.69		71	0.084		52	0.422		±172
		0.90	0.772		165	2.41		67	0.091		53	0.423		±174
		1.00	0.772		162	2.18		65	0.099		53	0.426		±175
		1.50	0.771		150	1.50		50	0.138		52	0.436		±180
		2.00	0.772		139	1.17		38	0.175		48	0.451		176
		2.50	0.778		128	0.96		27	0.208		44	0.478		174
		3.00	0.783		117	0.83		17	0.241		38	0.493		169
		3.50	0.790		108	0.74		8	0.271		33	0.507		165
		4.00	0.800		99	0.67		1	0.299		27	0.526		158
		4.50	0.798		91	0.62		±5	0.329		21	0.538		153
		5.00	0.806		83	0.57		±11	0.353		15	0.561		147

Table 2. Common Emitter S±Parameters

MOTOROLA RF DEVICE DATA	MRF5811LT1
	5

Источник: https://studfile.net/preview/16503482/

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