Microsemi UM2308S, UM2308, UM2306S, UM2306, UM2304S Datasheet

580 Pleasant St. Watertown, MA 02472 PH: [phone] FAX: [phone]

UM2300

SERIES

Features
		PIN DIODE
∙ LF band (100 KHz) PIN
		SWITCH
∙ Long Lifetime (80 μs typ.)
∙ High Power (1 KW CW)	∙High Isolation (35 dB)
∙ Low Loss (0.2 dB)	∙Very Low Distortion (IP3 = > 60 dBm)
∙ Voltage Ratings to 1000 V

Description

UM2300 Series PIN diodes are designed for transmit /

TYPICAL CAPACITANCE vs REVERSE VOLTAGE

130

receive switch and attenuator application in LF band

120

110

100 KHz

( 100 KHz ) and above. As series configured switches,

100

these long lifetime (80 μS typ) diodes can control up to

90

200 KHz

2.5 KW CW in a 50 ohm system. In MF band, insertion

(pF)

80

70

loss is less than 0.2 dB

and isolation is greater than

400 KHz

Ct

60

35 dB (‘off ’state).

50

40

1 MHz

30

The UM2300 series offers the lowest distortion perform-

20

2 MHz

ance in both transmit & receive modes. Less than 10

10

4 MHz

0

mA forward bias is required to obtain an IP3 of 60 dBm

0

20

40

60

80

100

120

140

160

180

200

at 150 KHz with 1 watt per tone. The forward biased

Vr (VOLTS)

resistance/reactance vs. frequency characteristics are

flat down to 10 KHz. Capacitance vs. reverse bias volt-

Voltage Ratings (25°C)

age characteristic is flat down to 1 MHz.

In attenuator configurations, the UM2300

produces

Reverse Voltage ( VR )

DEVICE

@ IR = 10 μA

extremely low distortion

at low values of

attenuator

control current, & very low insertion loss

( 0.2 dB) in

100

VOLTS............ UM2301

the ‘0 dB ’ attenuator state.

200

VOLTS............ UM2302

400

VOLTS............ UM2304

600

VOLTS............ UM2306

Electrical Specifications (25°C)

800

VOLTS............ UM2308

1000

VOLTS............ UM2310

Test

Min.

Typ.

Max.

Units

Conditions

Diode Resistance RS

0.3

0.4

Ω

F1 = 1 MHz,

100 mA

Capacitance CT

15

20

pF

F2 = 1 MHz,

100 V

Reverse Current IR

10

μA

@ Rated Voltage

Carrier Lifetime τ

60

80

μs

If = 10 mA / 100 V

IP3

50

60

dBm

2 WATT total,

If = 25 mA

F1 = 0.999 MHz, F2 = 1.001 MHz

1.0 WATT/ tone

Thermal Resistance

1.0

°C / W

25°C Stud Temperature

MSCOXXXA 12-14-98

DSW UM2300 <->(34989)

				TYPICAL I-V CURVE
	102
	101
	100									150 oC
										125 oC
If [AMPERES]	10-1									100 oC
										75 oC
	10-2									50 oC
										25 oC
	10-3
	10-4
	10-5
	10-6	0.2	0.4	0.6	0.8	1.0	1.2	1.4	1.6	1.8	2.0	2.2
	0.0

Vf [VOLTS]

TYPICAL RS vs FORWARD BIAS CURRENT

	1000
	100
(Ohms)	10
Rs
	1
	.1

.01

.1

1

10

100

If (mA)

UM2300

SERIES

TYPICAL IR vs VR

	10-2							150 oC
	10-3							125 oC
								100 oC
(MEAN)	10-4							75 oC
								50 oC
	10	-5						25 oC
IR (A)
	10-6
	10-7
	10-8		100	200	300	400	500	600	700	800	900	1000
		0
						VR (Volts)

TYPICAL Rp vs REVERSE VOLTAGE

	109
			10KHz
	108		20KHz
			40KHz
	107		100KHz
(OHMS)	106		200KHz
			400KHz
Rp	105		1MHz
			2MHz
	104		4MHz
			10MHz
	103
	100	101	102
		REVERSE VOLTAGE (VOLTS)

MSCOXXXA 12-14-98

DSW UM2300 <->(34989)