DOUBLE-BALANCED MIXERS M-8 Features LO/RF. to 8. GHz IF DC to. GHz 7. db Typical Conversion Loss Ultra-Broadband RF, LO, and IF Electrical Specifications - Specifications guaranteed from - to + C, measured in a -Ohm system. Parameter LO RF IF Min Typ Max Diode Option (GHz) (GHz) (GHz) LO drive level (dbm) Conversion Loss (db).-8..-8. DC-. 7.. Isolation (db) LO-RF.-8..-8. See LO-IF.-8..-8. Plots RF-IF.-8..-8. Input db Compression (dbm).-8..-8. +4 L (+ to +3) Input Two-Tone Third Order Intercept Point (dbm).-8..-8. See Plot L (+ to +3) Part Number Options Please specify diode level and package style by adding to model number. Package Styles Examples Connectorized QP M-8LQP, M-8LCQG- Microstrip,,3 Q M-8 L CQG - Surface Mount,,4 CQG (RoHS) (Model) (Diode Option) (Package) (I-Port Configuration) Connectorized test fixtures available for most carrier and surface mount packages. Consult factory. For non-connectorized packages, specify I-port configuration by adding or suffix to model number. Default is configuration when not specified. Marki Microwave reserves the right to make changes to the product(s) or information contained herein without notice. Marki Microwave makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Marki Microwave assume any liability whatsoever arising out of the use of or application of any product. Vineyard Court, Morgan Hill, CA 937 Ph: 48.778.4 Fax 48.778.43 info@markimicrowave.com
DOUBLE-BALANCED MIXERS M-8 Page LO/RF. to 8. GHz IF DC to. GHz Typical Performance - -7-9 - -3 - -7-9 - -3 - Low-End RF Conversion Loss (db) -4 9 - -7-9 - -3 - -7-9 - -3 - Conversion Loss (db) -4 +3 dbm LO + dbm LO +7 dbm LO RF Frequency (MHz) Relative IF Response (db) Input IP3 (dbm) - - -3-4 - -6... 3 +3 dbm LO + dbm LO IF Frequency (GHz) 8 RF VSWR 8 LO VSWR 7 6 +3 dbm LO + dbm LO +7 dbm LO 7 6 4 4 3 3 LO Frequency (GHz) 6 IF VSWR RF to IF Isolation (db) - 4 3 - -3-4 -... 3-6 IF Frequency (MHz)
DOUBLE-BALANCED MIXERS M-8 Page 3 LO/RF. to 8. GHz IF DC to. GHz Typical Performance LO to RF Isolation (db) LO to IF Isolation (db) - - - - -3-3 -4-4 - - -6-6 LO Frequency (GHz) LO Frequency (GHz) LO Even Harmonic to RF Isolation (db) LO Even Harmonic to IF Isolation (db) - - - - -3-4 - -3-4 - xlo to IF 4xLO to IF -6-7 -8 xlo to RF 4xLO to RF -6-7 -8 LO Odd Harmonic to RF Isolation (db) LO Odd Harmonic to IF Isolation (db) - - - - -3-4 - 3xLO to RF xlo to RF -3-4 - -6-7 -8-6 -7-8 3xLO to IF xlo to IF
DOUBLE-BALANCED MIXERS M-8 Page 4 LO/RF. to 8. GHz IF DC to. GHz Downconversion Spurious Suppression Spurious data is taken by selecting RF and LO frequencies (+mlo+nrf) within the MHz to 8 GHz RF/LO bands, which create a MHz IF spurious output. The mixer is swept across the full spurious band and the mean is calculated. The numbers shown in the table below are for a - dbm RF input. Spurious suppression is scaled for different RF power levels by (n-), where n is the RF spur order. For example, the RFxLO spur is 6 dbc for a - dbm input, so a - dbm RF input creates a spur that is (-) x (- db) db lower, or 7 dbc. Typical Downconversion Spurious Suppression (dbc): + dbm LO - dbm RF Input xlo xlo xlo 3xLO 4xLO xlo xrf ------------- See LO to IF Isolation and LO Harmonic to IF Isolation Plots (Page 3) xrf Reference 3 3 4 xrf 7 4 6 68 3xRF 7 7 73 9 7 6 4xRF 9 93 88 9 88 xrf 96 3 9 7 96 A sample downconversion spurious sweep is shown below. An LO which is MHz higher than the RF is used to create a MHz reference IF. A second LO is used to create a x spurious IF, also at MHz ( MHz fundamental IF). The difference between these two output levels is the spurious suppression in dbc. The mean value across the full MHz to 8 GHz RF input band is the number shown in the table above. - - -3-4 - -6-7 -8 RF x LO Spurious Suppression (dbc) + dbm LO +3 dbm LO Downconversion RFxLO Spurious Data Example: RF Input: MHz to 8. GHz @ - dbm LO for Reference: MHz to 8. GHz LO for Spurious: 6 MHz to 8. GHz IF Output: MHz RF Input Frequency (GHz)
DOUBLE-BALANCED MIXERS M-8 Page LO/RF. to 8. GHz IF DC to. GHz Upconversion Spurious Suppression Spurious data is taken by mixing a MHz IF with LO frequencies (+mlo+nif) which create an RF within the MHz to 8 GHz RF band. The mixer is swept across the full spurious output band and the mean is calculated. The numbers shown in the table below are for a - dbm IF input. Spurious suppression is scaled for different IF input power levels by (n-), where n is the IF spur order. For example, the IFxLO spur is typically 7 dbc for a - dbm input, so a - dbm IF input creates a spur that is (-) x (- db) db lower, or 67 dbc. Typical Upconversion Spurious Suppression (dbc): + dbm LO - dbm IF Input xlo xlo xlo 3xLO 4xLO xlo xif ------------- See LO to RF Isolation and LO Harmonic to RF Isolation Plots (Page 3) xif 3 Reference 9 3 38 8 xif 63 7 49 6 3 67 3xIF 98 6 64 68 4xIF 3 9 8 94 84 93 xif 3 9 3 87 97 87 A sample upconversion spurious sweep is shown below. A MHz reference IF input is used to create an RF output that is MHz below the LO input (LO-IF=RF). A second LO ( MHz higher) is combined with the same MHz IF input (LO-xIF=RF) to create the same MHz to 8 GHz RF output band. The difference between these two output levels is the spurious suppression in dbc. The mean value across the full RF output band is the number shown in the table above. - - -3-4 - -6-7 -8 IF x LO Spurious Suppression (dbc) + dbm LO +3 dbm LO Upconversion IF x LO Spurious Data Example: RF Output Frequency (GHz) IF Input: MHz @ - dbm LO for Reference: MHz to 8. GHz LO for Spurious: MHz to 8. GHz RF Output: MHz to 8 GHz
DOUBLE-BALANCED MIXERS M-8 Page 6 LO/RF. to 8. GHz IF DC to. GHz Port Description DC Interface Schematic LO The LO port is DC coupled to ground and AC matched to Ohms from MHz to 8 GHz. Blocking capacitor is optional. LO RF The RF port is DC coupled to ground and AC matched to Ohms from MHz to 8 GHz. Blocking capacitor is optional. RF IF The IF port is DC coupled to the diodes. Blocking capacitor is optional. IF Absolute Maximum Ratings RF DC Current LO DC Current IF DC Current RF Power Handling (RF+LO) Operating Temperature Storage Temperature Parameter Amp Amp ma ESD Sensitivity (HBM) Class Maximum Rating +3 dbm at + C, derated linearly to + dbm at + C -ºC to +ºC -6ºC to +ºC DATA SHEET NOTES:. Mixer Conversion Loss Plot IF frequency is MHz.. Mixer Noise Figure typically measures within. db of conversion loss for IF frequencies greater than MHz. 3. Conversion Loss typically degrades less than. db for LO drives db below the lowest and 3 db above highest nominal LO drive levels. 4. Conversion Loss typically degrades less than. db at + C and improves less than. db at - C.. Specifications are subject to change without notice. Contact Marki Microwave for the most recent specifications and data sheets. 6. Catalog mixer circuits are continually improved. Configuration control requires custom mixer model numbers and specifications. Marki Microwave reserves the right to make changes to the product(s) or information contained herein without notice. Marki Microwave makes no warranty, representation, or guarantee regarding the suitability of its products for any particular purpose, nor does Marki Microwave assume any liability whatsoever arising out of the use or application of any product. Marki Microwave, Inc. Vineyard Court, Morgan Hill, CA 937 Ph: 48.778.4 Fax 48.778.43 info@markimicrowave.com www.markimicrowave.com