5305 spectrum drive, frederick, md 21703-7362 tel: 301-846-9222, 800-638-2048 fax: 301-846-9116 web: www.aeroflex-weinschel.com email: weinschel-sales@aeroflex.com 112 revision date: 11/28/07 programmable attenuators model 150 dc to 18.0 ghz model 151 dc to 4.0 ghz model 152 dc to 26.5 ghz relay switched programmable attenuators description the model 150, 151 and 152 programmable step attenuators represent the widest variety of programmable attenuators available. this attenuator design is the result of an extensive development program and offers long reliable operation with exceptional accuracy and repeatability. these attenuators can provide programmable adjustments of rf signal levels in precise steps of 1 db, 5 db, 10 db, or with custom steps available. each attenuator consists of a cascaded assembly of switched attenuator cells (figure 1). the attenuator elements located in the attenuator cell are created by a thin-film process which provides excep- tional long-term stability, low power and tempera- ture coefficients. this series uses a reed switch- ing structure that provides rapid switching together with low insertion loss. other features include: o broadband frequency coverage o high accuracy and repeatability o long life, 5 million cycles per cell o 3, 4, and 5 cell configurations programmability: in each programmable step attenuator, solenoids are used to switch the internal resistor card of each cell into and out of the circuit. once the cell is switched, the solenoid is magnetically latched into position and is able to withstand extreme shock and vibration. internal circuitry is included to interrupt the coil current after switching is complete. this reduces power dissipation even if power is continuously applied. the switching time for each cell is rated at 20 msec maximum which includes the con- tact settling time. broadband accuracy & low swr: the use of aeroflex / weinschel's proprietary thin-film resistor process provides these programmable step attenuators with a high degree of accuracy and the lowest possible swr uncer- tainty (refer to specifications for actual values). this thin film process permits the construction of circuits which are truly distributed and without stray reactances, even at the higher microwave frequencies. reliability: each programmable step attenuator is composed of 3 to 5 (4 in most models) cells. as with all mechanical designs, usable life becomes a primary concern to the user. with this in mind aeroflex / weinschel backs all these attenuators with a rated switch life of 5 million operations per cell. standardized testing is also performed on each programmable step attenuator over its operating frequency range by a computer controlled aeroflex / weinschel attenuation measurement system which is traceable to nist standards. environmental: these model 150 programmable step attenuators have undergone an extensive environmental qualification program and have been subjected to temperature, shock, vibration, and humidity conditions per mil-std-202f. these programmable step attenuators operate within these specifications at an ambient temperature of -20 to +75c. operating beyond these limits will adversely affect the accuracy and could damage the internal circuitry. for additional information on the 150 series, visit our website @ www.aeroflex-weinschel.com/programmables.htm figure 1. cell schematic rohs
113 5305 spectrum drive, frederick, md 21703-7362 tel: 301-846-9222, 800-638-2048 fax: 301-846-9116 web: www.aeroflex-weinschel.com email: weinschel-sales@aeroflex.com revision date: 11/28/07 programmable attenuators voltage model(s) + 24 v with 150-xx, 151-xx, 152-xx, viking connector 152a-xx + 24 v with 150-xx-1, 151-xx-1, 152-xx-1 ribbon cable 152a-xx-1 + 5 v with 150-xx-2, 151-xx-2, 152-xx-2 viking connector 152a-xx-2 + 5 v with 150-xx-3, 151-xx-3, 152-xx-3 ribbon cable 152a-xx-3 cell 1 cell 2 cell 3 cell 4 cell 5 attn cells attn attn attn attn attn power value no. bypass element bypass element bypass element bypass element bypass element +vdc 11 db 4 0 db 1 db 0 db 4 db 0 db 2 db 0 db 4 db - - - - - - 15 db 4 0 db 1 db 0 db 8 db 0 db 2 db 0 db 4 db - - - - - - 31 db 5 0 db 1 db 0 db 8 db 0 db 2 db 0 db 16 db 0 db 4 db 55 db 4 0 db 5 db 0 db 10 db 0 db 20 db 0 db 20 db - - - - - - 70 db 4 0 db 10 db 0 db 20 db 0 db 20 db 0 db 20 db - - - - - - 3 0 db 10 db 0 db 40 db 0 db 20 db - - - - - - - - - - - - 75 db 4 0 db 5 db 0 db 40 db 0 db 20 db 0 db 10 db - - - - - - 90 db 4 0 db 10 db 0 db 30 db 0 db 20 db 0 db 30 db - - - - - - 110 db 4 0 db 10 db 0 db 40 db 0 db 20 db 0 db 40 db - - - - - - round pin # 5 6 9 10 7 8 11 12 3 4 1 conn. 3 & 4 cell wire violet yellow orange blue black green brown white - - - - - - red 5 cell color black white green orange blue wht/blk red/blk grn/blk orn/blk blu/blk red ribbon pin# 13 2 3 9 11 5 4 10 8 7 6 cable wire orange yellow blue brown purple black gray white orange yellow red conn. color table provides standard attenuation ranges, increments, and cell configurations for all aeroflex / weinschel programmable step attenuators (models 150, 151, 152, & 152a) 150 series cell configurations... specifications nominal impedance: 50 frequency range: model 151: dc to 4 ghz model 150: dc to 18 ghz model 152: dc to 26.5 ghz operational voltage: + 24v nominal (+20v mini- mum to +30v maximum) or +5v nominal (+4v minimum* to +7v maximum) *minimum operating voltage derated to +4.25 v @ 55c and further derated to +4.5 v @ 75c power rating: 1 watt average, 100 watts peak (5 sec pulse width; 0.5% duty cycle) temperature: -20 to +75c operating -55 to +85c nonoperating temperature coefficient: < 0.0001 db/db/c power sensitivity: < 0.001 db/db/ watt rated switch life: 5 million cycles per cell rf input connectors: rugged female 3.5 mm connectors which mate nondestructively with sma male connectors per mil-std-39012. control connector: 12 pin viking tnp12-101 connector with 5' cable or 14 conductor 16" ribbon cable with connector (shown below): switching time: 20 msec (includes settling time) cycling rate: 4 hz max per relay control pulse width: 20 msec (minimum) switching current: 125 ma @ +24v per cell 300 ma @ +5v per cell repeatability: + 0.1 db typical per cell vibration: mil-std-202f, method 204d cond b altitude: mil-std-202f, method 105c cond b, 50,000 ft. shock: mil-std -202f, method 213b cond b, except 10g, 6 msec humidity: mil-std-202f, method 103b, cond. b (96 hrs. @ 95%, rh) emc: radiated interference is within the requirements of mil-std-461 method re02, vde 0871 and cispr publication ii. weight: 5 cell 350 g (12 oz) 4 cell 290 g (9.0 oz) 3 cell 230 g (8.0 oz) voltage/connector options: ribbon cable models round (viking)cable models
fre qu ency atten ua tion s etting (db) ra nge (ghz) 5 1015 2025 3 0 3 5404550 55 dc-4 0.2 0. 3 0.4 0.4 0.4 0.6 0.6 0.7 0.7 0. 8 1.0 4-12.4 0. 3 0.40.5 0.50.50.7 0. 8 0.9 0.9 1.0 1. 3 12.4-1 8 0.4 0.4 0.5 0.5 0.5 0. 8 1.0 1.1 1.1 1.2 1.6 1 8 -26.5 0.5 0.5 0.6 0.6 0.6 0.9 1.2 1.4 1.4 1.5 2.0 model 152-55: frequ ency atten ua tion s etting (db) r a nge (ghz) 1 2 3 456 7 8 9 1011121 3 14 15 dc-4 0.2 0.2 0. 3 0. 3 0. 3 0. 3 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5 4-12.4 0. 3 0. 3 0.4 0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.7 0.7 0.7 0.7 0.7 12.4-18 0.5 0.6 0.6 0.6 0.6 0.7 0.7 0.7 0.7 0. 8 0. 8 0. 8 0. 8 0. 8 0. 8 1 8 -26.5 0.5 0.6 0.7 0. 8 0.9 0.9 0.9 1.0 1.1 1.1 1.1 1.1 1.1 1.1 1.1 model 150/151/152-11 & 150/151/152-15: fre quency atten ua tion s etting (db) r a nge (ghz) 5 10 15 20 25 3 0 3 5404550 55 60 65 70 75 dc-4 0.2 0.2 0.4 0.4 0.5 0.5 0.7 0.7 0.9 0.9 1.1 1.1 1.2 1.2 1.4 4-12.4 0. 3 0. 3 0.6 0.6 0.9 0.9 1.2 1.2 1.5 1.5 1. 8 1. 8 2.1 2.1 2.1 12.4-18 0.4 0.4 0. 8 0. 8 1.2 1.2 1.6 1.6 2.0 2.0 2.4 2.4 2. 8 2. 8 2. 8 model 150/151-75: fre qu ency atten ua tion s etting (db) ra nge (ghz) 10 20 3 0 405060 70 8 090 dc-4 0. 3 0.50.6 0.70. 8 1.0 1.1 1.1 1.2 4-12.4 0.4 0.5 0.7 0.9 1.0 1. 3 1.5 1.6 1.7 12.4-1 8 0.5 0.6 0. 8 1.1 1.2 1.4 1.7 1. 8 2.1 1 8 -26.5 0.5 0.6 0.9 1.4 1.5 1. 8 2. 3 2.4 2. 8 model 152-70 & 152-90: fre qu ency attenua tion s etting (db) ra nge (ghz) 10 20 3 0 405060 70 8 090100110 dc-4 0.2 0. 3 0.5 0.7 0.9 1.0 1.2 1.4 1.6 1.7 1.9 4-12.4 0.4 0.7 0.9 1.2 1.5 1. 8 2.1 2.4 2.7 3 .0 3 .0 12.4-1 8 0.4 0. 8 1.2 1.6 2.0 2.4 2. 83 .2 3 .6 4.0 4.0 1 8 -26.5 0.6 0.7 0.9 1.5 1.6 2.2 2.9 --- --- --- --- model 150/151-70, 150/151-110, 152a-70: fre qu ency atten ua tion s etting ( db) r a nge (ghz) 1 2 3 456 7 8 9 1011121 3 14 15 16 dc-4 0.2 0.2 0. 3 0. 3 0. 3 0. 3 0.4 0.4 0.5 0.4 0.5 0.5 0.5 0.5 0.5 0.5 4-12.4 0. 3 0. 3 0.4 0.4 0.5 0.5 0.6 0.6 0.7 0.6 0.7 0.7 0.7 0.7 0.7 0.7 12.4-1 8 0.5 0.5 0.6 0.6 0.6 0.6 0.7 0.7 0. 8 0. 8 0. 8 0. 8 0. 8 0. 8 0. 8 model 150/151- 3 1: fre qu ency atten ua tion s etting (db) r a ng (ghz) 17 1 8 19 20 21 22 2 3 24 25 26 27 2 8 29 3 0 3 1 dc-4 0.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0. 8 0. 8 4-12.4 0. 8 0. 8 0.9 0.9 0.9 0.9 0.9 0.9 1.1 1.0 1.0 1.0 1.0 1.1 1.1 12.4-1 8 0.9 0.9 1.0 1.0 1.0 1.0 1.1 1.1 1.2 1.2 1.2 1.2 1.2 1. 3 1. 3 0. 8 5305 spectrum drive, frederick, md 21703-7362 tel: 301-846-9222, 800-638-2048 fax: 301-846-9116 web: www.aeroflex-weinschel.com email: weinschel-sales@aeroflex.com 114 revision date: 11/28/07 programmable attenuators maximum swr (50 characteristic impedance): frequency (ghz) applicable models dc-4 4-18 18-26.5 151-11, 151-15, 151-31, 1.50 - - - - - - 151-75, 151-110 150-11, 150-15, 150-31, 1.50 1.90 - - - 150-75, 150-110 151-70 (3 cell) 1.35 - - - - - - 150-70 (3 cell) 1.35 1.70 - - - 152a-70 (3 cell) 1.40 1.70 1.80 152-55, 152-70, 152-90 1.40 1.60 1.90 attenuation accuracy (+ db with respect to 0 db reference): maximum insertion loss (db): frequency (ghz) applicable models dc-4 4-18 18-26.5 151-11, 151-15, 151-75, 151-110 0.90 - - - - - - 150-11, 150-15, 150-75, 150-110 0.90 2.20 - - - 151-31 (5 cell) 1.10 - - - - - - 150-31 (5 cell) 1.10 2.60* - - - 151-70 (3 cell) 0.70 - - - - - - 150-70 (3 cell) 0.70 1.60 - - - 152a-70 (3 cell) 0.90 2.00 2.98 152-55, 152-70, 152-90 0.90 2.00 2.98 *4-12.4 is 1.80, 12.4-18 is 2.60
115 5305 spectrum drive, frederick, md 21703-7362 tel: 301-846-9222, 800-638-2048 fax: 301-846-9116 web: www.aeroflex-weinschel.com email: weinschel-sales@aeroflex.com revision date: 11/28/07 programmable attenuators physical dimensions: models 150, 151, & 152: dim a b c 3 cell 82.3 (3.28) 76.2 (3.0) 104.6 (4.12) 4 cell 110.7 (4.36) 103.7 (4.08) 133.6 (5.25) 5 cell 136.1 (5.36) 129.1 (5.08) 159.5 (6.28) note: 1. all dimensions are given in mm (inches) and are maximum, unless otherwise specified. 2. unit available with rohs compliant materials, specify when ordering.
5305 spectrum drive, frederick, md 21703-7362 tel: 301-846-9222, 800-638-2048 fax: 301-846-9116 web: www.aeroflex-weinschel.com email: weinschel-sales@aeroflex.com 116 revision date: 11/28/07 programmable attenuators frequency range/ no. attenuator range/step size voltage/connector cells 11/1 db 15/1 db 55/5 db 31/1 db 70/10 db 75/5 db 90/10 db 110/10 db dc-4 ghz/+24 v/ 4 151-11 na n/a 151-75 n/a 151-110 viking connector 3 n/a 5 151-31 dc-18 ghz/+24 v/ 4 150-11 150-15 n/a 150-75 n/a 150-110 viking connector 3 150-70 5 150-31 dc-26.5 ghz/+24 v/ 4 n/a n/a 152-55 n/a n/a 152-90 n/a viking connector 3 dc-4 ghz/+24 v/ 4 151-11-1 na n/a 151-75-1 n/a 151-110-1 ribbon cable 3 n/a 5 151-31-1 dc-18 ghz/+24 v/ 4 150-11-1 150-15-1 n/a n/a n/a 150-110-1 ribbon cable 3 150-70-1 5 150-31-1 dc-26.5 ghz/+24 v/ 4 n/a n/a 152-55-1 n/a n/a n/a 152-90-1 n/a ribbon cable 3 dc-4 ghz/+5 v/ 4 151-11-2 151-15-2 n/a 151-75-2 n/a 151-110-2 viking connector 3 n/a 5 151-31-2 dc-18 ghz/+5 v/ 4 150-11-2 150-15-2 n/a 150-75-2 n/a 150-110-2 viking connector 3 150-70-2 5 150-31-2 dc-26.5 ghz/+5 v/ 4 n/a n/a 152-55-2 n/a n/a 152-90-2 n/a viking connector 3 n/a dc-4 ghz/+5 v/ 4 151-11-3 n/a n/a n/a n/a n/a ribbon cable 3 n/a 5 151-31-3 dc-18 ghz/+5 v/ 4 150-11-3 150-15-3 n/a 150-75-3 n/a 150-110-3 ribbon cable 3 150-70-3 5 150-31-3 dc-26.5 ghz/+5 v/ 4 n/a n/a 152-55-3 n/a n/a 152-90-3 n/a ribbon cable 3 n/a n/a = not available 150 series ordering guide... optional test data: test data is available at an addi- tional cost for all programmable step attenuators models. standard test date is sweep measurements which magitude and vswr for each primary cell'. models with built-in ttl/cmos interface\ driver circuit: aeroflex / weinschel offers versions of the 150 series with built-in ttl/cmos interfaces. this gen- eration of intelligent attenuators will greatly simplify as well as provide an economical solution to 150 series driver prob- lems. refer to model 150t, 151t, and 152t data sheet for more information. accessories
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