for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 3 - 4 dielectric resonator oscillator 3 dielectric resonator oscillator module, 8.0 - 8.3 ghz v00.0509 general description features functional diagram the HMC-C200 is a high performance dielectric resonator oscillator (dro) that incorporates hittites ultra-low phase noise technology and provides -124 dbc/hz ssb phase noise at 10 khz offset. the output buffer also provides 14.5 dbm of output power. internal temperature compensation allows this dro to operate over a temperature range of -40c to + 85c with a frequency drift of only 2ppm/c. the vtune port accepts an analog tuning voltage from +7 to +12v and provides a range of 1 mhz from the center frequency. the dro is packaged in a small, moisture sealed 1.5x1.5 (36 x 36 mm) module with a eld replaceable sma connector. the HMC-C200 can be used as a drop-in module if the sma connector is not used. customizable tuning frequency: 8.0 - 8.3 ghz low ssb phase noise: -124 dbc/hz @ 10 khz offset single positive supply: +6 to +15v @ 125 ma internal voltage regulator internal buffer ampli er high output power: +14.5 dbm -40c to + 85c operating temperature typical applications the HMC-C200 dro module is ideal for: ? test & measurement equipment ? lab instrumentation ? industrial / medical equipment ? military / ew / ecm / communications electrical speci cations, t a = +25 c, frequency = 8.2 ghz, vdc = +6.5v parameter min. typ. max. units frequency range 8.0 8.2 8.3 ghz frequency accuracy 250 khz power output, center frequency 13 14.5 dbm ssb phase noise @ 1 khz offset, center frequency -95 dbc/hz ssb phase noise @ 10 khz offset, center frequency -120 -124 dbc/hz ssb phase noise @ 100 khz offset, center frequency -140 dbc/hz ssb phase noise @ 1 mhz offset, center frequency -150 dbc/hz HMC-C200 ordering instructions each HMC-C200 dro requires tuning to a speci c frequency in the 8.0 - 8.3 ghz range. to order an HMC-C200, this frequency must be speci ed at the time of purchase. hittite guarantees a 250 khz range around this target upon delivery. in the case of classi ed or proprietary frequencies, an HMC-C200 can be ordered with a target frequency close to the desired frequency without communicating sensitive information. a tuning screw is provided that can adjust the center frequency by approximately 20 mhz from the target. please refer to the application instructions for more details. for example, when ordering an HMC-C200 centered at 8.200 ghz, specify HMC-C200-8200.
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 3 - 5 dielectric resonator oscillator 3 phase noise vs. temperature @ 8.2 ghz output power vs. temperature @ 8.2 ghz vdc current vs. temperature @ 8.2 ghz output frequency vs. temperature HMC-C200 v00.0509 dielectric resonator oscillator module, 8.0 - 8.3 ghz parameter min. typ. max. units tune voltage (vt) 7 9 12 v electric tuning range 1 mhz 2nd harmonic (2fo) -28 dbc 3rd harmonic (3fo) -35 dbc frequency pushing 5khz/v frequency pulling (into 2.0:1 vswr) 5 khz pp output return loss 12 db frequency drift rate (temperature) 2 ppm/c voltage supply (vdc) 6 15 v supply current 125 ma frequency drift vs. time @ 25c 1ppm/year electrical speci cations (continued) -180 -160 -140 -120 -100 -80 -60 -40 -20 0 10 2 10 3 10 4 10 5 10 6 + 25 c - 40 c + 85 c ssb phase noise (dbc/hz) offset frequency (hz) 10 12 14 16 18 20 -60 -40 -20 0 20 40 60 80 100 output power (dbm) temperature (c) 0 40 80 120 160 200 -60 -40 -20 0 20 40 60 80 100 dc current (ma) temperature (c) 8.1990 8.1995 8.2000 8.2005 8.201 -60 -40 -20 0 20 40 60 80 100 frequency (ghz) temperature (c)
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 3 - 6 dielectric resonator oscillator 3 HMC-C200 v00.0509 dielectric resonator oscillator module, 8.0 - 8.3 ghz vibration sensitivity frequency & power vs. tuning voltage absolute maximum ratings vdc 0 vdc to +15 vdc vt 0 to +15v storage temperature -65 to +150 c operating temperature -40 to +85 c pin number function description interface schematic sma rfout rf output (ac coupled) uses a female sma connector. 2 gnd must be connected to power supply ground. 3 vdc supply voltage vdc = +6v to +15v. 1vt control voltage and modulation input uses a female sma connector. modulation bandwidth dependent on drive source impedance. pin descriptions 8.198 8.199 8.200 8.201 8.202 5 10 15 5791113 frequency (ghz) output power (dbm) vt (v) 10 -10 10 -9 10 -8 10 -7 10 -6 10 2 10 3 10 4 x - axis (perpendicular to connectors) y - axis (parallel to connectors) z - axis g - sensitivity (g 2 /hz) offset frequency (hz)
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 3 - 7 dielectric resonator oscillator 3 outline drawing notes: 1. package, cover material: aluminum. 2. finish: gold plate over nickel plate. 3. mounting spacer: nickel plated aluminum. 4. all dimensions are in inches [millimeters]. 5. tolerances: unless otherwise specified 5.1 .xx = `.02 [.51] 5.2 .xxx = `.010 [.25] 6. mark label per part no. 124587 as shown. package information package type c-18 HMC-C200 v00.0509 dielectric resonator oscillator module, 8.0 - 8.3 ghz
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 3 - 8 dielectric resonator oscillator 3 dro customer tuning procedure: 1. connect the rf output to a spectrum analyzer and adjust the mechanical tuner to set the output frequency to within 1 mhz of the desired value. 2. set up the spectrum analyzer settings for a 10 mhz span centered on the desired output frequency. change the reference value of the spectrum analyzer to be about 15 dbm and change the vertical scale to be 1db / division such that the peak oscillation frequency is visible on the screen. 3. use the tune voltage to maximize the output power and note the frequency. note: the tune voltage should never be adjusted higher than 15v . 4. if the frequency is meeting the new requirement and the output power is greater than 12 dbm, then the tuning procedure is complete. if the frequency is not meeting the requirement then carefully readjust the mechanical tuner and tune voltage until the output frequency is within the required range. warnings: 1. the tune voltage only sustains oscillation over a fairly narrow range (approximately 1 mhz) before output power, temperature stability and phase noise performance start to suffer. in some cases it is possible for the tune voltage to be adjusted to the point where oscillation stops. therefore the mechanical tuner should be used as a coarse tune and the tune voltage is effectively a ne tune. in pll applications where the tune voltage is used within the loop, this limited voltage range must be considered during the design of the loop. a limiting circuit must be used to prevent the loop from becoming unstable. 2. if the output power is less than 12 dbm then the dro may be at the correct frequency but the phase noise performance and the stability over temperature may both have been degraded. it is therefore recommended that the customer verify phase noise and stability after custom tuning. application instructions fixed output frequency application HMC-C200 v00.0509 dielectric resonator oscillator module, 8.0 - 8.3 ghz
for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order online at www.hittite.com 3 - 9 dielectric resonator oscillator 3 phase locked application HMC-C200 v00.0509 dielectric resonator oscillator module, 8.0 - 8.3 ghz
|
