GT Microwave - Pin Diode Switches

Part Numbering for REFLECTIVE and ABSORPTIVE pin diode SWITCHES

REFLECTIVE MODELS			ABSORPTIVE MODELS
CODE	CONTROL	ISOLATION	CODE	CONTROL	ISOLATION
A	TTL DRIVER	> 30 dB	L	TTL DRIVER	> 30 dB
B		> 45 dB	M		> 45 dB
C		> 60 dB	N		> 60 dB
D		> 80 dB	P		> 80 dB
E	NO DRIVER	> 30 dB	R	NO DRIVER	> 30 dB
F		> 45 dB	T		> 45 dB
G		> 60 dB	W		> 60 dB
H		> 80 dB	X		> 80 dB

SUFFIX DESIGNATOR
CODE	DESCRIPTION
	IF REQUIRED; THE FACTORY MAY ASSIGN A UNIQUE MODEL IDENTIFIER.

CODE	TYPE
0	DPDT
1	SP1T
2	SP2T
3	SP3T
4	SP4T
5	SP5T
6	SP6T
7	SP7T
8	SP8T
9	SPMT

CODE	CENTER FREQUENCY
0	Classified Frequency
1	300 MHz - VHF
2	1 GHz - UHF
3	2 GHz - L
4	4 GHz - S
5	8 GHz - C
6	12.4 GHz - X
7	18 GHz - Ku
8	> 18 GHz - K

CODE	BANDWIDTH
0	5 %
1	10 %
2	20 %
3	30 %
4	40 %
5	50 %
6	> 50 %
7	C.W. FREQ
8	Octave
9	Multioctave

CODE	SWITCH SPEED
0	Custom Logic
1	<1 Usec
2	<100 Nsec
3	<30 nSEC

fc = fh+fl
2
bw = (fh-fl)100
2

G.T.Microwave, Inc. part numbers are composed by selecting the codes for TYPE and MODEL, then calculating CENTER FREQUENCY and BANDWIDTH to obtain the codes and finally electing the code for SWITCHING SPEED. If required, the factory may assign a unique model identifier. Use the examples to the right or consult a factory representative.

Switch, SP2T, Absorptive with 60 dB Isolation, Frequency range 2-4 GHz and 100 nSEC switching speed with TTL driver

S2N – 48 -2

Switch, SP8T, Absorptive with 80 dB Isolation, Frequency range 2-18 GHz and 30 nSEC switching speed with TTL driver

S8P-69-3

Environmental Ratings for PIN diode SWITCHES

Exposure	MIL-STD-202	Test Condition
Altitude	METHOD 105C	C
Humidity	METHOD 106E
Thermal Shock	METHOD 107D	A
Life Test	METHOD 108A	D

Exposure	MIL-STD-202	Test Condition
Sine Vibration	METHOD 204d	D
Random Vibration	METHOD 214	11D 15 min/axis
Mechanical Shock	METHOD 213B	G
Terminal Strength	METHOD 211A	A, 2 Ibs

Life Time Integrity: G.T.Microwave Devices are designed to meet MIL-E-16400, Range 1 and MIL-E-5400, Class 2 environments. Operating temperature range: -55° to +85° C. MIL-STD-883 screening and hermetic sealing are available.

For higher environmental levels; consult factory:
G.T. Microwave Inc. 1-973-361-5700 fax: 1-973-361-5722

Switches PIN DIODE SWITCHES